Dissertation > Excellent graduate degree dissertation topics show

Research on Building Exterior Window Glass Climate Adaptability of Chongqing

Author: DingZhengLiao
Tutor: DingYong
School: Chongqing University
Course: Heating,Gas Supply, Ventilation and Air Conditioning Engineering
Keywords: Exterior Window Glass Experimental Test Air Conditioners Running Model Thermal Environment Need Climatic Adaptability
CLC: TU111.4
Type: Master's thesis
Year: 2011
Downloads: 44
Quote: 0
Read: Download Dissertation

Abstract

Window is an important part of the building envelope,and which is the weakest link of blocking energy between the indoor and outdoor. Energy consumption caused by window accounts for a large proportion in the whole building energy consumption.?As?paying much more attention to building energy saving from all over the world, energy saving of exterior window has been extensive concerned.?Existing researches mainly focus on a single insulation performance of glass.There is little research reported on the performance requirements?of window glass under different air conditioning run mode. Moreover, the quantitative analysis based on the experimental test is lack.In this dissertation,?basing on the basic theory of built environment and building thermal process,?the?calculation method of solar radiation to the surface of windows was analyzed. Then through selecting suitable solar radiation heat gain coefficients calculation model of exterior window glass, the calculation method of indoor heat gain from outdoor environment was also analyzed.In order to study the effect of different glass different on indoor thermal environment and indoor thermal environment needs under different air conditioning run mode, window glass test platform was built foe experiment testing in summer.There are 24-hour air conditioning modes, day-time air conditioning running model, evening-time air conditioning mode ,night-time air conditioning mode, as well as natural conditions throughout the day to close the window model were compared, and the result indicates that different air conditioning run mode directly affects the enclosure heat of interior architecture and furniture,?resulting the different thermal environment needs under the different air conditioning run mode ,which lead to the different thermal performance needs of window glass.Then, basing on test data, the indoor total heat gain?through various glasses were calculated under the different air conditioners running model for verifing the actual experimental effect. The result indicates that insulation effect of Low-e glass is the most obvious under the 24-hour air conditioning modes and day-time air conditioning running model and the insulation performance of Low-e glass is also better than ordinary single-layer glass and hollow glass under the night-time air conditioning mode that was purely analyzed through the heat transfer for temperature difference.Finally,?basing on the principle of "indoor heat gain minimum" through the glass in summer, the dynamic change of indoor thermal environment need which was changing with the outdoor meteorological under the different air conditioners running model. Based on the analysis above, the thermal performance needs of window glass meeting the climatic adaptability was proposed under the different air conditioners running model.

Related Dissertations

CLC: > Industrial Technology > Building Science > Building the basic sciences > Building physics > Building Pyrology > Building envelope thermal technology
© 2012 www.DissertationTopic.Net Mobile