المؤلفون: Yousef A. Sharif, Saad S. Jasim, Rafeq A. Khalefa, Shivan J. Taher

المصدر: Polytechnic, Vol 11, Iss 1, Pp 16-21 (2021)

مصطلحات موضوعية: hydroxy gas generation, electrolytes, hydroxy gas fuel, clean energy source, alternative fuels, Science

وصف الملف: electronic resource

Relation: https://polytechnic-journal.epu.edu.iq/home/vol11/iss1/4; https://doaj.org/toc/2707-7799

URL الوصول: https://doaj.org/article/4542bf669ab34e11a1b27ba04457e29e

المؤلفون: Sheren A. Kaska, Hussein H. Habeeb, Rafeq A. Khalefa

المصدر: Kirkuk Journal of Science, Vol 13, Iss 1, Pp 156-171 (2018)

مصطلحات موضوعية: heat exchangers, bubble generation, performance improving, vertical heat exchangers, exergy loss, Science

وصف الملف: electronic resource

Relation: https://kujss.uokirkuk.edu.iq/article_142500_62fa82267b22934098efcc5e460e7e3e.pdf; https://doaj.org/toc/3005-4788; https://doaj.org/toc/3005-4796

URL الوصول: https://doaj.org/article/8981c1b8811c451ab2f27218abaf9996

المؤلفون: Sheren A. Kaska, Rafeq A. Khalefa, Adnan M. Hussein

المصدر: Case Studies in Thermal Engineering, Vol 13, Iss , Pp - (2019)

مصطلحات موضوعية: Engineering (General). Civil engineering (General), TA1-2040

وصف الملف: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2214157X16301551; https://doaj.org/toc/2214-157X

URL الوصول: https://doaj.org/article/a8626f8a41d9402c91a8416c55e0f253

المؤلفون: Rafeq A. Khalefa

المصدر: Tikrit Journal of Engineering Sciences, Vol 18, Iss 2, Pp 62-71 (2013)

مصطلحات موضوعية: S.I. Engine, Engine Performance, Engine Simulation, Spark Timing, Engineering (General). Civil engineering (General), TA1-2040

وصف الملف: electronic resource

Relation: http://www.tj-es.com/ojs/index.php/tjes/article/view/116; https://doaj.org/toc/1813-162X; https://doaj.org/toc/2312-7589

URL الوصول: https://doaj.org/article/397db79d24f943558878e986d2c4cd1e

المؤلفون: Muhamad F. Albayati, Rafeq A. Khalefa

المصدر: NTU Journal of Engineering and Technology. 1

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::86c6240c3d33becf18a02b88372523df
https://doi.org/10.56286/ntujet.v1i3.61

المؤلفون: Muhamad F. ALbayati, Rafeq A. Khalefa

المصدر: Design Engineering. :3024-3037

مصطلحات موضوعية: Materials science, Heat exchanger, Heat transfer, General Engineering, Coupling (piping), Mechanics, Gas compressor, Flow measurement, Diffuser (thermodynamics), Fin (extended surface), Volumetric flow rate

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::b12a77ae70225d9564fac99f40a70787
https://doi.org/10.17762/de.vi.3595

المؤلفون: mahmod a abdulqader, Rafeq A. Khalefa, Awad E. Mohammed, Hussein H. Hamed, Omar Abed Habeeb

المصدر: Egyptian Journal of Chemistry.

مصطلحات موضوعية: Materials science, 020209 energy, Heat transfer enhancement, Bubble, 02 engineering and technology, Flow measurement, Volumetric flow rate, 020401 chemical engineering, Thermocouple, Heat transfer, Heat exchanger, 0202 electrical engineering, electronic engineering, information engineering, 0204 chemical engineering, Composite material, Secondary air injection

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::077cb775ca9fe5f09eb806a1f64968b7
https://doi.org/10.21608/ejchem.2021.54450.3134

المؤلفون: Rafeq Ahmad Khalefa

المصدر: Tikrit Journal of Engineering Sciences, Vol 18, Iss 2 (2011)

مصطلحات موضوعية: S.I. Engine, Engine Performance, Engine Simulation, Spark Timing, Engineering (General). Civil engineering (General), TA1-2040

Relation: https://tj-es.com/ojs/index.php/tjes/article/view/500; https://doaj.org/toc/1813-162X; https://doaj.org/toc/2312-7589; https://doaj.org/article/a3298f8f7b004125b45011c0ac14de88

الاتاحة: https://doi.org/10.25130/tjes.18.2.06
https://doaj.org/article/a3298f8f7b004125b45011c0ac14de88