EXPERIMENTAL STUDY ON THE EFFECT OF HEAT LOADS, FILL RATIO AND EXTRA VOLUME ON PERFORMANCE OF A PARTIAL-VACUUMED THERMOSYPHON

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MIRSHAHI H.; RAHIMI MASOUD

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF CHEMICAL ENGINEERING Year:2009 | Volume:6 | Issue:4 Page(s): 15-26

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Title

EXPERIMENTAL STUDY ON THE EFFECT OF HEAT LOADS, FILL RATIO AND EXTRA VOLUME ON PERFORMANCE OF A PARTIAL-VACUUMED THERMOSYPHON

Author(s)

MIRSHAHI H. | RAHIMI MASOUD | Issue Writer Certificate

Keywords

ENERGY RECOVERY

THERMOSYPHON

HEAT TRANSFER

PERFORMANCE

PARTIAL VACUUM

FILL RATIO

Abstract

This paper reports a study on the effect of the heat flux, cooling water flow rate, FILL RATIO and extra volume on the overall PERFORMANCE of a partially vacuumed THERMOSYPHON. A rig was made from a 1 m copper tube with an inner and outer diameter of 17.5 and 19 mm. The heights of the evaporator, the adiabatic section and the condenser are 40, 20 and 40 cm, respectively. The temperatures at different places on the THERMOSYPHON and on the inlet/outlet of the cooling water were measured. It was observed that change in heat flux, FILL RATIO and employing different extra volumes, has a significant effect on its PERFORMANCE. On the other hand, with changes in the cooling water flow rate the PERFORMANCE of the THERMOSYPHON was altered regarding the trapped air movement. In order to illustrate the effect of the existence of air in deactivating the THERMOSYPHON, the pipe was cooled down by disconnecting the evaporator power input. It was seen that the THERMOSYPHON loses its PERFORMANCE as the trapped gas occupies the whole condenser. The whole study shows that due to the existence of the trapped air, the heat loads can have significant effects on the THERMOSYPHON PERFORMANCE.

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APA: Copy

MIRSHAHI, H., & RAHIMI, MASOUD. (2009). EXPERIMENTAL STUDY ON THE EFFECT OF HEAT LOADS, FILL RATIO AND EXTRA VOLUME ON PERFORMANCE OF A PARTIAL-VACUUMED THERMOSYPHON. IRANIAN JOURNAL OF CHEMICAL ENGINEERING, 6(4), 15-26. SID. https://sid.ir/paper/298295/en

Vancouver: Copy

MIRSHAHI H., RAHIMI MASOUD. EXPERIMENTAL STUDY ON THE EFFECT OF HEAT LOADS, FILL RATIO AND EXTRA VOLUME ON PERFORMANCE OF A PARTIAL-VACUUMED THERMOSYPHON. IRANIAN JOURNAL OF CHEMICAL ENGINEERING[Internet]. 2009;6(4):15-26. Available from: https://sid.ir/paper/298295/en

IEEE: Copy

H. MIRSHAHI, and MASOUD RAHIMI, “EXPERIMENTAL STUDY ON THE EFFECT OF HEAT LOADS, FILL RATIO AND EXTRA VOLUME ON PERFORMANCE OF A PARTIAL-VACUUMED THERMOSYPHON,” IRANIAN JOURNAL OF CHEMICAL ENGINEERING, vol. 6, no. 4, pp. 15–26, 2009, [Online]. Available: https://sid.ir/paper/298295/en

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