Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Jalal M. Jalil"'
Autor:
Ammar I. Alsabery, Salah M. Salih, Muneer A. Ismael, Ahmed K. Hussein, Ishak Hashim, Jalal M. Jalil
Publikováno v:
International Journal of Thermofluids, Vol 23, Iss , Pp 100805- (2024)
In this paper, two heated blocks and three flexible baffles that are alternately placed on the upper and bottom sides of a rectangular channel are used to replicate the transient heat and air movement. The novelty of this research is the use of flexi
Externí odkaz:
https://doaj.org/article/c3ff4cce559742eaa36a1e8eb602f714
Autor:
Jalal M. Jalil, Shrooq J. Ali
Publikováno v:
Engineering and Technology Journal, Vol 39, Iss 1A, Pp 79-88 (2021)
This study describes an experimental investigation of the thermal efficiency of stainless steel mesh and steel wool as a porous medium in the lower channel of a double pass solar air heater. An experimental setup was planned and developed. Various ty
Externí odkaz:
https://doaj.org/article/06bf2f45cec64590b1eb4caa09f5a734
Publikováno v:
مجلة النهرين للعلوم الهندسية, Vol 21, Iss 1 (2018)
This study investigated numerically and experimentally fluid flow and heat transfer in the desktop PC. Three patterns of the positions of air inlet and outlet were tested to find the best one for cooling. The computer components in the present study
Externí odkaz:
https://doaj.org/article/f3e42ff669e74e9fbc29752e9c928364
Autor:
Jalal M. Jalil, Ihab Omar Abbas
Publikováno v:
Al-Khawarizmi Engineering Journal, Vol 12, Iss 2 (2017)
In this paper, the problem of developing turbulent flow in rectangular duct is investigated by obtaining numerical results of the velocity profiles in duct by using large eddy simulation model in two dimensions with different Reynolds numbers, filter
Externí odkaz:
https://doaj.org/article/551a02b196e7464fa594f7308687fe6a
Publikováno v:
Engineering and Technology Journal, Vol 32, Iss 2, Pp 325-338 (2014)
In this research , medium carbon steel type (AISI 1045 ) sheets with 8 mm thickness were welded by Gas Metal Arc Welding Process (GMAW), this study included the application of numerical analyses by using control volume method (CVM) to obtain the effe
Externí odkaz:
https://doaj.org/article/e6cb14b97454405aa7509a12388bf65c
Publikováno v:
Engineering and Technology Journal, Vol 31, Iss A 6, Pp 1011-1025 (2013)
Two-dimensional, supersonic flow field computation with by-pass holes has been conducted using Euler equation. An algorithm based on finite difference McCormack's technique is used to solve the subsonic-supersonic flow problem with and without by-pas
Externí odkaz:
https://doaj.org/article/847363702a05470ebe584d11803ce2ea
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 20, Iss 5 (2016)
The present study is focused on the effect of oxygen enrichment (as oxidizer) on the flame characteristics of the premixed flame of Iraqi Liquefied Petroleum Gas (LPG), which consider the first measurement of laminar premixed flame speed for (LPG) wi
Externí odkaz:
https://doaj.org/article/3ecd6e39d0774e939727b3af0df41261
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 20, Iss 3 (2016)
In this work, the effect of using inner longitudinal fins in a rectangular encapsulation on the PCM (paraffin wax) melting process was studied numerically and experimentally. An enthalpy transformation method was used in the numerical solution to tra
Externí odkaz:
https://doaj.org/article/7d5d9a0a074741ccb75c1991c8f9d05f
Autor:
Rafah A. Najim, Jalal M. Jalil
Publikováno v:
Engineering and Technology Journal, Vol 30, Iss 15, Pp 2597-2608 (2012)
Axi-symmetric, steady, incompressible, turbulent flow field developed by natural convection inside power plant solar chimney is investigated numerically using finite volume method. Navier-Stockes with energy equation is solved to achieve velocity com
Externí odkaz:
https://doaj.org/article/402336e6f3724c3fbd2a5e8facc77f31
Autor:
Soundus S. AL-Azaw, Jalal M. Jalil
Publikováno v:
Engineering and Technology Journal, Vol 30, Iss 13, Pp 2315-2340 (2012)
In this study the freezing of foods was studied numerically and experimentally. Different kinds of foods have been studied numerically (Meat, Broccoli, Perch and Banana), while the experimental work is applied to meat only. In numerical solution enth
Externí odkaz:
https://doaj.org/article/d07a1d307fc449ff82091119b9333d6a