THERMODYNAMIC PERFORMANCE EVALUATION FOR HELICAL PLATE HEAT EXCHANGER BASED ON SECOND LAW ANALYSIS

被引：0
|
作者：
El-Said, Emad M. S. [1 ]
Abdulaziz, Mohamed [2 ]
Awad, Mohamed M. [3 ]
机构：
[1] Fayoum Univ, Fac Engn, Mech Engn Dept, Al Fayyum, Egypt
[2] SIMTRAN, Reutlingen, Baden Wurttembe, Germany
[3] Mansoura Univ, Fac Engn, Mech Power Engn Dept, Mansoura 35516, Egypt
来源：
PROCEEDINGS OF THE ROMANIAN ACADEMY SERIES A-MATHEMATICS PHYSICS TECHNICAL SCIENCES INFORMATION SCIENCE | 2018年 / 19卷
关键词：
Helical plate; CFD; Heat exchanger; Second law analysis; EXERGY LOSS; OPTIMIZATION; SHELL; TUBE;
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Second-law analysis has affected the design methodology of different heat and mass transfer systems to minimize the entropy generation rate, and so to maximize system available work. In this paper, thermodynamic performance evaluation for helical plate heat exchanger (HPHE) based on second law analysis is studied. The entropy generated per unit amount of heat transferred and by friction are investigated in the entropy generation analysis. A three-dimensional numerical simulation of a whole plate heat exchanger with is earned out by using computational fluid dynamics (CFD) code of Ansys 16.2 for modeling and computational calculations. Helical plate with different pitch ratios and different flow channel cross section aspect ratio were studied for variation of Reynolds numbers. The results showed that the maximum total entropy generation is 0.074 in case of pitch ratio and aspect ratio 1.31 and 0.67 respectively.
引用
收藏
页码：237 / 242
页数：6
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