A5036937067- Fluid Dynamics and Turbulent Flows
- Aerodynamics and Fluid Dynamics Research
- Heat Transfer Mechanisms
- Wind and Air Flow Studies
- Fluid Dynamics and Vibration Analysis
- Turbomachinery Performance and Optimization
- Flow Measurement and Analysis
- Aerosol Filtration and Electrostatic Precipitation
- Plasma and Flow Control in Aerodynamics
- Fire Detection and Safety Systems
- Thermochemical Biomass Conversion Processes
- Aerodynamics and Acoustics in Jet Flows
- Computational Fluid Dynamics and Aerodynamics
- Cyclone Separators and Fluid Dynamics
- Fluid Dynamics Simulations and Interactions
- Evacuation and Crowd Dynamics
- Fire dynamics and safety research
- Electrohydrodynamics and Fluid Dynamics
- Advanced Sensor and Energy Harvesting Materials
- Environmental and Sediment Control
- Electrical and Bioimpedance Tomography
- Heat transfer and supercritical fluids
- Bone Tissue Engineering Materials
- Advanced Vision and Imaging
- Particle Dynamics in Fluid Flows
Petronas (Malaysia)
2014-2024
Tun Hussein Onn University of Malaysia
2012-2023
National Defence University of Malaysia
2020
Flow Analysis (United States)
2017
McPherson College
2016
Universiti Teknologi Petronas
2013
Int-Cart is an autonomous shopping cart designed to provide a convenient and centralized location for consumers engage in activity. The addresses common challenges, including difficulty finding desired items limited maneuverability. It features dual-mode configurations—following navigation modes—and equipped with LiDAR sensor RealSense camera store mapping obstacle detection. A display monitor allows users select their preferred mode view the price of selected items. aims promote inclusive...
In this present paper, the commercial Computational Fluid Dynamics (CFD) is used to predict flow features in orifice meter. Outcomes of CFD simulations terms profiles velocity and pressure are discussed detail. It observed that jet-like core region presence recirculation, reattachment shear layer regions downstream orifice. The location vena-contracta was also estimated from simulations. These results consistent with other published data.
This paper presents a numerical investigation of pressure recovery and flow uniformity in turning diffusers with 90 o angle turn by varying geometric operating parameters. The parameters considered this study are area ratio (AR= 1.6, 2.0 3.0) inflow Reynolds number (Re =23, 2.653E+04, 7.959E+04, 1.592E+05 2.123E+05). Three turbulence models, i.e. the standard k-e model (std k-e), shear stress transport (SST-k-W) (RSM) were assessed terms their applicability to simulate actual cases. appeared...
In practice, it is basically difficult even with controlled measurement environment to acquire a steady, uniform and fully developed flow. The flow entering diffuser was severely distorted despite sufficient hydrodynamic entrance length already introduced. This mainly due the imperfect joining of duct abrupt change inlet cross-section applied. this study, several basic features low subsonic wind tunnel, i.e. centrifugal blower 3-phase inverter, settling chamber, screens contraction cone, are...
A turning diffuser is often introduced in the flow line to recover energy losses by converting kinetic pressure energy. There are two types of diffusers, i.e. a 2-D and 3-D that commonly defined their expansion direction. This study aims investigate performance with 90 o angle turn an area ratio, AR=2.16 means varying operating conditions. The geometry configurations applied for outlet-inlet configurations, W 2 /W 1 =2.160, X /X =1.000 inner wall length inlet throat width L =4.370, whereas...
This study focusses on using computational fluid dynamics (CFD) to the enhancement of heat transfer from use AL2O3 nanofluid in a microchannel sink (MCHS) develop more efficient cooling device for high-power integrated circuits. The objective is investigate performance, parameters, and rate Ansys Fluent software, compare results with experiments show effectiveness this method. will also focus relationship between friction fraction nanoparticles volume improve MCHS. temperature, pressure,...
3-Dstereoscopic PIV is capable of measuring 3-dimensional velocity components. Itinvolves a very sophisticated routine during setup, calibration, measurementand data processing phases. This paper aims to verify the 3-D stereoscopic PIVmeasurement procedures and prove that flow entering thediffuser fully developed flow. A diffuser inlet rectangularcross-section, 130 mm x 50 presently considered. For verification, thevelocities from are compared with velocities pitot static probeand theory....
The paper aims to investigate CFD simulation is carried out the airflow along rear wing of F1 car with Reynold number 3 × 106 and velocity, u = 43.82204 m/s. analysis was done using 2-D model consists main plane flap wing, combined together form module. Both aerofoil placed inside a box 350mm long 220mm height according regulation set up by FIA. parameters for this study thickness chord length aerofoil. simulations were performed FLUENT solver k-kl-omega model. wind speed 43 m/s that average...
An efficient method to waste utilization is successfully transform it into high value products.Chicken eggshell contain potential useful minerals of calcium carbonate in which can be processed biomaterials used biomedical application.The objective this study derived from and analyze the effect various calcination temperatures on properties carbonate.Fourier infrared (FTIR) spectroscopy indicates that all calcined samples reveals no longer present after as already converted oxide.This also...
Turning diffuser is an engineering device that widely used in the industry to reduce flow velocity as well change direction of flow. Having a curvature shape causes its performance decrease terms pressure recovery (C p ) and uniformity (σ u ). Therefore, this study presents work done designing baffles be installed turning with ratio AR=2.16 improve recovery. It also aims investigate mechanism structure diffusers by means baffles. The results varying inflow Reynolds number (Re between...
Femoropopiteal artery stenting is a common procedure suggested by medical expert especially for patient who diagnosed with severe stenosis. Many researchers reported that the growth of stenosis significantly related to geometry stent strut configuration. The different shapes are presenting flow pattern and re-circulation in stented femoropopliteal artery. blood characteristics near predicted possibility thrombosis atherosclerosis be formed as well increase Thus, this study aims determine...
Flame spread over combustible solid must be precisely identify in fire hazard and this is the basic problem safety engineering field. To explore flame mechanism solid, downward behaviour paper bagasse has been investigated experiment. It found that combustion pattern for was slightly different from on front view analysed through observation. The result also showed rate higher compared to bagasse. seem that, although of lower usage can help control spread.
Fuel cell is the technology that, nowadays, deemed having a great potential to be used in supplying energy. Basically, fuel cells can categorized particularly by kind of employed electrolyte. Several types which are currently identified huge utilized, namely, Solid Oxide Cells (SOFC), Molten Carbonate (MCFC), Alkaline (AFC), Phosphoric Acid (PAFC), Polymer Electron Membrane Cell (PEMFC), Direct Methanol (DMFC) and Regenerative (RFC). In general, each these has their own characteristics...
It is often necessary in fluid flow systems to simultaneously decelerate and turn the flow. This can be achieved by employing turning diffusers systems. The through a diffuser complex, apparently due expansion inflexion introduced along direction of In present work, characteristics 2-D means varying inflow Reynolds number are investigated. within outlet cross-section longitudinal section were examined respectively 3-D stereoscopic PIV PIV. uniformity affected with increase dispersion core...
Various diffuser types characterized by the geometry are introduced in flow line to recover energy. A 3-D turning is a type of that its cross-section diffuses all 3 directions axes, i.e. x, y and z. In terms applicability, offers compactness more outlet-inlet configurations over 2-D diffuser. However, within expected be complex which susceptible excessive losses. As yet there no established guideline can referred choose with an optimum performance. This paper aims investigate effects varying...
The present study gives a detail description of separation flow and its effect under high Reynolds number. unsteady three dimensional simulation around sphere using numerical computational fluid dynamics for number between 300 000 < Re 600 is discussed. angle drag coefficient are also presented. results show that the increasing affecting formation vortex shedding, point coefficient. agreement was good, confirming reliability predicted data from dynamic in analysis at
The present work aims to numerically investigate the effect of varying turning angle, o = 30° - 180° on performance 3D diffuser and develop correlations via integrating angle using Asymptotic Computational Fluid Dynamics (ACFD) technique. Among all turbulence models examined, best validated results were obtained with Reynold Stress Model enhanced wall treatment =1.0 was applied for intensive simulation. As increased from 30˚ 180˚, pressure recovery reduced by 89.3% flow uniformity index...
The present work aims to numerically investigate the effect of varying turning angle, ϕ = 30° - 90° on performance 2-D diffuser and develop correlations via integrating angle using Asymptotic Computational Fluid Dynamics (ACFD) technique. Standard k-ε adopting enhanced wall treatment y+ ≈ 1.1 appeared as best validated model represent actual cases with deviation ±4.7%. Results show that pressure recovery, Cp flow uniformity, σout are distorted respectively 37% 28% increment from 90°....
The geometry of a curved diffuser often inviting the flow to separate.The separation phenomenon plays vital role in recovery pressure inside diffuser.Besides, geometrical and operating aspects have always been taken into consideration most relatable researches.Pressure uniformity steady, developed entering turbulent circularsectioned 180° has investigated numerically by varying parameters.The with area ratio (2, 3 4), radius inlet curvature respectively 50 mm 180 was considered.Different...
Abstract A multi module and evolving cloud based well test equipment selection, surveillance monitoring tool has been developed to ensure optimum field specific selection of testing equipment's for life-cycle operability can be utilized real time on accuracy performance installed MPFMs during operations. The consists three modules each used at different project phase namely early sizing (FEL 0/1), verification 2/3), commissioning (Operation). This paper covers the methodology demonstrate fit...
Abstract With most industries intensifying efforts towards net zero carbon emissions, new upstream oil and gas developments strive to deliver sustainable facilities design with continuous emissions from day one. It can be challenging however, for fields that face high subsurface uncertainties, laden export constraints. This paper provides insights into series of rigorous techno-commercial considerations outcome a abatement-specific concept assessment exercise adopted Design-to-Value (D2V)...
The aim of this study is to investigate the flow pattern behaviour by using computational fluid dynamic (CFD) approach.The square profile was chosen in purpose have a better understanding which relevant engineering applications.Numerical simulation performed on various turbulence models with range Reynolds number from 6000 80000 three incidence angles 0°, 15°, and 30°.Mesh dependency coarse, base fine meshes.Fine mesh standard k-ω were as best meshing model perform due capability terms less...
Diffuser is a fluid mechanical device which allows the recovery of pressure energy from flow on outlay kinetic energy.Performance turning diffuser evaluated primarily by coefficient, and uniformity, .The varying geometrical operating parameters could alter performance diffuser.Hence, this study aims to investigate effect angle turn, 2-D curved develop correlations.The turn was varied 30 °to 180 °.The evaluation for diffusers done using ANSYS Fluent with most appropriate turbulence model...