【摘要】：人的大部分時(shí)間都在室內(nèi)空間中度過,室內(nèi)空氣質(zhì)量直接關(guān)系到人的健康狀況,所以明確室內(nèi)空氣質(zhì)量標(biāo)準(zhǔn),采取相應(yīng)的對(duì)策與措施改善室內(nèi)空氣質(zhì)量,為人們提供一個(gè)安全、健康、舒適的環(huán)境,提高室內(nèi)人員的工作效率和生活質(zhì)量是我們的目標(biāo)。首先,本文研究了民用建筑室內(nèi)空氣質(zhì)量分級(jí)目標(biāo)體系。通過討論我國(guó)現(xiàn)行的室內(nèi)空氣質(zhì)量相關(guān)標(biāo)準(zhǔn),并與發(fā)達(dá)國(guó)家現(xiàn)行的室內(nèi)外空氣質(zhì)量標(biāo)準(zhǔn)相對(duì)比,總結(jié)選取了具有我國(guó)特點(diǎn)的5個(gè)污染物指標(biāo),并因地制宜、因時(shí)制宜地提出針對(duì)這5個(gè)污染物指標(biāo)的室內(nèi)空氣質(zhì)量三級(jí)評(píng)價(jià)標(biāo)準(zhǔn)建議值,明確室內(nèi)空氣質(zhì)量標(biāo)準(zhǔn),為中國(guó)室內(nèi)空氣質(zhì)量標(biāo)準(zhǔn)的進(jìn)一步完善提供建設(shè)性參考。其次,本文采用計(jì)算流體力學(xué)方法分別模擬了一套三室一廳的住宅在不同室內(nèi)甲醛初始濃度下自然通風(fēng)與風(fēng)機(jī)盤管加獨(dú)立新風(fēng)系統(tǒng)的速度場(chǎng)與濃度場(chǎng),以及在不同室外PM2.5濃度下的速度場(chǎng)與濃度場(chǎng)。對(duì)兩種污染物的濃度場(chǎng)分布進(jìn)行分析和比較后發(fā)現(xiàn)：當(dāng)室內(nèi)甲醛含量超標(biāo),室外PM2.5濃度不超標(biāo)時(shí),則自然通風(fēng)是凈化室內(nèi)甲醛的最佳選擇；當(dāng)室外PM2.5濃度超過185μg/m3,不適合采用自然通風(fēng)。最后,還分析總結(jié)了兩種污染物對(duì)室內(nèi)空氣質(zhì)量的共同影響規(guī)律,提出了一套適用于甲醛和PM2.5污染同時(shí)存在情況下的住宅室內(nèi)空氣質(zhì)量?jī)?yōu)化策略。
[Abstract]:People spend most of their time in indoor space. Indoor air quality is directly related to people's health, so it is clear that indoor air quality standards should be defined, and corresponding countermeasures and measures should be taken to improve indoor air quality, so as to provide people with a safe environment. Healthy, comfortable environment, improve indoor staff work efficiency and quality of life is our goal. Firstly, this paper studies the classification target system of indoor air quality in civil buildings. By discussing the current indoor air quality standards in China and comparing them with the existing indoor and outdoor air quality standards in developed countries, this paper summarizes and selects five pollutant indexes with the characteristics of our country, and takes measures according to local conditions. According to the situation of the time, this paper puts forward the suggested value of the three-level indoor air quality evaluation standard for these five pollutant indexes, defines the indoor air quality standard, and provides a constructive reference for the further improvement of the indoor air quality standard in China. Secondly, the paper simulates the velocity field and concentration field of natural ventilation and Fan-Coil Unit plus independent fresh air system under different initial concentrations of formaldehyde in a three-room one-room residence by using computational fluid dynamics method. And the velocity field and concentration field under different outdoor PM2.5 concentration. The distribution of concentration field of two pollutants was analyzed and compared. It was found that natural ventilation is the best choice for purifying indoor formaldehyde when the indoor formaldehyde content exceeds the standard and the outdoor PM2.5 concentration does not exceed the standard. When outdoor PM2.5 concentration exceeds 185 渭 g / m ~ 3, natural ventilation is not suitable. Finally, the common influence of two pollutants on indoor air quality is analyzed and summarized, and a set of indoor air quality optimization strategies suitable for both formaldehyde and PM2.5 pollution are put forward.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：X51

【共引文獻(xiàn)】

相關(guān)期刊論文 前10條

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本文編號(hào)：2185630