Influence of Fluid Charge Rate on Gravity Assisted Heat Pipe Performance at Low Temperatures
Journal Title: Mehmet Akif Ersoy Üniversitesi Uygulamalı Bilimler Dergisi - Year 2018, Vol 2, Issue 2
Abstract
The heat pipe is an effective heat transfer device. Thermosyphon is a closed, vacuumed, fluid contained and generally pipe shaped heat transfer device. It ensures high heat transfer even at very low temperature differences. Heat pipes have very wide utilization fields. Therefore, many studies have been carried out to improve the thermal performances of heat pipes. In this study, the effect of the fluid charge rate on the operation of the heat pipe was examined. To do this, a heat pipe model with a diameter of 25 mm was created. The heat pipe's evaporator, condenser and adiabatic lengths are 2m, 1m and 0.1m respectively. The heat pipe has been examined for various fluid charge rates and different heat source temperatures. The increase in fluid charge rate has been seen to have a negative impact on the operation of the heat pipe, particularly at low temperatures. In addition, at low temperatures the acetone performed better heat transfer than the methanol. At high temperatures, the methanol performed better heat transfer than the acetone.
Authors and Affiliations
Ragıp Yıldırım, Abdullah Yıldız, Ahmet Özsoy
Keywords
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- EP ID EP418322
- DOI 10.31200/makuubd.448587
- Views 136
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