- Fluid Dynamics and Turbulent Flows
- Heat Transfer Mechanisms
- Turbomachinery Performance and Optimization
- Building Energy and Comfort Optimization
- Aerodynamics and Fluid Dynamics Research
- Sustainable Building Design and Assessment
- Solar Radiation and Photovoltaics
- Mechanical Circulatory Support Devices
- Cardiac Structural Anomalies and Repair
- Hybrid Renewable Energy Systems
- Fluid Dynamics and Vibration Analysis
- Photovoltaic System Optimization Techniques
- Wind Energy Research and Development
- Energy and Environment Impacts
- Solar Thermal and Photovoltaic Systems
- Smart Grid Energy Management
- Energy Load and Power Forecasting
- Cyclone Separators and Fluid Dynamics
- Global Energy and Sustainability Research
- Venous Thromboembolism Diagnosis and Management
- Computational Fluid Dynamics and Aerodynamics
- Fluid Dynamics Simulations and Interactions
- Solar Energy Systems and Technologies
- Aerosol Filtration and Electrostatic Precipitation
- Genetic and phenotypic traits in livestock
Tun Hussein Onn University of Malaysia
2014-2024
Universiti Tenaga Nasional
2023-2024
Malaysia University of Science and Technology
2023-2024
Jordan University of Science and Technology
2019
Modibbo Adama University of Technology
2018
Alaska Heart and Vascular Institute
2016-2017
Tenaga Nasional Berhad (Malaysia)
2015
Iwate University
2011-2013
The study aims at developing an analytical assessment model for use in assessing building energy consumption and associated greenhouse gas (GHG) emission characteristics. methodology includes selecting appropriate indicators, tool development description, indicators carbon characteristics assessment, performance evaluation. measured are renewable adoption (REA), overall roof thermal transfer values (OTTV), (RTTV) (U-value), natural ventilation daylighting access (NVA) (NDA), comfort index...
Abstract This experiment was conducted in animal production fields of College Agriculture, Tikrit University, for the period from August 28, 2023, to September 11, and included 12 local lambs, ages 7-8 Months, with an average weight 40.3 kg/lamb, randomly distributed into three groups (4 lambs/group) The first group represented control without transport anti-stress second transported anti-stress, third injected anti-stressor BUTAFOS ATP hour before transport. A Kia pickup (2 tons) over a...
The wind is an energy source that has the properties of a clean, free, and readily available source. However, efficiency existing rotors used to harness power still not satisfactory. Thus, in this current study, development aerodynamic performance investigation ten NACA airfoils comprising five symmetrical non-symmetrical have been analyzed through computational fluids dynamic (CFD) simulation approach. main motive study was investigate be on vertical axis turbine (VAWT), which will assist...
The role of routine right heart catheterizations (RHCs) in left ventricular assist device (LVAD) patients is undefined. We analyzed 105 continuous-flow LVAD recipients who underwent an RHC approximately 3 months after implant. In 38 patients, speed was ramped with the goal optimizing hemodynamics. Our cohort consisted 71 (68%) HeartMate II (HMII) and 34 (32%) HeartWare (HVAD) patients. Thirty (29%) had either a reduced cardiac index (CI ≤ 2.2 L/min/m), elevated pulmonary capillary wedge...
Wind power is an energy source that becoming alternative to burning fossil fuels may harm the environment during operations due emission of harmful gases.In this study, simulation and performance investigations a counter-rotating vertical axis wind turbine (VAWT) based on Savonius S-type rotor have been analysed through computational approach.The foremost motive study widen operating speed range concept in VAWT while enhancing conversion efficiency single-rotor system.The 3D simulations were...
Agriculture, constituting 17% of India's GDP and employing 58% the population, faces productivity challenges without comprehensive knowledge soil, crops, weather. To enhance predictability, machine learning techniques integrate historical data with live inputs from sensors IoT devices. This study employs diverse classifiers—SVM, RF, Linear Regression, Naive Bayes, Decision Trees—leveraging their unique strengths. Remarkably, Random Forest classifier emerges as a potent tool for forecasting...
Recent decades show a massive demand increment toward clean sources of energy as the world is experiencing industrial and technological revolutions. Among various resources, wind solar can be utilized effectively. This study aims to potentials in Jeddah, Saudi Arabia while identifying seasonal variations energies city. The essentiality relies on added benefits country where this research help finding other alternatives than fossil fuel. Weibull distribution function Angstrom techniques were...
Precision farming is one of the important areas to ensure food security by coping with climate change and increase farmer’s productivity. Plant factory aspects precision recently sought attention among modern farmers in Malaysia. While ensuring continuous supply crops throughout year increased quality yield, plant factories consume large amount energy maintain their micro-climatic condition. This paper presents consumption profiling a factory, owned Malaysian Agricultural Research...
This study presents an analysis of wind power potentials for two meteorological stations in the eastern part Malaysia using statistical Weibull distribution method over a period ten years stretching from 2010 to 2019.As estimation resource is crucial towards planning energy project, primary objective this reveal characteristics and selected sites.The results show that highest annual average speed was 3.4 m/s at Kudat station 2.3 Santubong station.The maximum shape scale parameters were...
In Malaysia, government initiatives and policymakers play significant role in creating effective strategies aiming at enhancing the usage of residential, industrial commercial solar PV systems. However, most barrier to widespread adoption photovoltaic (PV) systems is their high installation costs; as a result, numerous studies on system modification are now being conducted. Several simulation tools available for efficient extensive integration energy. To predict energy output using climate...
The unsteady three dimensional flow simulation around sphere using numerical computational fluid dynamic for moderate Reynolds Number between 20 ≤ Re 500 is presented. aim of this work to analyze the regimes and separation. Extensive comparisons were made present predicted results available experimental investigations, showed that they are in close agreement. show vortex shedding increases with number. separates early when number increases, therefore separation angle found be smaller high present.
This paper presents thermal and aerodynamics investigations of multiple cooling holes with shallow hole angle. Three test models have been considered namely TMA, TMB TMG. is acting as the baseline model having 35° angle holes. The other two models; TMA TMG, a 20° different lateral pitch distance 6D 3D respectively. Total twenty conventional cylindrical arranged to form five times four matrix. All three in only for investigation. film effectiveness has measured by means infrared thermography...
Many energy efficiency measures were proposed to reduce the high demand in hospitals.Solar chimney is a form of passive solar heating and cooling system that can be used for temperature regulation ventilation building This paper explores chimney's performance terms air changes per hour (ACH) Malaysian tropical climate thus, investigated its feasibility hospitals.A 2D CFX model simulated at four different times (8 am, 10 2pm 4 pm).Openings provided bottom top right cabin with dimension 1 m...
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...
Overview on National Renewable Energy Policy and Action Plan of Malaysia is presented. Highlights updates the matter are discussed, focusing more towards increasing awareness progress renewable energy sector in Malaysia. The present indicates a bright future ahead for but yet apposite monitoring its essential to ensure growth all available resources.
Green Building Index (GBI) and Real Estate (GreenRE) are the two existing green building assessment tools specifically design developed for Malaysian tropical weather, environmental development context, cultural social needs. GBI 15 GreenRE have 4 therefore, only four were compared. The total credits allocation 100/154Cr, 100/183Cr 100/184Cr parameters of 39Pr/24Pr, 51Pr/29Pr 44Pr/30Pr RNB, NRNB, NREB GBI/GreenRE respectively. Among criteria, energy, water, indoor outdoor qualities given...
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...
Solar chimney is very useful in terms of improving indoor thermal comfort.There are not many studies or simulation that have been done for a converging duct solar A CFD model simulated this study using ANSYS Workbench 19.2 to find out the effect convergent velocity and air changes per hour developed numerical model.Solar mainly used hot climate as passive cooling system can regulate temperature increases ventilation.The data needed simulate taken from previous study.Using fluid flow (CFX) 2D...
The present study aims to provide insight on energy profiling of a residential college in public university. involves electrical monitoring for six months from the month March until August 2017. data utilized derive average monthly consumption both semester period and break. during break has been recorded increase as much 88% building index be at 22.90 kWh/m2/year meanwhile intensity was 1,932.08 kWh/occupant/year.
This paper presents the investigation on effects of blowing ratio multiple shallow angle film cooling holes. Multiple holes having a hole (θ = 20°), arranged to perform in-line configuration has been considered in present study. The focuses high effectiveness which have carried out at Re D 3100 and BR 2.0, 3.0 4.0. experiments make use IR camera capturing surface temperature determine effectiveness. contours distribution together with plots laterally average along x/D are presented....
The objective of the present study is to investigate aero-thermal interaction secondary air injected from multiple shallow angled film cooling holes. focus on influence freestream turbulence effectiveness and flow field. For experiments, infrared thermography Laser Doppler Velocimetry (LDV) were employed. experiments conducted at a Reynolds number based hole diameter, ReD = 6200 blowing ratio, BR 1.0 2.0. Two flat plate test models; TMA TMG, have been considered, which involved twenty...
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
Purpose The purpose of this study is to develop a set parameters universally acceptable for assessing design and construction strategies reducing operational energy usage its associated greenhouse gas (GHG) emission. Also, the are intended estimate quantity GHG emission reduction over assessment period. Design/methodology/approach This used five steps framework comprising definition purpose, selecting candidate parameters, criteria selection description, proposed defining parameters. were...