本文選題：地下車庫 + 采光通風(fēng)井　； 參考：《華南理工大學(xué)》2015年碩士論文

【摘要】：地下車庫采光通風(fēng)井的設(shè)計(jì)可以改善車庫內(nèi)的光環(huán)境和熱環(huán)境,合理的采光通風(fēng)井設(shè)計(jì)對(duì)人體健康和建筑節(jié)能都有重要意義。本文通過現(xiàn)場實(shí)測和模擬分析的方法對(duì)廣州某住宅區(qū)地下車庫的采光和通風(fēng)進(jìn)行研究,對(duì)其采光通風(fēng)井設(shè)計(jì)的節(jié)能效果進(jìn)行評(píng)價(jià),并針對(duì)其采光通風(fēng)井設(shè)計(jì)存在的問題提出優(yōu)化方案。本文在以下幾個(gè)方面開展工作:第一,簡要回顧國內(nèi)外學(xué)者在地下車庫采光和通風(fēng)方面所做的工作,以及對(duì)地下車庫采光通風(fēng)井的類型進(jìn)行概括總結(jié)。第二,對(duì)廣州嶺南灣畔住宅區(qū)地下車庫的光環(huán)境進(jìn)行實(shí)測和模擬研究。通過對(duì)其光環(huán)境實(shí)測發(fā)現(xiàn),該小區(qū)地下車庫存在設(shè)計(jì)照度值過大、采光通風(fēng)井設(shè)計(jì)不合理、燈具控制方式不合理等問題。對(duì)某一采光井下的采光系數(shù)實(shí)測來對(duì)比驗(yàn)證ECOTECT采光模擬軟件的可行性,并利用軟件對(duì)地下車庫的采光進(jìn)行模擬分析,分析表明采光通風(fēng)井的設(shè)計(jì)可以通過利用天然采光節(jié)省照明能耗。第三,對(duì)廣州嶺南灣畔住宅區(qū)地下車庫的通風(fēng)進(jìn)行實(shí)地測試,通過對(duì)地下車庫內(nèi)1.5m高度處的風(fēng)速、空氣溫度以及壁面溫度和CO濃度的實(shí)測發(fā)現(xiàn),車庫內(nèi)熱環(huán)境受車庫內(nèi)車輛的排熱影響較大,采光通風(fēng)井的風(fēng)壓通風(fēng)作用對(duì)于改善車庫的熱環(huán)境較明顯,依靠自然通風(fēng)可以全部排出汽車廢氣中的CO。采用實(shí)驗(yàn)驗(yàn)證了的FLUENT數(shù)值模擬方法,對(duì)地下車庫的通風(fēng)進(jìn)行模擬分析,結(jié)果表明在夏季典型氣象日車流量最多的時(shí)刻,地下車庫自然通風(fēng)量可以滿足標(biāo)準(zhǔn)規(guī)定,不運(yùn)行風(fēng)機(jī)是可行的,節(jié)省了風(fēng)機(jī)的運(yùn)行能耗。第四,通過對(duì)采光通風(fēng)井的采光特性和不同尺寸正方形采光通風(fēng)井的輻射半徑研究,針對(duì)嶺南灣畔住宅區(qū)地下車庫采光通風(fēng)井設(shè)計(jì)所存在的采光問題,提出5種優(yōu)化設(shè)計(jì)方案,并采用ECOTECT軟件對(duì)不同方案進(jìn)行模擬分析選出采光最優(yōu)方案,然后利用FLUENT軟件驗(yàn)證其通風(fēng)節(jié)能效果,最后對(duì)采光通風(fēng)井的設(shè)計(jì)提出建議與改造措施。
[Abstract]:The design of lighting ventilation well in underground garage can improve the light environment and thermal environment in the garage. Reasonable design of lighting ventilation well is of great significance to human health and building energy saving. In this paper, the lighting and ventilation of underground garage in a residential area in Guangzhou are studied by the method of field measurement and simulation analysis, and the energy-saving effect of the design of lighting ventilation well is evaluated. The optimization scheme is put forward to solve the problems existing in the design of the lighting ventilation well. The main work of this paper is as follows: first, briefly review the work of domestic and foreign scholars in underground garage lighting and ventilation, and summarize the types of underground garage lighting ventilation well. Secondly, the light environment of underground garage in Lingnan Bay Residential District, Guangzhou is measured and simulated. By measuring the light environment, it is found that there are some problems in the underground garage of this district, such as the design illuminance value is too large, the design of daylighting ventilation well is unreasonable, the control mode of lamps and lanterns is not reasonable, and so on. The feasibility of ECOTECT lighting simulation software is compared and verified by measuring the lighting coefficient of a certain lighting underground, and the lighting of underground garage is simulated and analyzed by using the software. The analysis shows that the design of daylighting ventilation well can save lighting energy by using natural lighting. Thirdly, the ventilation of underground garage in Lingnan Bay residential district in Guangzhou is tested. The wind speed, air temperature, wall temperature and CO concentration are measured at 1.5m height in underground garage. The heat environment in the garage is greatly affected by the exhaust heat of the vehicle in the garage. The ventilation effect of the air pressure in the daylighting ventilation well is more obvious to improve the thermal environment of the garage. Depending on the natural ventilation, the CO-exhaust can be completely discharged from the exhaust gas of the vehicle. The FLUENT numerical simulation method is used to simulate and analyze the ventilation of underground garage. The results show that the natural ventilation rate of underground garage can meet the standard requirement at the time when the traffic flow is the most in the typical weather day in summer. It is feasible to not run fan, saving energy consumption of fan. Fourthly, through the study of the lighting characteristics of the lighting ventilation well and the radiation radius of the square diametric ventilation well with different sizes, aiming at the lighting problems existing in the design of the lighting ventilation well of underground garage in the residential area of Lingnan Bay, five optimal design schemes are put forward. ECOTECT software is used to simulate and analyze the different schemes to select the optimal scheme of lighting, and then FLUENT software is used to verify its ventilation and energy saving effect. Finally, suggestions and renovation measures are put forward for the design of daylighting ventilation shaft.
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TU96

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