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Rafeq A. Khalefa

Observed names: Rafeq Ahmad Khalefa, Rafeq Khalefa
ORCID: 0000-0003-0230-7180
Observed ORCID: 0000-0003-0230-7180
OpenAlex ID: A5036054558
Hybrid nanofluid to enhance heat transfer under turbulent flow in a flat tube
2019 · Sheren A. Kaska, Rafeq A. Khalefa, et al. · Case Studies in Thermal Engineering · 76
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The Effect of using Compound Techniques (Passive and Active) on the Double Pipe Heat Exchanger Performance
2021 · Hussein Hamed, Awad Mohammed, et al. · Egyptian Journal of Chemistry · 17
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The Performance of the U Shape Double pipe heat exchanger under effect of using Active Techniques.
2022 · Muhamad F. Albayati, Rafeq A. Khalefa · NTU Journal of Engineering and Technology · 11
Performance Enhancement of the Vertical Double Pipe Heat Exchanger by Applying of Bubbling Generation on the Shell Side
2018 · Sheren A. Kaska, Hussein H. Habeeb, et al. · Kirkuk University Journal-Scientific Studies · 8
Enhancing compression ignition engine performance and exhaust emissions through fuel additives: A comprehensive review
2024 · Marwah E. Basas, Rafeq A. Khalefa · AIP conference proceedings · 2
Performance of a single cylinder direct injection 4-stroke diesel engine under effect of using diesel and naphtha blends
2023 · Marwah E. Basas, Rafeq A. Khalefa · Advances in Mechanical and Materials Engineering
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Experimental Investigation of the Hydroxy Gas Generation as a Clean Energy Source for Spark Ignition Engine Operation Using Different Electrolytes
2021 · Yousef A. Sharif, Saad S. Jasim, et al. · Polytechnic Journal
Experimental Performance Investigation of Domestic Refrigerator Charged by R600a and R134a
2018 · Mahmood H. Khaleel, shereen E. Kaska, et al. · Journal of University of Babylon for Engineering Sciences
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Friction Power Modeling As A Function Of Diesel Engine Speed And Geometry With Predicting Their Effects On Some Performance Parameters
2017 · Rafeq A. Khalefa, Shereen E.Kaska · Thi-Qar University Journal for Engineering Sciences
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The Effect of Spark Timing on the Spark Ignition
2013 · Rafeq A. Khalefa · DOAJ (DOAJ: Directory of Open Access Journals)
The Effect of Spark Timing on the Spark Ignition Engine Performance
2011 · Rafeq Ahmad Khalefa · Tikrit Journal of Engineering Sciences
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Works count: 11
Citation count: 114
H-index: 4
I10-index: 3
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