應用共軛梯度法精準控制公路隧道火災煙流之研究

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Title:	應用共軛梯度法精準控制公路隧道火災煙流之研究
Other Titles:	Application of the Conjugate Gradient Method to Precisely Control the Smoke Flow in a Road Tunnel
Authors:	張鴻明何偉誌
Contributors:	機械系
Keywords:	隧道火災煙熱導流臨界風速
Date:	2008-06
Issue Date:	2010-06-08 10:53:29 (UTC+8)
Abstract:	縱流式通風隧道發生火災時，煙熱沿隧道拱頂往上游回溯之距離與隧道風速息息相關。而當煙熱沿隧道流動需於中途由側面管道導向豎井排除時，在氣流轉彎處煙熱仍難免會部分繼續往下游前行，除非當地之風速與風向能被精準控制。本研究以泛用型計算流體力學軟體ANSYS CFX為基礎，計算隧道火災之流場與溫度場，並嘗試將其與共軛梯度法結合以期求取控制隧道火災煙熱回溯點之風速，以便進一步為複雜通風系統發展出可以精準控制煙流之方法。
Relation:	華岡工程學報 22期 P.83-88
Appears in Collections:	[College of Engineering] Chinese Culture University Hwa Kang Journal of Engineering

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