Heat Pipe Science and Technology, An International Journal
年間 4 号発行
ISSN 印刷: 2151-7975
ISSN オンライン: 2151-7991
PERFORMANCE ENHANCEMENT OF TWO PHASE THERMOSYPHON SOLAR WATER HEATER USING SURFACTANT
巻 5,
発行 1-4, 2014,
pp. 663-671
DOI: 10.1615/HeatPipeScieTech.v5.i1-4.770
要約
In this study the thermal performance of two different wickless heat pipe solar collectors were investigated by using pure water and water-surfactant for different coolant mass flow rates and tilt angles (20°, 31.5°, 40°, 50° and 60°). First collector uses only pure water; the second one utilizes water with 150 ppm 2-ethyl-hexanol as coolant for the investigation. Experiments were carried out for the two collectors under same experimental conditions. It is observed that the performance of the solar collector that uses 2-ethyl-hexanol surfactant with water as coolant is better compared to solar collectors that utilize pure water.
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