雪山隧道氣交換區段之磨擦損耗係數關係式

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Title:	雪山隧道氣交換區段之磨擦損耗係數關係式
Other Titles:	Correlations of the Loss Coefficients in an Air-exchange Section of the Hsuehshan Tunnel
Authors:	張鴻明林禎波
Contributors:	工學院
Keywords:	雪山隧道通風系統管道匯流區段流場數值模式磨擦損耗係數 Hsuehshan Tunnel junctions numerical models loss coefficients
Date:	2004-06-01
Issue Date:	2012-04-25 13:02:48 (UTC+8)
Abstract:	雪山隧道的通風系統是世界上史無前例的設計。該隧道又將是連接擁有數百萬居民的大台北都會區與擁有美麗景色的台灣東岸的主要通道。其間之交通將相當繁忙，週末尤甚。其通風系統平時運作與事故應變能力和處置措施必須確實可靠。這件工作可透過建構雪山隧道通風全系統一維簡化數值模式來進行探討。其中隧道通風管道各式匯流區之各項磨擦損耗係數乃重要參數，目前這些參數之廣泛式可以三維數值模式來分析計算歸納。本文旨在經由理論分析來探討該區段之流場結構，並計算歸納相關磨擦損耗係數之廣泛式。 The ventilation system of Hsuehshan Tunnel is a unique design. The tunnel will be the major means of connection between the populated Taipei Area and the East Coast of Taiwan with beautiful landscape. The traffic load on the tunnel will be heavy, especially during weekends. Therefore its ventilation capability and related emergency measures have to be reliable. The three-dimensional flows in a section of the air exchange station of the tunnel were computed and analyzed. The loss coefficients were calculated and summarized into correlations, which will be essential building blocks for setting up the one-dimensional model of the whole system. This simplified model is going to be further developed for investigating the ventilation capability of the Tunnel.
Relation:	華岡工程學報 18期 p.23 -30
Appears in Collections:	[College of Engineering] Chinese Culture University Hwa Kang Journal of Engineering

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