fan chimney 中文意思是什麼
fan chimney
解釋
扇風機出風筒-
The nervous excitement of which we speak pursued valentine even in her sleep, or rather in that state of somnolence which succeeded her waking hours ; it was then, in the silence of night, in the dim light shed from the alabaster lamp on the chimney - piece, that she saw the shadows pass and repass which hover over the bed of sickness, and fan the fever with their trembling wings
瓦朗蒂娜睡著的時候更準確地說是在她醒來后的那種半醒半睡狀態中她仍然處于亢奮狀態那時，夜深人靜，壁爐架上那盞乳白色燈罩射出了昏暗的光線，在這寂靜和昏暗中，她看見那些影子在病床上空一一走過，用它們顫抖的翅膀煽動寒熱。 -
In this paper, the basic and important parts are studied. for example, the capacity of jet fan in tunnel, the flux distribution and resistance loss in the chimney. this approach is capable of modeling multi - dimensional, time dependent nature of fire in a road tunnel, this paper presents the critical ventilation velocity in various heat release rate and smoke release rate for jingfu highway
以京福高速公路美菰林隧道的結構參數為依據，當隧道內發生火災時，對隧道煙霧隨時間的發展擴散過程進行了動態的模擬與研究，得出了不同的火災放熱率、發煙率的情況下，控制隧道煙霧迴流的臨界風速這一關鍵數據，為隧道突發火災時的緊急通風控制提供參考。
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