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whm0827銅蟲 (小有名氣)
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[求助]
請高手幫忙翻譯個句子
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| The diurnal evaporative emissions measurement enclosure shall be equipped with an internal blower or blowers coupled with an air temperature management system (typically air to water heat exchangers and associated programmable temperature controls) to provide for air mixing and temperature control. The blower(s) shall provide a nominal total flow rate of 0.8 ± 0.2 ft3/min per ft3 of the nominal enclosure volume, Vn. The inlets and outlets of the air circulation blower(s) shall be configured to provide a well-dispersed air circulation pattern that produces effective internal mixing and avoids significant temperature or hydrocarbon and alcohol stratification. The discharge and intake air diffusers in the enclosure shall be configured and adjusted to eliminate localized high air velocities which could produce non-representative heat transfer rates between the engine fuel tank(s) and the air in the enclosure. The air circulation blower(s), plus any additional blowers if required, shall maintain a homogeneous mixture of air within the enclosure. |
木蟲 (正式寫手)
| 晝夜蒸發(fā)排放測量箱需要配備一個內置風機或連接溫度管理系統(tǒng)(較為典型的是空氣至水的熱交換器及相關的可編程溫度控制器)的多個風機,以便提供空氣混合和溫度控制功能。風機應提供每ft3標準測量箱體積Vn0.8±0.2 ft3/min的總額定流量?諝庋h(huán)風機的入口和出口的配置應提供合理分布的空氣循環(huán)模式,產生有效的內部混合,避免顯著的溫度差異或碳氫化合物和酒精的分層。測量箱的排氣和進氣的配置應消除局部的高空氣流速,(因為)后者會導致不具代表性的發(fā)動機油箱和測量箱內空氣之間的熱傳遞率?諝庋h(huán)風機及其他所需的附加風機應在測量箱中維持均勻的空氣混合。 |
榮譽版主 (文壇精英)
非線性控制領域新人一枚
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銅蟲 (小有名氣)
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