Manikandan N.

P. A. College of Engineering and Technology | PACET · Mechanical Engineering

The enhancement of mechanical properties in composite materials at cryogenic temperatures is a critical challenge addressed in this study, particularly targeting applications in aerospace engineering, such as the development of materials for spacecraft structures and in the storage and transportation of liquefied gases, representing a significant a...

In light of the unprecedented growth in internet usage, safeguarding data from unauthorized access has emerged as a paramount concern. Cryptography and steganography stand as pivotal methods for ensuring data security during transmission. This study introduces an innovative adaptive video steganography approach featuring three tiers of security for...

The tooth fracture failure modes in the spur gear tooth root are mainly influenced by the magnitude and positions of bending fatigue load along the gear face width. Numerous studies in the literature used 3D finite element (FE) models to analyze crack propagation, but they did not take into account the effect of the load distribution ratio (LDR) th...

Smart cities and the Internet of Things have enabled the integration of communicating devices for efficient decision-making. Notably, traffic congestion is one major problem faced by daily commuters in urban cities. In developed countries, specialized sensors are deployed to gather traffic information to predict traffic patterns. Any traffic update...

In this work, composite materials were developed using compression moulding method, which the composition of M2A1C (Epoxy + 2 wt % MWCNT +1 wt % Al2O3), M2A1.5C (Epoxy + 2 wt % MWCNT +1.5 wt % Al2O3) and M2A1C (Epoxy + 2 wt % MWCNT +2 wt % Al2O3). From the composition, M2A1.5C had improved the mechanical properties of 30%, 24% and 28% in tensile st...

Mathematically study mass transfer phenomena involving chemical reactions in the flow of Sisko Ferro nanofluids through the porous surface. Three ferronano particles, manganese-zinc ferrite (Mn1/2Zn1/2Fe 2 O 4), cobalt ferrite (CoFe 2 O 4), and nickel-zinc ferrite (Ni-Zn Fe 2 O 4) are considered with water (H 2 O) and ethylene glycol (C 2 H 6 O 2)...

Dimethyl ether (DME) and its blend of refrigerants (R429A, R435A, and R510A) are considered in this study's second law analysis as potential replacements for R134a. The performance of various refrigerants in a vapour compression refrigeration system is examined using the Design package CYCLE D. The software REFPROP 9.0 is used to extract all of the...

The household heating and cooling system often use the capillary device. The use of the helical capillary eliminates the need for lightweight refrigeration devices in the system. Capillary pressure is noticeably affected by the capillary geometric parameters, such as length, mean diameter, and pitch. This paper is concerned with the effects of the...

Bigger interest in utilizing Metal Matrix Composites (MMCs) research on MMCs has provided not only new types of hybrid metal matrix composites, but also characterizations of their physical, thermo-mechanical, and tribological properties over the past 30 years. The main objective of this research is to produce MMCs with enhanced strength and wear re...

This survey paper is pointed toward featuring past works of RH-filled polymer composites give data to applications and further examination in this space. Based on the information gathered, using RH-filled composites as an alternative material in aircraft and boats is extremely feasible, with their major thrusts being lightweight and low effort. How...

This study investigates the performance of nanorefrigerants (R134a-ZrO 2) in a domestic refrigerator at a concentration of 0.2 g/l without changing the components. Nanoparticles of ZrO 2 of 0.2 g/L concentration with particle size 1-10 nm and 140 g of R134a have been charged, and investigations were carried out. Energy consumption and pull-down tes...

Analysis of performance characteristics of nanoparticles’ dispersed oil has wide and an important role in oil industries. Zinc oxide nanoparticles are dispersed with polyester oil by using an ultrasonic vibrator and magnetic stirrer. Nanoparticles’ concentration are taken as 0.1, 0.3, and 0.5 wt. %. The ball-milling process is used to reduce the si...

In this paper, various eco-friendly refrigerant mixtures R430A, R436A, R436B, R435A, and R510A used in vapour compression refrigeration systems are considered for this study. All of them have zero ODP and very low GWP. On the basis of exergy features, the efficiency of various working fluids in vapour compression refrigeration cycles was compared....

At the present-day the advanced technology in material science have aided within the discovery and fabrication of recent materials that may be accustomed replace existing materials during a range of applications. Composite materials, that square measure created from 2 or a lot of materials with completely different physical and chemical properties,...

Advanced material is required for modern science and technology. To fulfill these requirements of advanced technology, the scientist is involved in the invention of finite particles and structures in a very small size ~ 10–9 m (Nanometer Scale). Carbon nanotubes are one of the innovative substances of allotropic carbon. They have a production capac...

In this study the experimental investigation of mechanical behaviour of Multi-Walled Carbon nanotubes (MWCNTs) and Aluminium Oxide (Al 2 O 3) reinforced with E-Glass/Epoxy nanocomposites at 0.5%, 1.5% and 2.0% of weight rated with 225 GSM, 300 GSM and 450 GSM glass fibres were studied. Test specimens were prepared at the standardof ASTM D638 for te...

The aim of this effort is to use friction stir processing to make an aluminium-based hybrid composite (FSP). Because of their high strength-to-weight ratio, aluminium alloys are widely used in the nautical, concrete, transportation, and aircraft industries. Friction strengthened metal matrix composites (PRMMC) is made from A6061 and its reinforceme...

Epoxy is often used as important material for cryogenic engineering, and can be designed to meet these high standards for cryogenic applications. CNT plays a vital role in reinforcement in polymers. In this experimental study explores the wear and hardness characteristics of epoxy reinforced with nanocomposite Multiwall Carbon nanotubes (MWCNT) and...

The growing needs of the industries to achieve high production rates insists on the usage of the cutting tool for relatively longer hours which might get overheated due to various reasons and eventually will lead to the failure of the tool. This discrepancy can be eliminated by the usage of a cutting fluid which takes away the chips that are formed...

Carbon nanotubes being a major vital role player in nanocomposites, due to their versatility and ability to improve and enhance the properties of the matrix which is used in the composite, it is necessary to study the properties and the changes of the morphology in the carbon nanotubes with respect to different working conditions. Since nano compos...

In this study, the first and second law analysis of Dimethyl ether (DME) and its blend refrigerants (R429A, R435A, R 510A) is presented as an alternatives to R134a. A computational model, developed in cycle_D software, is employed for comparing the performance of these refrigerants in vapour compression refrigeration cycle. The thermodynamic proper...

This manufacturing of ASTM based multi thickness pass on with variable thickness. The current monetary situation makes the use of exceptionally prepared men exorbitant to be joined into the assembling business. Our venture consequently makes the assembling of ASTM testing parts of different measurements in single kick the bucket therefore lessening...

Ultrasonic welding has been the subject of ongoing research and development of industrial applications. In many cases, the phenomenon of ultrasound is also applied to joining of materials. The main constituent of equipments that use the properties of ultrasound for welding technology is the ultrasonic horn. The ultrasonic horn is the key component....

In recent years Thermal Engineering has developed in many aspects. Due to the development in thermal engineering there is a case for measuring thermal conductivity of the fluids .Thermal conductivity of fluids is measured by Steady state methods as well as Transient method. The Transient Hot Wire has been widely accepted as the most accurate techni...

In recent years Thermal Engineering has developed in many aspects. Due to the development in thermal engineering there is a case for measuring thermal conductivity of the fluids .Thermal conductivity of fluids is measured by Steady state methods as well as Transient method. The Transient Hot Wire has been widely accepted as the most accurate techni...

In recent years Thermal Engineering has developed in many aspects. Due to the development in thermal engineering there is a case for measuring thermal conductivity of the fluids .Thermal conductivity of fluids is measured by Steady state methods as well as Transient method. The Transient Hot Wire has been widely accepted as the most accurate techni...

In the study of heat transfer, a fin is a surface that extends from an object to increase the rate of heat transfer to or from the environment by increasing convection. The amount of conduction, convection, or radiation of an object determines the amount of heat it transfers. Increasing the temperature difference between the object and the environm...

Nowadays, manufacturers face the challenge of reducing manufacturing cycle time, delivery lead time and inventory reduction. Every organization has its own objectives and its own way of decision making processes. Because of the conflictions among the objectives of each organization and non-integrated decision making processes, there has been a need...