Omar Rafae Alomar
Research Interests• Modeling and simulation of energy conversion systems • Reactive flows and phase change process in porous and heterogeneous media • Renewable and sustainable energy sources • System optimization and uncertainty analysis • Multi-mode heat and mass transfer in porous and heterogeneous media • Algorithms and computational fluid dynamics (CFD) for simulation of complex multi-physical systems • Nanofluids inside porous media • Internal combustion engine and refrigeration and air-conditioning systems
| Gender | MALE |
|---|---|
| Place of Work | Presidency |
| Department | Office of the University President |
| Position | Vice-Chancellor of President University for Scientific Affairs |
| Qualification | Phd |
| Speciality | Thermal Engineering |
| omar.alomar@ntu.edu.iq | |
| Phone | +9647760868060 |
| Address | Al-Minsa Street, Nineveh, Mosul, Iraq |
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AUIQ AWARD 2024
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TOP 2% Scientists in the world 2024
Skills
• Extensive knowledge of system modeling and simulation (CFD, parallel computation, dynamic modeling and control) (100%)
• Extensive knowledge of energy conservation systems (phase change process in porous media, multi-mode heat transfer, biodiesel and solar energy) (100%)
• Extensive knowledge of energy conservation systems (phase change process in porous media, multi-mode heat transfer, biodiesel and solar energy) (100%)
• Knowledge of combustion experiments (characteristics of engine performance and emissions analysis) (100%)
Academic Qualification
PhD
Oct 1, 2011 - Sep 16, 2016Thermal Engineering
MSc
Oct 1, 2001 - Feb 1, 2004Thermal Engineering
BSc
Oct 1, 1997 - Jul 1, 2001Mechanical Engineering
Working Experience
Scientific Affairs [Vice-Chamcellor of President University for Scientific Affairs]
Sep 1, 2021 - PresentNorthern Technical University
Publications
Enhancement of the performance of the PV/T collector by nano technology: A short review
Apr 6, 2026Journal Environmental Progress & Sustainable Energy
DOI 10.1002/ep.70065
Volume 44
I. M. Khudhur, O. K. Ahmed, O. Alomar
Performance of solar air heater collector with jet impingement and V-corrugated absorber plate: A comprehensive investigation towards high-efficiency applications in sustainable buildings trends
Mar 1, 2026Journal Solar Compass
DOI 10.1016/j.solcom.2025.100152
Amina Natheer Abdulla, O. Alomar
Performance improvement of solar air heater system using perforation jet impingement with V-corrugated absorber plate integrated with thermal storage material
Mar 1, 2026Journal Journal of Energy Storage
Amina Natheer Abdulla, O. Alomar
Improving Solar Air Heater Collector Performance With Coil Tube Filled by Phase Change Material Under Opposing Flow Forced Convection
Feb 1, 2026Journal Energy Storage
Volume 8
Ahmed Mustafa Saleem, O. Alomar
Impacts of Collector Geometry on Performance of Solar Air Heater System under Forced and Natural Air Circulation Processes
Feb 1, 2026Journal Energy Storage and Saving
DOI 10.1016/j.enss.2025.08.002
M. M. M. Salih, Mohd Azmi Ismail, O. Alomar, Khaled Al-attab
Improving Solar Air Collector Performance With Glass Balls and Metal Fibers
Nov 30, 2025Journal Energy Storage
Volume 7
F. H. Merie, O. K. Ahmed, O. Alomar, Sameer Algburi
Performance analysis of single‐Basin single slope solar water still system integrated with phase change material and porous structure
Sep 5, 2025Journal Environmental Progress & Sustainable Energy
DOI 10.1002/ep.70093
Volume 44
O. Alomar, Mothana M. Mohamed Salih, M. A. Basim
Improvement of the Performance of Solar Underfloor Heating System Integrated With Phase Change Material
Aug 1, 2025Journal Energy Storage
Volume 7
O. Hamdoon, Ziad M. Almakhyoul, O. Alomar, Sarah Khalil
Performance analysis of hybrid PVT-STC system integrated with porous medium and phase change material
Jun 1, 2025Journal Applied Thermal Engineering
DOI 10.1016/j.applthermaleng.2025.127115
Omar Hamada, O. Alomar
Performance of Double‐Pass Storage Solar Air Heater Using Two Types of Porous Media and Fin Plate
Apr 22, 2025Journal Energy Storage
Volume 7
Taiser I. Saqar, Omer K. Ahmed, O. Alomar, Sameer Algburi
Energetic, Economic Environmental Analysis for Photovoltaic Grid-Connected Systems under Different Climate Conditions in Iraq
Feb 1, 2025Journal Cleaner Energy Systems
DOI 10.1016/j.cles.2025.100180
O. Alomar, Noor Moneer Basher, Omar Mohammed Ali, Abdulrahman Salih, Nabeel M. Abdulrazzaq, Sarkaft M. Samad
Analysis of Heat Transfer inside Rectangular Micro-Channel with Wavy Surface and Hybrid Nanofluids
Jan 1, 2025Journal Frontiers in Heat and Mass Transfer
B. N. Abdullah, K. H. Mohammed, A. H. Soheel, B. M. Ali, O. Alomar
Analysis of Air Conditioning Unit Performance Due to Variations in Water Cooling Temperature Using an Extra Cooling Water Loop
Jan 1, 2025Journal Frontiers in Heat and Mass Transfer
Noor Moneer Basher, O. Alomar, Omar Mohammed Ali, Diyar Abdullah Ahmed
Impacts of Environmental Conditions on Thermal, Emissions and Economic Performance of Gas Turbine Using Different Types of Fuels: An Experimental Investigation
Nov 1, 2024Journal Results in Engineering
DOI 10.1016/j.rineng.2024.103402
O. Alomar, B. M. Ali, O. M. Ali, Ahmed N. Mustafa
Recent improvements on the performance of solar water distiller system: a systematic review
Sep 4, 2024Journal International Journal of Ambient Energy
DOI 10.1080/01430750.2024.2389978
M. A. Basim, O. Alomar
Impacts of Adding Porous Media and Phase Change Material on Performance of Solar Water Distiller System Under Iraq Climatic Condition: An Experimental Study
Sep 1, 2024Journal Energy Storage
Volume 6
M. A. Basim, O. Alomar
Performance of solar still units and enhancement techniques: A review investigation
Sep 1, 2024Journal Heliyon
DOI 10.1016/j.heliyon.2024.e37693
Volume 10
N. T. Alwan, B. M. Ali, O. Alomar, Nabeel M. Abdulrazzaq, O. M. Ali, R. M. Abed
Recent improvements to heating, ventilation, and cooling technologies for buildings based on renewable energy to achieve zero-energy buildings: A systematic review
Sep 1, 2024Journal Results in Engineering
DOI 10.1016/j.rineng.2024.102769
B. A. Aljashaami, B. M. Ali, S. A. Salih, N. T. Alwan, Milia H. Majeed, Obed M. Ali, O. Alomar, V. Velkin, S. Shcheklein
Social determinants of health and quality of life in children with chronic kidney disease: insights from Saudi Arabia
Aug 24, 2024Journal BMC Nephrology
DOI 10.1186/s12882-024-03710-y
Volume 25
Sawsan Albatati, Yossef S. Alnasser, O. Alomar, T. Alsharidi, H. Almousa, Shahd A Almezel, Arwa Alabdulwahid
Effects of Utilizing Black Glass Balls, Phase Change Material, and Fins on the Performance of the Single-Slope and Single-Basin Solar Water Distiller under Climate Conditions of Mosul City: An Experimental Study
Jul 21, 2024Journal NTU Journal of Renewable Energy
M. A. Basim, O. Alomar
Design and performance analysis of a Joule-Thomson cryocooler systems
Jun 1, 2024Journal Energy Reports
DOI 10.1016/j.egyr.2024.04.034
A. L. Tarish, N. T. Alwan, B. M. Ali, O. M. Ali, Sam Aslan, O. Alomar
Free convective heat transfer induced inside a vented duct having two aligned hot and cold cylinders: An experimental study
May 21, 2024Journal Heat Transfer
Volume 53
O. Alomar, Omar Mohammed Ali, Shaswar Omar Osman Al‐Omar
Impacts of geometric configurations on performance of discharge coefficient and wall pressure of Venturi meter under high Reynolds number
Apr 25, 2024Journal International Journal of Ventilation
DOI 10.1080/14733315.2024.2344992
Volume 23
O. Alomar, H. M. Abd, Husam Naufal Saleh Yassien
Performance of compound parabolic concentrator solar air flat plate collector using phase change material
Mar 1, 2024Journal Applied Thermal Engineering
DOI 10.1016/j.applthermaleng.2023.122224
M. Yousif, O. Alomar, Ahmed Mustafa Saleem
Performance of Thermal Insulation of Different Composite Walls and Roofs Materials Used for Energy Efficient Building Construction in Iraq
Jan 1, 2024Journal Frontiers in Heat and Mass Transfer
Ahmed Mustafa Saleem, Abdullah A. Badr, Bahjat Hassan Alyas, O. Alomar
Impacts of Using AlO Nano Particle to Compressor Oil on Performance of Automobile Air Conditioning System
Jan 1, 2024Journal Frontiers in Heat and Mass Transfer
K. H. Mohammed, Ashraf E. Al-Mirani, B. M. Ali, O. Alomar
Comparative study of different phase change materials on the thermal performance of photovoltaic cells in Iraq's climate conditions
Jan 1, 2024Journal Energy Reports
DOI 10.1016/j.egyr.2023.11.022
M. Mohammed, B. M. Ali, Khalil Yassin, O. M. Ali, O. Alomar
Evaluation of the productivity of biogas from cow manure, vegetables, fruits, and paper waste for operating SI engines
Oct 2, 2023Journal Energy Sources, Part A: Recovery, Utilization, and Environmental Effects
DOI 10.1080/15567036.2023.2262423
Volume 45
N. T. Alwan, O. M. Ali, O. Alomar
Energy, exergy, economical and environmental analysis of photovoltaic solar panel for fixed, single and dual axis tracking systems: An experimental and theoretical study
Oct 1, 2023Journal Case Studies in Thermal Engineering
DOI 10.1016/j.csite.2023.103635
O. Alomar, Omar Mohammed Ali, B. M. Ali, V. Qader, O. M. Ali
Local thermal equilibrium analysis of complete phase change process inside porous diffuser using NanoFluids
Aug 1, 2023Journal Applied Thermal Engineering
DOI 10.1016/j.applthermaleng.2023.120911
O. Alomar, Nabeel M. Abdulrazzaq, Omar Mohammed Hamdoon, Naseer Tawfeeq Alwan
Conjugate local thermal nonequilibrium and non‐Darcy flow inside porous enclosure: Analysis of localized heating and cooling arrangements
Jul 5, 2023Journal Heat Transfer
Volume 52
O. Alomar, Noor Moneer Basher, A. A. Yousif, Q. A. Yousif
Performance of solar vortex engine integrated with the PV panel: Experimental assessment
Jul 1, 2023Journal Renewable Energy
DOI 10.1016/j.renene.2023.119073
Abdullah A. Badr, O. Ahmed, O. Alomar
FREE CONVECTIVE HEAT TRANSFER CREATED FROM HEATED CYLINDER IMMERSED INSIDE DUCT COOLED FROM SIDE
Apr 4, 2023Journal Front. Heat Mass Transf.
O. Alomar, Q. A. Yousif, O. Ali, O. Ali
Enhancement performance of vapor compression system using nano copper oxide lubricant inside compressor and a fluidized bed for condenser cooling
Feb 1, 2023Journal Case Studies in Thermal Engineering
DOI 10.1016/j.csite.2023.102819
A. T. Hussein, A. S. Abedalh, O. Alomar
Performance analysis of single‐pass solar air heater thermal collector with adding porous media and finned plate
Jan 20, 2023Journal Energy Storage
DOI 10.1002/est2.447
Volume 5
O. Alomar, Mothana M. Mohamed Salih, H. M. Abd
Impact of size and location of outflow opening vent on mixed convective heat transfer induced by two aligned heated cylinders immersed in a partially open channel
Jan 11, 2023Journal Heat Transfer
Volume 52
O. Alomar, Renas Hassan Saaeed, O. Ali
Simulation of a gasoline engine performance and thermal efficiency at variables compression ratio
Jan 1, 2023Journal INTELLIGENT BIOTECHNOLOGIES OF NATURAL AND SYNTHETIC BIOLOGICALLY ACTIVE SUBSTANCES: XIV Narochanskie Readings
S. Najm, O. M. Ali, O. Alomar
Experimental assessment of performance for atmospheric vortex engine
Jan 1, 2023Journal INTELLIGENT BIOTECHNOLOGIES OF NATURAL AND SYNTHETIC BIOLOGICALLY ACTIVE SUBSTANCES: XIV Narochanskie Readings
Abdullah A. Badr, Omer K. Ahmed, O. Alomar
Analysis of complete boiling process inside double pipe porous heat exchanger filled with NanoFluids
Jan 1, 2023Journal International Journal of Thermal Sciences
DOI 10.1016/j.ijthermalsci.2023.108461
O. Alomar, K. H. Mohammed, O. Ali, O. Ali
Economic evaluation of the different fuel types utilization in Qayyarah gas power plant
Jan 1, 2023Journal INTELLIGENT BIOTECHNOLOGIES OF NATURAL AND SYNTHETIC BIOLOGICALLY ACTIVE SUBSTANCES: XIV Narochanskie Readings
Ahmed N. Mustafa, O. M. Ali, O. Alomar
An experimental study on performance analysis of solar water distiller system using extended fins under Iraq climatic conditions
Jan 1, 2023Journal INTELLIGENT BIOTECHNOLOGIES OF NATURAL AND SYNTHETIC BIOLOGICALLY ACTIVE SUBSTANCES: XIV Narochanskie Readings
Mohammed A. Mohmood, M. M. M. Salih, O. Alomar, K. H. Mohammed
Efficiency enhancement of solar air heater collector by modifying jet impingement with v-corrugated absorber plate
Nov 1, 2022Journal Journal of Energy Storage
O. Alomar, H. M. Abd, Mothana M. Mohamed Salih
Technical and economic feasibility analysis of a PV grid-connected system installed on a university campus in Iraq
Sep 27, 2022Journal Environmental Science and Pollution Research
DOI 10.1007/s11356-022-23199-y
Volume 30
O. Ali, O. Alomar
Technical, economical and environmental feasibility study of a photovoltaic system under the climatic condition of north Iraq
Sep 15, 2022Journal International Journal of Ambient Energy
DOI 10.1080/01430750.2022.2126004
Volume 44
O. Ali, O. Alomar, Shaaban Ibrahim Mohamed
Importance of scientific research for Achieving Sustainable Development Goals during Covid19 Pandemic: Northern Technical University - A Case Study
Aug 1, 2022Journal Journal of Sustainability Perspectives
A. Al-Attar, O. Alomar, Mohammed Khalid Yousif
Impact of using single heated obstacle on natural convection inside porous cavity under non-Darcy flow and thermal non-equilibrium model: A comparison between horizontal and vertical heated obstacle arrangements
Apr 1, 2022Journal International Communications in Heat and Mass Transfer
DOI 10.1016/j.icheatmasstransfer.2022.105925
Noor Moneer Basher, O. Alomar, I. Mohamed
Effect of Heavy Fuel Combustion in a Gas Power Plant on Turbine Performance: A Review
Feb 28, 2022Journal International Journal of Design & Nature and Ecodynamics
Ahmed N. Mustafa, O. Ali, O. Alomar
Improving the performance of solar air heater using a new model of V‐corrugated absorber plate having perforations jets
Feb 14, 2022Journal International Journal of Energy Research
DOI 10.1002/er.7715
Volume 46
H. M. Abd, O. Alomar, M. M. M. Salih
Energetic and exegetic performance analysis of flat plate solar collector under variables heat transfer coefficient and inlet water temperature
Dec 1, 2021Journal Case Studies in Thermal Engineering
DOI 10.1016/j.csite.2021.101700
Sara Hussien Ali, O. Alomar, O. Ali
Operating of Gasoline Engine Using Naphtha and Octane Boosters from Waste as Fuel Additives
Nov 24, 2021Journal Sustainability
O. Ali, O. Alomar, O. Ali, N. T. Alwan, S. J. Yaqoob, A. Nayyar, S. Askar, M. Abouhawwash
Impact of using triple adiabatic obstacles on natural convection inside porous cavity under non-darcy flow and local thermal non-equilibrium model
Nov 1, 2021Journal International Communications in Heat and Mass Transfer
DOI 10.1016/j.icheatmasstransfer.2021.105760
A. A. Yousif, O. Alomar, A. T. Hussein
Energy and exergy analysis of hybrid photovoltaic thermal solar system under climatic condition of North Iraq
Sep 5, 2021Journal Case Studies in Thermal Engineering
DOI 10.1016/j.csite.2021.101429
O. Alomar, O. Ali
Mixed convection heat transfer from two aligned horizontal heated cylinders in a vented square enclosure
Aug 18, 2021Journal Thermal science and engineering
DOI 10.1016/J.TSEP.2021.101041
Volume 25
O. Ali, O. Alomar
Impacts of adding porous media on performance of double-pass solar air heater under natural and forced air circulation processes
Aug 12, 2021Journal International Journal of Mechanical Sciences
DOI 10.1016/J.IJMECSCI.2021.106738
Volume 210
M. M. M. Salih, O. Alomar, Husam Naufal Saleh Yassien
Improving the Microstructure and Mechanical Properties of Aluminium Alloys Joints by Adding SiC Particles During Friction Stir Welding Process
May 27, 2021Journal Metallography, Microstructure, and Analysis
DOI 10.1007/s13632-021-00743-9
Volume 10
Mohammed H. Ali, Haitham M. Wadallah, M. A. Ibrahim, O. Alomar
Transient behaviour of heat transfer with complete evaporation process in Porous Channel with localised heating using non-Darcian flow and LTNE model
May 18, 2021Journal Heat and Mass Transfer
DOI 10.1007/s00231-021-03080-3
Volume 57
O. Alomar
A thermal nonequilibrium model to natural convection inside non‐Darcy porous layer surrounded by horizontal heated plates with periodic boundary temperatures
Apr 28, 2021Journal Heat Transfer
Volume 50
O. Alomar, I. Mohamed, Q. A. Yousif, H. M. Abd
Natural convection heat transfer from a bank of orthogonal heated plates embedded in a porous medium using LTNE model: A comparison between in-line and staggered arrangements
Feb 1, 2021Journal International Journal of Thermal Sciences
DOI 10.1016/j.ijthermalsci.2020.106692
Volume 160
O. Alomar, Noor Moneer Basher, A. A. Yousif
Analysis of Two-Phase Flow inside Porous Diffuser
Sep 3, 2020DOI 10.4108/eai.28-6-2020.2298176
O. Alomar, I. Mohamed, Q. A. Yousif
Evaluation Optimal Friction Factor Correlation in Turbulent Pipe Flow by Genetic Algorithm
Sep 3, 2020DOI 10.4108/eai.28-6-2020.2297927
Q. A. Yousif, O. Alomar, I. Mohamed, M. Najm
Analysis of effects of Thermal Non-Equilibrium and Non-Darcy Flow on Natural Convection in a Square Porous Enclosure Provided with a Heated L Shape Plate
Sep 1, 2020Journal International Journal of Mechanical Sciences
DOI 10.1016/j.ijmecsci.2020.105704
Volume 181
O. Alomar, Noor Moneer Basher, A. A. Yousif
Performance analysis of triple-pass solar air heater system: Effects of adding a net of tubes below absorber surface
Sep 1, 2020Journal Solar Energy
DOI 10.1016/j.solener.2020.07.041
Husam Naufal Saleh Yassien, O. Alomar, M. M. M. Salih
Analysis of two-phase flow in a double-pipe heat exchanger filled with porous media
Aug 1, 2020Journal International Journal of Heat and Mass Transfer
DOI 10.1016/j.ijheatmasstransfer.2020.119799
Volume 156
O. Alomar, O. Hamdoon, B. M. Salim
Performance analysis of hybrid photovoltaic thermal solar system in Iraq climate condition
Jun 1, 2020Journal Thermal science and engineering
DOI 10.1016/J.TSEP.2019.100359
Volume 17
O. Hamdoon, O. Alomar, B. M. Salim
Experimental study of compound parabolic concentrator with flat plate receiver
Feb 5, 2020Journal Applied Thermal Engineering
DOI 10.1016/j.applthermaleng.2019.114678
Volume 166
H. M. Abd, O. Alomar, F. Ali, M. M. M. Salih
Numerical investigation of two-phase flow in a horizontal porous evaporator with localised heating using non-Darcian flow and two equations model
Dec 6, 2019Journal Heat and Mass Transfer
DOI 10.1007/s00231-019-02784-x
Volume 56
O. Alomar
An experimental investigation of a double pass solar air heater performance: A comparison between natural and forced air circulation processes
Nov 15, 2019Journal Solar Energy
DOI 10.1016/j.solener.2019.09.060
M. M. M. Salih, O. Alomar, F. Ali, H. M. Abd
Analysis of variable porosity, thermal dispersion, and local thermal non-equilibrium on two-phase flow inside porous media
May 25, 2019Journal Applied Thermal Engineering
DOI 10.1016/J.APPLTHERMALENG.2019.03.069
O. Alomar
Numerical Simulation of Natural Convection and Radiation on Performance of uniform Fins Geometry
Apr 1, 2019Journal 2019 International Conference on Advanced Science and Engineering (ICOASE)
DOI 10.1109/ICOASE.2019.8723794
O. Alomar, Q. A. Yousif, I. Mohamed
Effects of varying orifice diameter and Reynolds number on discharge coefficient and wall pressure
Mar 1, 2019Journal Flow Measurement and Instrumentation
DOI 10.1016/J.FLOWMEASINST.2019.01.004
H. M. Abd, O. Alomar, I. Mohamed
Numerical investigation of two-phase flow in anisotropic porous evaporator
Jan 1, 2019Journal International Journal of Thermal Sciences
DOI 10.1016/J.IJTHERMALSCI.2018.08.026
O. Alomar, R. Mohammed, M. Mendes, S. Ray, D. Trimis
Numerical investigation of complete evaporation process inside porous evaporator using staggered and non-staggered grid arrangements
Jul 1, 2018Journal International Journal of Thermal Sciences
DOI 10.1016/J.IJTHERMALSCI.2018.02.022
O. Alomar, M. Mendes, S. Ray, D. Trimis
Numerical investigation of boiling and forced convection heat transfer in inclined porous enclosure using modified enthalpy formulation
Jan 1, 2018DOI 10.1051/MATECCONF/201824001001
Volume 240
O. Alomar, R. Mohammed, K. H. Mohammed
Numerical simulation of complete liquid–vapour phase change process inside porous media: A comparison between local thermal equilibrium and non-equilibrium models
Feb 1, 2017Journal International Journal of Thermal Sciences
DOI 10.1016/J.IJTHERMALSCI.2016.09.014
Volume 112
O. Alomar, M. Mendes, D. Trimis, S. Ray
Simulation of liquid–vapour phase change process inside porous media using modified enthalpy formulation
Jul 1, 2016Journal International Journal of Thermal Sciences
DOI 10.1016/J.IJTHERMALSCI.2016.02.014
Volume 105
S. Ray, O. Alomar
Simulation of complete liquid–vapour phase change process inside porous evaporator using local thermal non-equilibrium model
Aug 1, 2015Journal International Journal of Thermal Sciences
DOI 10.1016/J.IJTHERMALSCI.2015.03.007
Volume 94
O. Alomar, M. Mendes, D. Trimis, S. Ray
Numerical simulation of complete liquid–vapour phase change process inside porous media using smoothing of diffusion coefficient
Dec 1, 2014Journal International Journal of Thermal Sciences
DOI 10.1016/J.IJTHERMALSCI.2014.08.003
Volume 86
O. Alomar, M. Mendes, D. Trimis, S. Ray
Simulation of Complete Liquid-Vapor Phase Change inside Divergent Porous Evaporator
Aug 1, 2014Journal International Journal of Materials, Mechanics and Manufacturing
Volume 2
O. Alomar, M. Mendes, D. Trimis, S. Ray
Wireless Security in UAE : A Survey Paper
Jan 1, 2007Amir S. Kalbasi, O. Alomar, M. Hajipour, F. Aloul