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Theoretical Studies on Solid Adsorption Rotary Refrigerator solar-powered

Author: LiJianXia
Tutor: ZhengAiPing
School: Chang'an University
Course: Environmental Engineering
Keywords: Solar Adsorption refrigeration Runner Activated carbon fiber Ethanol
CLC: TB651
Type: Master's thesis
Year: 2005
Downloads: 172
Quote: 2
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Abstract


Solar energy is a sustainable use of clean and energy everywhere , solar cooling has been widespread attention due to the demand of the supply of heat and cold on the season and number of highly matched . Adsorption refrigeration harmony with the environment and energy-saving features, making it one of the most promising alternative to traditional compression refrigeration technology has a significant advantage in terms of low-grade energy utilization and environmental protection , and by domestic and foreign scientific and technological work Contributors Follow. In this paper, a preliminary study to carbon fiber - ethanol working pair Solar Solid Adsorption Rotary refrigeration system . Taking into account the currently known solar solid adsorption refrigeration system , the choice of carbon fiber - ethanol as working pair system with a relatively large number of engineering applications advantages , so from a practical point of departure , design a set of activated carbon fiber - ethanol as working fluid solar powered solid adsorption the runner refrigeration system , and the establishment of a mathematical model of the wheel adsorption bed cylindrical structure . Mathematical modeling of adsorption beds along the adsorbent bed week to a one-dimensional uniform pressure field model . Using ANSYS meshing the model , and runner adsorption bed temperature field static simulation results show that the system 's highest COP value up to 0.126 per unit mass of cooling capacity 5.788KW . The mathematical model for the study of activated carbon fibers - ethanol, solar-powered solid adsorption runner refrigeration system parameters and external characteristic parameters of the internal characteristics of the adsorbent bed , more comprehensive and systematic analysis of the changes in these parameters the impact on system performance ( COP ) , balanced by the rate of desorption and adsorption amount . The results showed that : in turning the internal parameters of the adsorbent bed , the turning speed of the adsorbent bed , the filling density of the adsorbent has a greater impact on the system performance ; external parameters , the impact of the inlet flow rate of the cooling gas , the evaporation temperature of the system larger . After further design and optimization of the wheel adsorber has played a positive role in guiding . At the same time , provided the basic data and theoretical basis for in-depth study of the adsorption refrigeration .

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CLC: > Industrial Technology > General industrial technology > Refrigeration Engineering > Refrigeration machinery and equipment > Refrigerator
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