Consisting of All heaters (Thermo fisher scientific) models EX-35 is used to control the hot water temperature of evaporator of the heat pipe. In the third experiment, the temperature is 60 to 70 and 80 oC refrigeration. Using temperature-controlled cooling water for the condensation temperature was held at 20 oC by the working fluid within the heat pipe has three types of R134a ethanol and distilled water, filling a rate of 50% by volume of the evaporator.
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