인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
The purpose of this study is to investigate the effects of fan-shaped baffle configurations on the heat transfer coefficient and pressure drop in a shell-and-tube heat exchanger. Usually, a shell-and-tube heat exchanger is equipped with plate-type baffles generating turbulent flow, enhancing heat transfer. However, a promotion in turbulence also leads to a rise in the pressure drop of the shell-side flow, resulting in higher operational costs for the heat exchanger. To investigate the effect of the baffle on the performance of the shell-and-tube heat exchanger, several designs of baffles were analyzed, including configurations without baffles, with single and double-segment baffles, and double, triple and quadruple fan-shaped baffles. Numerical simulations were conducted using ANSYS CFX 2024 R2. The results indicated that the conventional segment baffle had the highest heat transfer coefficient, pressure drop, and heat transfer rate. However, it is noted that some configurations of fan-shaped baffles showed the higher thermal enhancement factors than conventional baffles.
본문·목차
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