Satish C. Sharma's research while affiliated with Indian Institute of Technology Patna and other places

Publications (102)

Article
Recent tribology research has primarily focused on leveraging engineered grooved surfaces to enhance the lubrication performance of tribo-contacts. The performance of fluid film bearings may be improved by using a properly designed micro-groove on the surface of bearing. This paper deals with the performance of micro-grooved hole-entry hybrid spher...
Article
In this paper, a dynamic model with 13 degrees of freedom is developed with the dynamic models of air suspension systems to study the performance of high-speed passenger vehicles’ suspension systems in a deflated state. Sperling's ride index method is used to assess the influence of vibration on ride comfort and quality. This study focuses on the m...
Article
This article concerns with the numerical simulations of textured surface hybrid thrust bearings operating with Electro-rheological (ER) lubricant. An ER fluid comprises dielectric particles suspended in an insulating viscous medium. Electrorheological (ER) lubricants are considered smart lubricants. Reynold's equation is used to model the flow of a...
Article
This article deals with the steady and dynamic performance analysis of rough surface circular and multi-lobe journal bearings operating with non-Newtonian lubricant in turbulent regimes. The numerical solution of Reynold's equation was obtained using the finite element method. To account for surface roughness, the Patir and Cheng model was used, an...
Article
The present study investigates the effects of shear-thinning and piezoviscous lubricant on the behavior of inwardly and outwardly spiral grooved hybrid annular thrust pad bearing configurations. The performance of spiral grooved circular and annular hybrid thrust pad bearing configurations with a capillary restrictor is also compared in this study....
Article
This study concerns with the numerical simulation of a conical porous hybrid journal bearing (CPHJB S) considering the synergistic effect of three-dimensional (3D) surface irregularities and magnetohydrodynamic (MHD) lubricant. The study analyzes the interactive effects of permeability parameter, MHD lubricant behaviour, semi cone angle and 3D surf...
Article
Elastomers are widely used in various engineering applications due to their huge elasticity and good dynamic behavior. One of the elastomeric elements is rubber blocks, which are used in many applications, such as vibration isolators, bumpers, shock absorbers, dampers, etc. In this research, the impact on the ride index due to the deflated state of...
Article
The present work is aimed to numerically analyze the synergistic effect of the geometric shapes of recess and non-linear behavior of the lubricant on 4-pocket hybrid multi-recess spherical journal bearings. Recesses with square, circular, triangular, and elliptical shapes have been investigated. The influence of non-Newtonian lubricant has been con...
Conference Paper
Full-text available
The present work deals with the effects of surface irregularities on the bearing surface. The effect of permeability parameter have been numerically investigated on the performance of porous hybrid plain journal bearing system. The Reynolds equation governing the flow of Newtonian lubricant in the porous bearing clearance space is solved by finite...
Article
Textured bearing surfaces are widely used to reduce the friction in lubricated contacts. Besides the hydrodynamic pressure generated by the physical wedge, micro-textures act as micro-bearings and generates localized pressure. As a result, an additional load carrying capacity is generated. Further, micro-texture also serves as a lubricant reservoir...
Article
This article describes the finite element modeling of a spherical hybrid thrust bearing (SHTB), taking into account the influence of three-dimensional surface irregularities and magnetorheological (MR) lubricant behavior. The rheological behavior of MR lubricant was described using the Herschel–Bulkley model, and the yield shear stress relationship...
Article
Previous lubrication studies concerning the non-recessed hole-entry hybrid spherical journal bearings are mainly carried out without the consideration of surface roughness effects. However, surface topography plays an important role on the tribological performance. In this paper, the combined influence of surface roughness effects and behavior of p...
Article
Fluid film bearings operated with smart lubricants have been successfully used to enhance the lubricating performance. This article proposes a computational model to analyze the influence of magnetorheological lubricant on the performance of an annular recessed hybrid thrust bearing system. The governing modified Reynolds equation for circular thru...
Article
Improving the lubricating performance of tribo-pairs using engineering textured surfaces has been the main focus of tribology research in recent years. The use of a suitably designed micro-texture on the bearing surface may have a beneficial effect on the performance of fluid film bearings. In the present paper, a mathematical model of a hybrid sph...
Article
In recent times, there has been an increasing use of smart fluids in fluid film bearing applications so as to control the bearing performance. A magneto-rheological fluid exhibits excellent characteristics and dynamic controllability. The developed model in the present work examines the non-linear behavior of magneto-rheological fluid on performanc...
Article
In the present work, a numerical simulation model for conical journal bearing system considering roughness features in the analysis is investigated. In present model, non-newtonian behaviour of MR fluid is expressed using Hershel-Bulkley model and an Asymmetrical Sigmoidal function has been used for shear yield stress relation of MR lubricant. Fina...
Article
The behavior of a slot-entry hybrid herringbone-grooved journal-bearing system lubricated with a ferrofluid lubricant has been numerically studied. The modified Reynolds equation of a ferrofluid bearing model based on the Stokes micro-continuum theory has been numerically solved by a finite-element method. A MATLAB code based on the Gauss–Seidel it...
Conference Paper
Full-text available
The objective of the present paper is to numerically study the performance of a porous hybrid journal bearing system (PHJBS) operating under turbulent flow condition. The Reynolds equation governing the flow of Newtonian lubricant in the clearance space of porous journal bearing is solved by finite element method. The turbulent lubrication theory p...
Conference Paper
The present study deals with theoretical investigation on performance characteristics of hybrid conical asymmetric hole-entry journal bearing compensated with capillary restrictor. Finite element approach using Galerkin technique and orthogonality condition has been used in order to tackle the solution complexity of developed mathematical model. Th...
Article
Purpose The porous bearings are commonly used in slider thrust bearings owing to their self-lubricating properties and cost effectiveness as compared to conventional hydrodynamic bearings. The purpose of this paper is to numerically investigate usefulness of porous layer in hydrostatic thrust bearing operating with magnetic fluid. The effect of mag...
Conference Paper
The present paper deals with the theoretical investigation showing the influence of surface waviness on the performance of hole-entry hybrid journal bearing system. The sinusoidal surface waviness has been considered on the bearing inner surface along the axial direction. In the present study, the modified dimensionless Reynolds equation is solved...
Conference Paper
During the manufacturing processes, the surface errors are inevitable, which affects the bearing performance. Thus, consideration of geometric errors in mathematical modelling to have closeness towards real geometric conditions is imperative. The present work analyzes geometric errors in conical hybrid journal bearing, aiming to predict the bearing...
Article
The present work deals with numerical investigation into geometric imperfection (bellmouth, undulation and barrel shape) of the journal on performance of a porous hybrid journal bearing system (PHJBs) operating under turbulent flow condition. The Reynolds equation governing the flow of lubricant in the bearing clearance space is modified by using t...
Article
Full-text available
The use of porous facing/layer in fluid film bearings offers some unique advantages such as self-lubricating properties (acting as lubricant reservoir), compactness, economical over conventional bearing etc. This article presents a numerical simulation of an externally pressurized porous thrust bearing. The collective effect of permeability of poro...
Article
In recent years, the porous bearings are being increasingly used in various industrial applications because they are less noisy, have good precision, and are relatively maintenance free. In this article, the numerical analysis of conical porous hybrid journal bearing system (CPHJBS) has been carried out. The interactive effects of permeability para...
Article
Use of porous materials in fluid film is well established so as to make more uniform distribution of pressure along the journal surface. The work presented in this paper deals with theoretical examination into the effect of worn bearing surface on the behaviour of a hybrid double layer porous journal bearing system (DLPJBS) operating with power-law...
Article
The performances of the tribo-pairs are greatly influenced by introducing the grooved surfaces. Developments of the newer type of lubricants have made a great impact on the performance of fluid film bearings. This article investigates the non-Newtonian behavior of electrorheological lubricant on the performance of grooved hybrid spherical journal b...
Article
The research work undertaken in this article addresses the use of electro-rheological (ER) lubricant for controlling the performance of spherical thrust bearing system. In the present work numerical investigation of a circular recessed spherical thrust bearing system with a capillary restrictor lubricated with ER lubricant has been described. The g...
Article
Surface roughness is inherent to all machining processes. Therefore, even a high precision machining process renders micro-roughness to some extent on the surface of conventional materials. The asperities height of many rough engineering surfaces follows Gaussian distribution. The surface roughness on the bearing surface may significantly affect th...
Article
In recent years, use of textured surfaces has gained lot of momentum for improving the performance of tribo-pairs. This article studies the influence of spherical shape micro-textures on the performance of hole-entry hybrid spherical journal bearing. Different arrangements of micro-textures (i.e., fully texture and partially texture) are used to st...
Article
This study concerns with the numerical simulation of a hybrid slot entry journal bearing lubricated with electrically conducting lubricant under the influence of magnetic field for both thermal and isothermal conditions. The Navier–Stokes equation has been used to formulate the flow of electrically conducting lubricant through slot restrictor and c...
Conference Paper
Full-text available
Commercially available lubricants are often fortified with long chain polymer additives to improve their tribological performance. These additive possess finite size and material orientation which induces non-Newtonian character in the lubricant. These additives undergo micro-motion which cannot be described by classical Newtonian lubrication theor...
Conference Paper
This paper deals with the theoretical investigation of capillary compensated hybrid circular thrust bearing system operating with the ER lubricants. Finite element method has been used to solve the modified Reynolds equation governing the lubricant flow in the bearing clearance space along with restrictor flow equation and the relevant boundary con...
Article
The present work deals with finite element method analysis of a multirecess hybrid spherical journal bearing system. The governing equations have been discretized using Galerkin’s technique and are solved simultaneously using a suitable iterative technique. The effect of span angle on the static and dynamic behavior of a hybrid spherical journal be...
Article
In recent times, controlling the performance of fluid film bearings smartly has become an important area for the fluid film bearing designers. This study deals with the numerical simulation of a magneto-rheological fluid–lubricated two-lobe hybrid slot-entry journal bearing. To make the operating condition more exact and realistic, the influence of...
Article
A numerical simulation is performed to investigate the synergizing influence of surface texture (micro-grooves) and electrically conducting lubricant on static and dynamic performance of hybrid thrust pad bearings operating under transverse magnetic field. Linear momentum and mass conservation equation are solved simultaneously to derive modified R...
Article
Purpose Micro-surface texturing is emerging as a possible way to enhance the tribological performance of hydrodynamic fluid film bearings. In view of this, numerical simulations are carried out to examine the influence of surface texture on performance of hybrid thrust bearing system. This paper aims to determine optimum attributes of micro-grooves...
Article
In recent years extensive use of smart lubricants is made in order to control the tribological performance of fluid film bearings. The grooved surfaces of the journal bearing greatly influence the performance of bearings. In the present work, various geometric shapes of herringbone groove (rectangular, triangular and parabolic) with groove angles (...
Article
Purpose This paper aims to numerically investigate the influence of magnetic field and recess configurations on performance of hydrostatic thrust bearing. Electrically conducting fluid is supplied to bearing, operating in external magnetic field. Influences of recess geometric shapes (circular, rectangular, elliptical and triangular) and restrictor...
Article
To harness higher axial load capacity, a larger cone angle is used in conical bearings, resulting in an increase in the surface area which in turn increases the frictional power loss. The use of microgrooves in journal bearing helps in controlling this loss. Therefore, the present work is aimed to analyze conical hybrid journal bearing (i.e., combi...
Article
The present study deals with numerical simulation of textured hybrid thrust pad bearing. Influence of providing micro-dimples of different cross-sectional shapes on the bearing surface has been theoretically investigated on the performance of thrust pad bearing. Reynolds equation has been solved using mass-conserving algorithm based on Jakobsson–Fl...
Article
Purpose This study aims to deal with the performance of symmetric/asymmetric slot entry hybrid journal bearing system considering the effect of three dimensional irregularities in the analysis. Design/methodology/approach The asperity profile of three-dimensional irregularities has been modeled in both circumferential and axial directions. To co...
Article
The present work deals with a comparative study concerning the combined influence of ER fluid lubrication and surface texturing on the performance of two-lobe/circular non-recessed hybrid journal bearings compensated with various types of flow control devices respectively. In order to describe the behavior of electro-rheological lubricant, Continuo...
Conference Paper
Full-text available
This paper theoretically investigates the influence of transverse magnetic field and recess shape on the performance of hydrostatic circular thrust pad bearing. The lubricant is assumed to be electrically conducting in nature. Navier-Stokes equation is modified by adding Lorentz force, so as to describe the flow of electrically conducting lubricant...
Article
A theoretical investigation has been carried out to explore the use of electrically conducting fluids as lubricants in circular and elliptical hydrostatic thrust pad bearings subjected to transverse magnetic field. Flow of electrically conducting fluid in the presence of external transverse magnetic field is represented by the addition of Lorentz f...
Article
Full-text available
This article presents finite element analysis to evaluate the performance of a compensated hydrostatic circular thrust pad bearing in the presence of a magnetic field. The influence of the magnetic field on the flow of an electrically conducting lubricant is expressed by incorporating the Lorentz force in the momentum equation, described by Maxwell...
Conference Paper
Full-text available
For an advancement of technology in fluid film journal bearing, the electro-rheology lubrication technology is one of the efficient method to enhance the performance with adjustable dynamic behaviour. The present work deals with the theoretical investigation showing the influence of electro-rheological (ER) lubricant on the performance of textured...
Conference Paper
Full-text available
During the last few decades surface texturing in journal bearings has become an emerging area, to harness good performance. The present theoretical study investigates the combined influence of micropolar lubricant and textured surface on the performance of 3-lobe hole-entry hybrid journal bearing configuration. The Reynolds equation governing the f...
Conference Paper
Full-text available
Commercially available lubricants are often blended with packages of additives to improve their tribological performance. Micropolar fluids are used to describe the behaviour of lubricants blended with additives having microstructure of order of fluid film thickness. These long chain microstructure exhibit motion independent to bulk of the base lub...
Article
Lubrication of fluid film bearings with smart lubricants provides better dynamic behavior. The behavior of these smart lubricants is described by Bingham model of non-Newtonian fluid flow. In the recent years, surface texturing has open up enormous possibilities for enhancing the performance of tribo-components and is being successfully applied in...
Article
Purpose The aim of the present paper is to study the combined influence of textured surface and micropolar lubricant behaviour on the performance of two-lobe hole-entry hybrid journal bearing system. The bearing performance parameters of the textured circular/two-lobe hole-entry hybrid journal bearing system have been computed against the constant...
Article
The present study examines the influence of geometric irregularities on the performance of membrane compensated four pocket journal bearing under misaligned conditions. Geometrically irregular journal in form of barrel shape, bellmouth shape and circumferential undulated shape and three misaligned conditions viz. Mx, Mz and Mxz are considered in th...
Article
Textured surface in journal bearings is becoming an important area of investigation during the last few years. Surface textures have the shapes of micro-dimple with a small diameter and depth having order of magnitude of bearing clearance. This paper presents the influence of couple stress lubricant on the circular and non-circular hole-entry hybri...
Article
This paper deals with the comparative performance of the two-lobe and circular hybrid journal bearing systems compensated with membrane restrictor. The combined influence of geometric imperfection of journal and the couple stress behaviour of the lubricant has been taken into the consideration. The non-Newtonian behaviour of the lubricant has been...
Article
The present paper is aimed to analyse the static and dynamic performance of a capillary compensated 180° partial non-recessed (hole-entry) hybrid journal bearing system considering the combined influence of surface roughness and nonlinear behaviour of the lubricant. The relation between shear stress and shear strain rate of non-Newtonian lubricant...
Conference Paper
Full-text available
Surface texturing in journal bearings has been an emerging area during the last few decades to harness improvement in the performance. The present paper deals with the influence of textured surface on the performance of 3-lobe slot-entry hybrid journal bearing system. The FEM has been used to solve the generalized Reynolds equation, governing the f...
Article
The present study is concerned with the linear and nonlinear transient motion analysis of a 2-lobe geometrically imperfect hybrid journal bearing system compensated with constant flow valve restrictor. The trajectories of journal center motion for a geometrically imperfect rotating journal (barrel, bellmouth and undulation type journal) have been n...
Conference Paper
Full-text available
The present study investigates the influence of non-Newtonian lubricant on the performance of the textured slot-entry hybrid journal bearing system. The non-linear relation between shear stress and shear strain of lubricant is modeled by using the power law fluid model. The modified Reynolds equation has been solved by FEM using the orthogonality c...
Conference Paper
Full-text available
This paper concerns with the theoretical investigation to predict the combined influence of couple stress lubricant and the tilt on the performance of externally pressurized circular recess thrust pad bearing. Stokes micro-continuum theory is used to derive the modified Reynolds equation accounting for the presence of couple stress additives in the...
Article
This study concerns with the theoretical investigation to show the influence of recess geometry and method of compensation on the performance of recessed hydrostatic circular thrust pad bearing operating with couple stress lubricant. Modified Reynolds equation for couple stress lubricant has been derived using Stokes microcontinuum theory. Stokes t...
Article
Full-text available
The present work investigates the effect of a crack on the modal frequency of a draft pad. Initially, the first five mode shapes of a healthy draft pad and the first seven mode shapes of healthy draft gear considering compressed draft pads are determined using the finite element approach. A mathematical model of the draft pad is formulated to predi...
Article
This paper concerns with theoretical investigation to predict the combined influence of textured surface and couple stress lubricant behavior on the performance of circular/two-lobe slot-entry hybrid journal bearing. The flow of incompressible couple stress lubricant through the clearance of a textured journal bearing system is governed by the modi...
Article
This work concern with the performance of hybrid circular thrust pad bearing having partial and full textured surface, operating with power law lubricant has been studied. The governing Reynolds equation is non-linear with pressure. Finite element method with JFO boundary conditions has been implemented to obtain fluid film pressure on the bearing...
Article
The present study investigates the effect of misalignment of journal in conjunction with the effect of geometric imperfections of journal on the performance of four pocket hybrid journal bearing system. Three types of geometric imperfections of journal viz. barrel shape, bellmouth type and undulated type are considered. The misalignment of the jour...
Article
The present paper is aimed to analyse the static and dynamic performance of a capillary compensated 180° partial non-recessed (hole-entry) hybrid journal bearing system considering the combined influence of surface roughness and nonlinear behaviour of the lubricant. The relation between shear stress and shear strain rate of non-Newtonian lubricant...
Article
The performance characteristics of capillary compensated tilted pad hydrostatic bearing operating with Newtonian lubricant and cubic law lubricant are studied numerically considering the flexibility of pad. The two-dimensional Reynolds equation coupled with three-dimensional equilibrium equations governing the deformation of thrust pad has been sol...
Article
In the present work, a comparative study between textured surface and non-textured surface non-recessed hybrid journal bearing configurations is presented. To obtain the performance characteristics parameters of non-recessed hybrid journal bearing, the Reynolds equation, which governs the flow of lubricant in the clearance space, is solved using FE...
Article
The present article proposes a technique to improve the performance of textured hydrostatic thrust bearings with the use of oil supply holes. The article provides a comparison between smooth and surface-textured hydrostatic thrust bearings. To get an accurate prediction of the caviation regime, the Jakobsson-Floberg-Olsson (JFO) mass conservation a...
Article
Full-text available
Non-recessed journal bearings gives a better performance either as a hydrostatic journal bearing or as a hybrid journal bearing as compared to recessed/pocket journal bearings. Hybrid operation mode of journal bearing is more efficient due to adopt of greater advantages of both hydrostatic and hydrodynamic effects of fluids. The present paper numer...
Article
This paper presents the thermohydrostatic solution of 2-lobe symmetric hole entry hybrid journal bearing compensated with orifice restrictor and operating with cubic law lubricant. Simultaneous solutions of Reynold's, energy and conduction equations have been obtained by using finite element method and a suitable iterative scheme. The performance c...
Article
This study explores the suitability of biosensors using multi-walled boron nitride nanotubes (MW-BNNTs) with virus/bacterium attached at the free end of cantilever through vibration analysis. Various viruses/bacteria having mass of the order of zeptogram level are considered for obtaining resonance frequencies of cantilevered triple-walled boron ni...
Article
The present paper describes the effect of surface roughness orientation pattern on the nonlinear transient response of symmetric two lobe capillary compensated hole entry hybrid journal bearing. Nonlinear equations of motion have been solved with the Runge-Kutta method. The stability of the journal bearing system has been studied by obtaining the j...
Article
The present study deals with the influence of geometric irregularities of journal (barrel type, bellmouth type and undulation type) on the performance of capillary compensated four-lobe multirecess hybrid journal bearing system operating in the turbulent regime. The Reynolds equation governing turbulent flow of lubricant has been modified by using...
Article
In the present paper, the influence of wear on the performance of 2-lobe slot entry restrictor bearing has been investigated theoretically. The equation of fluid flow field has been solved by using Galerkin's technique of FEM. In this study, Dufrane's wear model has been used to consider the change in bush geometry due to wear. The performance of 2...
Article
Full-text available
The modeling of a vibration based electromechanical mass flow sensor using an adaptive neuro-fuzzy inference system (ANFIS) has been presented to study the influence of tube material. The input parameters taken into consideration are tube material, sensor location, drive frequency, height of tube. The results show that a well trained and well teste...
Article
Full-text available
Artificial neural network (ANN) based model has been developed for copper omega type mass flow sensor. The significant phase shift parameter is modeled for various input factors like sensor location, drive frequency, mass flow rate and length of tube. This model is found in good agreement with the experimental results after comparison. The effectiv...
Article
Full-text available
Geometric dimensioning and Tolerancing (GDT) constitutes the dominant approach for design and manufacture of mechanical parts that control inevitable dimensional and geometrical deviations within appropriate limits. The stack up of tolerances and their redistribution without hampering the functionality is very important for cost optimization. This...
Article
Full-text available
Geometric dimensioning and Tolerancing (GDT) constitutes the dominant approach for design and manufacture of mechanical parts that control inevitable dimensional and geometrical deviations within appropriate limits. The stack up of tolerances and their redistribution without hampering the functionality is very important for cost optimization. This...
Article
Hydrostatic thrust bearings are an integral part of hydroelectric power stations. These bearings are usually designed to work under parallel operation, but tilt is inevitable due to manufacturing errors, assembly errors, structural vibrations and structural deformations. Owing to the advent of latest advancements in manufacturing techniques, any ge...
Article
The present paper deals with the theoretical investigation of the influence of dimple geometry on fully textured hybrid thrust pad bearing and operating with non-Newtonian lubricant. The modified Reynolds equation which governs the flow of non-Newtonian lubricant in the clearance space has been solved using Finite Element Method. The simulated resu...
Article
The present paper investigates the influence of micropolar lubrication on the stability of a constant flow valve compensated multi-recess conical hybrid journal bearing system. Eringen's micropolar fluid theory has been used to model the micropolar lubrication in a fluid-film bearing system. The modified Reynolds equation of the micropolar lubricat...
Article
Full-text available
The present work intends to investigate dynamic behaviour of draft gear using finite element method. The longitudinal force that the draft gear absorbs usually leads to the failure of its components, especially, the load bearing draft pads. Dynamic behaviour of an individual draft pad and a draft gear is determined and characterized with exciting f...
Article
The present paper, deals with a theoretical study concerning the effect of non-Newtonian lubricant on the stability of a two lobe symmetric hole entry worn hybrid journal bearing, compensated with constant flow valve restrictor. Trajectories of journal center motion have been obtained by solving the nonlinear equation of motion for the journal cent...
Article
The present paper investigates the influence of journal's geometric imperfections on the performance of capillary compensated two-lobe hybrid journal bearing system. Different geometric imperfections of journal, viz. barrel, bellmouth and circumferential waviness have been included in the study. A parameter called offset factor has been included in...
Article
In this paper, response surface method is used to find out the fatigue life equation by taking load and dimensions of the wheel as variables. The natural frequency is taken as a factor for fatigue life. An ANOVA analysis is carried out to formulate the natural frequency function. An objective function has been formulated to minimise the mass of rai...
Article
The present paper is aimed to investigate theoretically the effect of non-linear behavior of the lubricant on the performance of an orifice compensated two lobe non recessed worn hybrid journal bearing. A non-linear behavior of lubricating oil is modeled by using the cubic shear stress law. Dufrane’s abrasive model has been used for the analysis of...
Article
Polymer-based additives such as poly isobutylene are blended with lubricating oil to enhance the lubricating performance of the base oil. The Rabinowitsch fluid model effectively describes the influence of polymer additives on the lubricating performance of a non-Newtonian (pseudoplastic) lubricant. This article deals with the analysis of a capilla...
Article
This article describes an analytical study to demonstrate the influence of micropolar lubricant on a four-pocket conical hybrid journal bearing system compensated with membrane restrictor. The modified Reynolds equation has been derived using Eringen’s theory of micropolar fluids with usual assumptions in cylindrical coordinates. The finite element...
Article
Proper tribological practices are extremely important from the view point of reliable and maintenance free operation of machine components. Friction, wear, and lubrication are three main domains of tribology. Proper interfacing among these domains is essential to have a better performance of machine components. Bearings are most critical machine el...
Article
The present paper theoretically describes the effect of geometric imperfections of journal on the performance of micropolar lubricated 4-pocket hybrid journal bearing. The numerically simulated results are presented for different forms of geometric irregularities of journal such as barrel shape, bellmouth shape, circumferential undulations along wi...
Article
The present paper deals with the theoretical study of geometric imperfections of journal and its influence on the performance of capillary-compensated six-pocket hybrid journal bearing configurations with different geometric shapes of recess. The analysis includes the geometric imperfections of journal such as barrel shape, bellmouth shape, and cir...