Nor Azwadi Che Sidik

University of Technology Malaysia | UTM · Malaysian - Japan International Institute of Technology (MJIIT)

This research aims to introduce Semarak Ilmu Publishing in the field of fluid research through bibliometric analysis. This analysis evaluates publications, research trends, and major contributions in the fluid-related scientific literature. Data was collected from the Scopus database and analyzed using a bibliometric tool called VOSviewer. The rese...

In the universe of solar energy systems, the quest for enhanced energy efficiency has led to the design and implementation of a Smart Solar Tracker using Arduino. This innovative solution leverages advanced control mechanisms to optimize solar panel orientation dynamically, addressing the inherent challenges posed by varying climatic conditions. Tr...

The quest for enhanced efficiency in solar energy systems has directed significant attention towards optimizing solar dish concentrators. This study investigates the performance enhancement of solar dish concentrators through the use of advanced nanofluid solutions and innovative cavity designs. The experimental setup includes various nanofluid con...

The integration of photovoltaic/thermal (PV/T) systems with nanofluids presents a promising avenue for enhancing sustainable energy solution. This study investigates the performance of such systems through experimental analysis and computational fluid dynamics (CFD) simulations. Nanofluids, engineered colloidal suspensions of nanoparticles in base...

The use of nano phase change material (PCM) as a heat transfer agent has spread and expanded as its thermal conductivity is higher than the base PCM, so its use has been increased in PVT systems. In this study, inorganic salt hydrated PCM was used as a base material and Graphene nanoplatelet (GNP) as an additive to improve the thermal conductivity...

Microchannel heat sink is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimum levels. It is widely used in computers that are used to cool central p...

Nowadays, decreasing sources of petroleum fuel has led to innovation of other resources. Alternative fuel can be produced from biomass such as alcohol. In this work, an experimental study on the feasibility and the effects of using Diesel-ethanol and Diesel-methanol blends as alternative fuel for Diesel engine was carried out. Pure Diesel, Diesel-e...

Green synthesizing carbon-based hybrid nanofluids has the potential to drive innovation in both renewable energy technologies and nanomaterial applications. In this regard, the current experimental work focuses on enhancing the thermal performance of flat-plate solar collectors (FPSCs) using working fluids made of nanocomposite materials via an eco...

Microchannel heat sinks have gained prominence in the field of thermal management, offering compact and efficient solutions for dissipating heat flux from high performance electronic devices. Escalating heat flux in modern electronic devices, such as those found in telecommunication equipment, industrial automation equipment, solar devices, and dat...

It is convinced by numerous researchers that nanofluid may enhance heat transfer especially in those heat related engineering applications that acquire quick thermal responses such as in a Central Processing Unit (CPU) liquid cooling system. The main purpose of this research is to measure thermophysical properties of nanofluid with different concen...

Conventional working fluids such as water, glycol, and synthetic oils are commonly employed in solar thermal applications, but they have relatively low thermal conductivity, which leads to minimized heat transfer and lower thermal performance. As an alternative, a novel category of fluids known as hybrid nanofluids has proven to be highly beneficia...

In the present work, enhancement of the thermal performance of a central processor unit (CPU) cooling system through a heat sink subjected to an impinging air jet is realized. The height of the impinging air jet duct, the mode of air flow on the heat sink, air blowing mode and as well as the suction blow mode "pull" and the air jet duct geometry ar...

In the last decade, coupled convection and radiative engineering problems has emerged as a major area of study in the engineering applications and sciences. The present paper deals with a transient (steady and unsteady) combination between free convection and volumetric radiation in a closed enclosure in thermal incompressible fluid flows in a bi-d...

Magneto-Hydro-Dynamic associate to convection heat transfer mode in a two-dimensional cavity filled with conducting fluid having a partially open-ended wall, is discussed in the present work. This engineering application is crucial to understand dynamic and thermal behavior of flow in frequent conclusive practicable and industrial applications in r...

The hybrid nanofluid's synergetic effect is proportional to the mixing ratio. However, the One Factor at A Time (OFAT) method only displays the optimised mixing ratio when the mixing ratio used in the respective experiments is specified. Thus, the purpose of this study is to optimise the nanoparticle mixing ratio using Design of Experiment (DOE) in...

The heat transfer improvement using nanofluids inside varying shape heat exchangers is a still challenge to avoid from heat losses in chemical and petrochemical industries. In the stated study, the friction loss (f), pressure drop (∆P), average heat (have) transfer and average Nusselt (Nuave) numbers were evaluated numerically (ANSYS-FLUENT) and ex...

The current research focuses on the chemical synthesis of ZnO and preparation of ZnO dispersed in EG@DW mixture-based nanofluids for the investigation of enhancement in heat transfer of a square shaped heat exchanger. The steady and uniform dispersion of ZnO nanoparticles was achieved using high probe sonication at varying mass% concentrations like...

Nanofluid is a new class of heat transfer fluid that is introduced to enhance the heat transfer performance in various heat exchanging systems. Prior to invention of nanofluid, water is the most common fluid used to extract heat generated from the systems. The application of water has reached thermal bottleneck since it can only enhance the heat tr...

Fire rated door is one of the passive fire protection systems that can prevent fire and smoke from spreading when a fire occurs. The purpose of this study was to analyze fire rated doors made of Gypsum and Kapok fiber composites. This fire rated door has been manufactured in accordance with Malaysian Standard MS1073: Part 2: 1996. This fire rated d...

Zinc Oxide @ Glycol based nanofluids was prepared using the ultra-sonochemical technique and 2 step methods. The heat convection characteristics of as prepared nanofluids were observed for a closed single conduit in turbulent flow regimes. The prepared nanofluids were characterized for UV-vis, FTIR, XRD, FESEM, and TEM analysis to confirm the accur...

A surfactant is an efficient approach for increasing the stability of nanofluids. However, excessive surfactant degrades the hybrid nanofluid's outstanding thermal conductivity. Additionally, there was only a little research on optimising the amount of surfactant used in nanofluids depending on their thermal conductivity. As a result, it is critica...

The major effects of cylindrical and spherical trenched cooling holes with distance between the hole surface and the combustion chamber panel and the filler diameter on the spherical hole contact surface and the panel surface H=0.3,R=D/2=0.1, H=0.3, R=D/2=0.2 and H=0.3, R=D/2=0.3 cm at BR=3.18 on the film cooling effectiveness near the combustor en...

Past studies showed that varying nanoparticles size could affect several properties of nanofluids. This could lead to significant change of hydro-thermal performance in various applications. In the present study, the effect of copper oxide (CuO) nanoparticle size on the viscosity of nanofluid was investigated under different working temperature and...

Renewable energy sources such as palm oil biomass solid waste have attracted the interest of scientists. This is because palm oil biomass is suitable for conversion to heat energy so that the dependence on conventional fossil energy can be reduced. This study aimed to analyze the combustion temperature and efficiency in fluidized-bed combustor (FBC...

In this study, a numerical model was developed for prediction of Nusselt number in solar cavity receivers. Thermal oil and water were used as the working fluid. A dish concentrator with different shapes of the cavity receiver, including hemispherical, cylindrical, and cubical, was investigated. The different shapes of cavity receiver were studied u...

Lattice Boltzmann mesoscopic (LBM) is applied to solve energy equation of a transient conduction radiation heat transfer problem in a two-dimensional cylindrical participating (absorbing, emitting and scattering) medium in the presence of heat generation/absorption coefficient. Control volume finite element method (CVFEM) formulation is used to obt...

This paper deals with Lattice Boltzmann computation of two-dimensional incompressible flow past two heat elliptical sinks vertically attached to the horizontal walls of a cavity in the presence of magnetic field. A two dimensional nine-velocity square lattice Boltzmann (D2Q9) model is used. The obtained results show that the applied Lattice Boltzma...

This paper summarises the recent progress of nanofluids and hybrid nanofluids in various machining processes including milling, turning, grinding and drilling. Thermophysical properties of nanofluid and hybrid nanofluid, such as viscosity, thermal conductivity, stability and wettability, are also discussed. Results showed that thermal conductivity...

Hybrid nanofluid is the extension from nanofluid that had been recently discovered, which can enhance heat transfer performance of heat transfer application. However, there were limited reviews had been done on the effect of surfactant on thermal conductivity and the mixing ratio of hybrid nanofluid. These reviews are critical to giving a detailed...

In this paper, the combined possessions of thermal radiation and thermophoresis on stable Magnetohydrodynamic free convection stream of a micropolar liquid past an erect porous laminate during a porous medium in the occurrence of variable heat and mass fluxes are engaged into report is measured. The leading non-linear partial differential equations...

The present explore effort addresses the impact of radiation on MHD stream of an incompressible nano fluid due to an elongating elongating piece by warm and mass fluxes border situation. Similarity transformations are applied to attain the self-similar equations which are then solved numerically by means of shooting procedure alongside by means of...

The present explore effort addresses the impact of radiation on MHD stream of an incompressible nano fluid due to an elongating elongating piece by warm and mass fluxes border situation. Similarity transformations are applied to attain the self-similar equations which are then solved numerically by means of shooting procedure alongside by means of...

In this paper, the combined possessions of thermal radiation and thermophoresis on stable Magnetohydrodynamic free convection stream of a micropolar liquid past an erect porous laminate during a porous medium in the occurrence of variable heat and mass fluxes are engaged into report is measured. The leading non-linear partial differential equations...

Miniaturization and utilization of low-dimensional structures of recent electronic devices have witnessed some new micro cooling methods which can fulfil the cooling demand for the electronic devices. Microchannel heat sink (MCHS) is one of the micro cooling method which appears as a promising method that can provide high heat transfer rate due to...

Based on literature survey, the performance factors were used in 62 articles which have been published in 2021 in International Journal of Heat and Mass Transfer, International communications in Heat and Mass Transfer, International Journal of Thermal Sciences and Applied Thermal Engineering, to evaluate the heat transfer enhancement by geometry mo...

An enormous amount of heat generated from a vehicle engine could be removed fractionally by using a radiator. The struggle to maintain efficient heat exchange in a vehicle cooling system is arduous as both active and passive methods require time to catch up with high-power engine technologies. This study reported the heat transfer performance of a...

The revolution of tribology technology involved lubricant has driven researchers recently due to strict environmental policy. RBD palm oil has remarkable properties that can improve the performance of plain or textured journal bearings. At the same time, surface texture modification can improve journal bearing performance. The potential of RBD palm...

Combined approach of geometrical variations to increase heat transfer surface with the application of high thermal conductive nanofluids can influence heat transfer enhancement in new thermal systems. This study numerically investigates the thermophoresis and Brownian diffusion as convective heat transfer enhancement mechanisms with two-phase Al2O3...

A new procedure to solve a nonlinear energy equation using superposition principle is proposed. As an example of the utilization of this procedure, forced convection in a tube with temperature dependent fluid properties was considered. The tube wall was maintained at uniform wall heat flux axially that varies with time and the average fluid tempera...

Miniaturization and utilization of low-dimensional structures of recent electronic devices have witnessed some new micro cooling methods which can fulfil the cooling demand for the electronic devices. Microchannel heat sink (MCHS) is one of the micro cooling method which appears as a promising method that can provide high heat transfer rate due to...

Heat transfer has always been one of the most important aspects of human life. So far, many sources have been reported on methods of increasing the heat transfer rate. Many of these methods focus on changes in equipment structure. These techniques can hardly cope with the growing demand for heat transfer and compression in equipment. Recent advance...

Energy management and sustainability in thermal systems require maximum utilization of resources with minimal losses. However, it is rarely unattainable due to the ever-increasing need for a high-performance system combined with device size reduction. The numerical study examined convective heat transfer of an alpha-Alumina-water nanofluid in varia...

In order to improve reliability and prevent premature failure, heat produced by electronic devices must be transfer efficiently. The microchannel heat sink appears to be the most reliable cooling technology to improve heat transfer performance. A new Microchannel Heat Sink (MCHS) design has been proposed with trapezoidal cavities, ribs and secondar...

Biodiesel production is the reaction of raw oils with mixing and heating within catalyst and methanol. The raw oils usually come from vegetable oils and animal fats. Vegetable oils are a promising feedstock for biodiesel production since they are renewable in nature. Nevertheless, the physical properties of biodiesel pose some acute problems when u...

Today, in the industry 4.0 era, the boundaries of scientific disciplines are blurred, everything seems to be interrelated and shows the ability to be combined. Intelligent sensors combined with Artificial Intelligence (AI) have demonstrated their ability to influence processes, design, and maintenance in manufacturing systems. Mechanical engineerin...

Many previous studies used the performance factors for the evaluation of heat transfer enhancement of nanofluids under the identical pumping power. The validity of the performance factors was not examined yet. The validity of the performance factors used in previous studies examined considered only flows in a circular tube based on the empirical co...

Among different sources of renewable energy, solar energy is widely used almost exclusively because of its ease of availability and its lowest environmental effects. The most commonly used solar collectors are the flat plate solar collectors (FPSCs). However, they are less powerful (low capacity to convert solar energy to thermal energy). It is pos...

The concise review systematically summarises the state-of-the-art variants of Moving Least Squares (MLS) method. MLS method is a mathematical tool which could render cogent support in data interpolation, shape construction and formulation of meshfree schemes, particularly due to its flexibility to form complex arithmetic equation. However, the conv...

Energy demand from the community, which continues to increase has resulted in depletion of petroleum (fossil) energy in recent years. Many researchers have sought to find alternative fuels to replace dependence on conventional energy. The mixing of alcohol into diesel fuel has also been carried out by several previous researchers. The main focus of...

The complex physics and biology underlying intracranial hemodynamics are yet to be fully revealed. A fully resolved direct numerical simulation (DNS) study has been performed to identify the intrinsic flow dynamics in an idealized carotid bifurcation model. To shed the light on the significance of considering blood shear-thinning properties, the po...

Today, due to the reduction of energy resources in the world and its pollutants, energy storage methods and increase the thermal efficiency of various systems are very important. In this research, the thermal efficiency and energy storage of two heat exchangers have been investigated in series using phase change materials (RT82) and single wall car...

Nanofluid is a colloidal mixture consisting of nano-sized particles dispersed in a liquid medium. It improves heat transfer properties and promotes high energy efficiency in a wide spectrum of engineering applications. In recent years, particularly in the automotive industry, the addition of nanofluid in diesel/bio-diesel as an additive for ICE has...

Microchannel heat sink (MCHS) is an advanced cooling technique to fulfil the cooling demand for electronic devices installed with high-power integrated circuit packages (microchips). Various microchannel designs have been innovated to improve the heat transfer performance in an MCHS. Specifically, the utilisation of nanotechnology in the form of na...

Reynolds-Averaged Navier-Stokes (RANS) are such model equations and are used to simulate numerous fluid flow problem. This article focuses on the most well-known of RANS turbulence modelling and its application to industrial flows. Among all the RANS models, low Reynold number (LRN) turbulence model is more accurate that the standard turbulence mod...

In this research work, novel hybrid graphene-silver (Gr-Ag) nanomaterial has been used for first time with paraffin wax as a phase change material (PCM) to improve its thermo-physical properties. Thermal and electrical energy efficiencies of the novel synthesized nanocomposite (PCM/graphene-silver) has been investigated in solar thermal collector s...

In this study, experimental tests have been carried out on the coupling thermoelectric cooling module with minichannel heatsink subjected to impinging airflow for cooling desktop central processing unit (CPU). A controlled thermoelectric‐forced test system was designed for this purpose. This was designed using electronic Arduino card. The proposed...

Particles dispersion studies have attracted researchers' interest in understanding the physics behind the phenomena. Fluid-particle transport related to cavity flow is relevant to several natural and engineering applications such as cleaning of process equipment. This paper intends to provide a brief review of researches on the impact parameters, i...

Common phase change materials (PCMs) possess very low thermal conductivity whilst hybrid PCM with graphene filler could be produced to achieve increased thermal conductivity. This research focuses on the effects of graphene flakes on the thermal conductivity of a PCM (paraffin wax). Three experimental parameters at different levels of average later...

Phase change material (PCM) is widely impregnated in energy-efficient building envelopes for heat modulation with the ultimate objective of energy saving. Recently, PCM filled bricks have been tested for the same purpose. Only a handful of research are available which study on the PCM phase change performance as a latent heat storage (LHS). This re...

Microchannel heat sink is an advanced cooling technique that can fulfil cooling demand for the compact electronic devices which have high power density in its microchip. However, fast development in electronic industry increases the power density rapidly. As consequence, innovation of microchannel heat sink design is required in order to remove the...

In this study, the three-dimensional rectangular silicon microchannel heat sink (MCHS) were analyzed numerically to investigate the fluid flow and heat transfer performance using pure water and Fe3O4-H2O as working fluids. The numerical method is based on finite volume method. CFD software’s involving GAMBIT and FLUENT were employed to perform the...

The purpose of this brief paper is to obtain quantitative information on mean velocity profile in ideal vasculature (i.e. straight and toroidal pipes) at low to medium shear rates. To shed the light on the significance of considering blood shear-thinning properties, the power-law model is compared to the commonly used Newtonian viscosity hypothesis...