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基于改進(jìn)和聲搜索的地鐵通風(fēng)策略?xún)?yōu)化
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西安建筑科技大學(xué)

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Optimization of Subway Ventilation Strategy Based on Improved Harmonic Search
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    摘要:

    中國城市軌道交通正處于快速建設中,進(jìn)一步改善車(chē)站內環(huán)境并降低車(chē)站運行能耗成為實(shí)現軌道交通高質(zhì)量發(fā)展的關(guān)鍵途徑。其中,通風(fēng)系統在地鐵環(huán)控系統總能耗中占比17%。為了在兼顧站內空氣品質(zhì)與舒適性的同時(shí),減小系統末端風(fēng)機能耗,模擬分析了西安某地鐵站的空調負荷,建立了負荷預測模型并計算目標送風(fēng)量,采用改進(jìn)多目標和聲搜索算法優(yōu)化逐時(shí)送風(fēng)量。通過(guò)與傳統運行策略對比分析發(fā)現,優(yōu)化后站內溫度有明顯提升,并且與室外保持約4 ℃的溫差,滿(mǎn)足車(chē)站內乘客暫時(shí)熱舒適需求,在維持站內CO2濃度低于健康濃度限值的前提下,通風(fēng)系統節能率達22.7%。

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    China's urban rail transit is under rapid construction. Further improving the station environment and reducing the station operation energy consumption has become a key way to achieve high-quality development of rail transit. Among them, the ventilation system accounts for 17% of the total energy consumption of the metro environmental control system. In order to reduce the energy consumption of the fan at the end of the system while taking into account the air quality and comfort of the station, the air conditioning load of a subway station in Xi 'an was simulated and analyzed. The load prediction model was established, and the target air supply volume was calculated. The improved multi-objective sound search algorithm was used to optimize the hourly air supply volume. Through comparison and analysis with the traditional operation strategy, it is found that the temperature inside the station is significantly increased after optimization, and the temperature difference between the station and the outdoor is about 4 ℃, which meets the temporary thermal comfort needs of passengers in the station. Under the premise of maintaining the CO2 concentration in the station is lower than the healthy concentration limit, the energy saving rate of the ventilation system reaches 22.7%.

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李政普.基于改進(jìn)和聲搜索的地鐵通風(fēng)策略?xún)?yōu)化計算機測量與控制[J].,2024,32(6):256-261.

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歷史
  • 收稿日期:2023-11-28
  • 最后修改日期:2023-12-24
  • 錄用日期:2024-01-02
  • 在線(xiàn)發(fā)布日期: 2024-06-18
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