The Theoretical Analysis and Experimental Investigation of a Flexible, Lightweight Radiator with Micro Heat Pipes PDF Download
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Author: Yaxiong Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 536
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Author: Yaxiong Wang
Publisher:
ISBN:
Category :
Languages : en
Pages : 536
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Author: Hongbin Ma
Publisher:
ISBN:
Category :
Languages : en
Pages : 414
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Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 698
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Author:
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 1216
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This journal is devoted to the advancement of the science and technology of thermophysics and heat transfer through the dissemination of original research papers disclosing new technical knowledge and exploratory developments and applications based on new knowledge. It publishes papers that deal with the properties and mechanisms involved in thermal energy transfer and storage in gases, liquids, and solids or combinations thereof. These studies include conductive, convective, and radiative modes alone or in combination and the effects of the environment.
Author: Brian V. Borgmeyer
Publisher:
ISBN:
Category : Electronic apparatus and appliances
Languages : en
Pages : 174
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As the conventional heat sinks meet their heat transport limit, the pulsating heat pipe as one of advanced phase-change heat transfer devices will present the next generation of electronics cooling. An experimental and theoretical study was conducted regarding the motion of the liquid and vapor slugs within a pulsating heat pipe. A pulsating heat pipe with non-circular channels was investigated to determine the effect of operating parameters such as working fluid, tilted angle, filled liquid ratio, and heat flux level. The mathematical model theoretically solved for the position and velocity of the liquid and vapor slugs using the modified governing equations for a mechanical forced damped system. For comparison, experimental investigations quantified the position and velocity of the liquid-vapor interface through the use of a high speed camera. The mathematical and experimental investigations explored the effect of the various parameters on fluid motion. Experimental data obtained from the high speed camera did not show good relation to the mathematical model developed, however, the effects of each parameter seen in the model related to experimental observations.
Author:
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 1070
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Author: D. Wu
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 560
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 70
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A combined experimental and analytical investigation was conducted in order to identify and better understand the phenomena which govern the performance limitations and operating characteristics of micro heat pipes - heat pipes so small that the mean curvature of the vapor-liquid interface is comparable in magnitude to the reciprocal of the hydraulic radius of the flow channel. The analytical portion of the investigation began by developing a steady-state model in which the effects of the extremely small characteristic dimensions on the conventional steady-state heat pipe modeling techniques were examined. To further understand the behavior of these types of devices, a transient analytical model was developed, which could be used to predict steady- state and transient behavior during start-up or variations in the evaporator thermal load. In the experimental portion of the investigation, two micro heat pipes, one copper and one silver, in cross-sectional area and in length, were evaluated experimentally to determine the accuracy of both the steady-state and transient model and to provide verification of the micro heat pipe concept. Tests were conducted in a vacuum environment to eliminate conduction and convection losses. (sdw).
Author: Brian Grayson Hager
Publisher:
ISBN:
Category : Heat pipes
Languages : en
Pages : 222
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