Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Rafeq A. Khalefa"'
Publikováno v:
Polytechnic, Vol 11, Iss 1, Pp 16-21 (2021)
The main objective of this research is to generate the hydrogen gas as a fuel and part of hydroxy gas (HHO) from the drinking water (H2O) using electrolyzing method with a different electrolytes such as sodium hydroxide (NaOH), sodium carbonate (Na2C
Externí odkaz:
https://doaj.org/article/4542bf669ab34e11a1b27ba04457e29e
Publikováno v:
Kirkuk Journal of Science, Vol 13, Iss 1, Pp 156-171 (2018)
The performance of a vertical double pipe heat exchanger was analyzed experimentally under effect of bubble generation by air injection through an air diffuser has many hundreds of very small holes placed at the bottom of the vertical heat exchanger
Externí odkaz:
https://doaj.org/article/8981c1b8811c451ab2f27218abaf9996
Publikováno v:
Case Studies in Thermal Engineering, Vol 13, Iss , Pp - (2019)
The heat transfer enhancement by utilizing hybrid nanofluid is a new class of heat transfer enhancement. In this paper, CFD model with commercial software adopting the finite volume method and SIMPLE algorithm has been conducted. Mixture of Aluminum
Externí odkaz:
https://doaj.org/article/a8626f8a41d9402c91a8416c55e0f253
Autor:
Rafeq A. Khalefa
Publikováno v:
Tikrit Journal of Engineering Sciences, Vol 18, Iss 2, Pp 62-71 (2013)
In this work the effect of spark timing on the spark ignition engines is investigated by computer simulation and experimental test for speeds of (1500,2000,2500,3000 and 3500)rpm at spark timing of (20o,30o,40o,50o and 60o) before TDC for each speed.
Externí odkaz:
https://doaj.org/article/397db79d24f943558878e986d2c4cd1e
Publikováno v:
Polytechnic Journal. 11:16-21
The main objective of this research is to generate the hydrogen gas as a fuel and part of hydroxy gas (HHO) from the drinking water (H2O) using electrolyzing method with a different electrolytes such as sodium hydroxide (NaOH), sodium carbonate (Na2C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ccb8393902a6b62a0802550c52b36ee8
https://doi.org/10.25156/ptj.v11n1y2021.pp16-21
https://doi.org/10.25156/ptj.v11n1y2021.pp16-21
Autor:
Muhamad F. ALbayati, Rafeq A. Khalefa
Publikováno v:
Design Engineering. :3024-3037
The process of improving and developing heat exchanger performance has received a lot of attention, and efforts are still being made by specialized researchers and engineers with a huge investigations to increase rate of heat transfer to lessen the v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b12a77ae70225d9564fac99f40a70787
https://doi.org/10.17762/de.vi.3595
https://doi.org/10.17762/de.vi.3595
Autor:
Muhamad F. Albayati, Rafeq A. Khalefa
Publikováno v:
NTU Journal of Engineering and Technology. 1
The main aim from this research experimentally studied the effect of external power effect like use the active technique which is represented as an air bubble injection on shell side of of U shape double pipe heat exchanger and in this investigations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86c6240c3d33becf18a02b88372523df
https://doi.org/10.56286/ntujet.v1i3.61
https://doi.org/10.56286/ntujet.v1i3.61
Publikováno v:
Egyptian Journal of Chemistry.
This experimental study explores the effect of using compound technique (passive techniques (packing the shell side with small cylindrical aluminium pieces) and active techniques (air injection or bubble generation) were securitized. It is conducted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::077cb775ca9fe5f09eb806a1f64968b7
https://doi.org/10.21608/ejchem.2021.54450.3134
https://doi.org/10.21608/ejchem.2021.54450.3134
Publikováno v:
Kirkuk University Journal-Scientific Studies. 13:156-171
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12d6a042d6e98d637991d605b43a2770
https://doi.org/10.32894/kujss.2018.142500
https://doi.org/10.32894/kujss.2018.142500
Publikováno v:
Case Studies in Thermal Engineering, Vol 13, Iss, Pp-(2019)
The heat transfer enhancement by utilizing hybrid nanofluid is a new class of heat transfer enhancement. In this paper, CFD model with commercial software adopting the finite volume method and SIMPLE algorithm has been conducted. Mixture of Aluminum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7195412b9bfc8cd7b9212701bc7c217
https://doi.org/10.1016/j.csite.2019.100398
https://doi.org/10.1016/j.csite.2019.100398