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消防车混合运水车数的计算
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作者 于广和 《消防科技》 1992年第2期26-27,共2页
消防车混合运水,即在同一运水线(由一个水源取水供一辆火场战斗车用水的运水供水线路)上,同时使用不同载水量的消防车混合编制的运水形式。混合运水是现代条件下火灾扑救中出现的一种新的远距离供水形式,它与以往的运水形式相比,其运水... 消防车混合运水,即在同一运水线(由一个水源取水供一辆火场战斗车用水的运水供水线路)上,同时使用不同载水量的消防车混合编制的运水形式。混合运水是现代条件下火灾扑救中出现的一种新的远距离供水形式,它与以往的运水形式相比,其运水车的种类,数量和载水量都发生了很大变化。因此,混合运水所需车数的计算问题已成为火场供水理论上的一个新课题。本文根据火场供水的一般规律和要求,就此试作初步探讨。 展开更多
关键词 消防汽车 混合运水 车辆 计算
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Heat Transfer Properties and Chaotic Analysis of Parallel Type Pulsating Heat Pipe 被引量:2
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作者 史维秀 李惟毅 +1 位作者 潘利生 谈西峰 《Transactions of Tianjin University》 EI CAS 2011年第6期435-439,共5页
The refrigerant mixture of ethanol aqueous was applied to the parallel type pulsating heat pipe (PHP). The operation characteristics of the PHP were analyzed by means of experiment and nonlinear chaotic theory. Moreov... The refrigerant mixture of ethanol aqueous was applied to the parallel type pulsating heat pipe (PHP). The operation characteristics of the PHP were analyzed by means of experiment and nonlinear chaotic theory. Moreover, the relationship between the running state and attractor was described. The results indicate that starting power, stable running power and dry burning transition power are about 64.08 W, 148.68 W and 234.0 W respectively. The cycle and amplitude of PHP initially decrease and then increase with the increasing power. However, the data are welldistributed in a certain range. The running state is in agreement with the attractors, and the changing process for attractors is as follows: the attractors first disperse in the whole phase space, then present mass status, and finally show band distribution. 展开更多
关键词 parallel type pulsating heat pipe ethanol aqueous ATTRACTOR chaotic analysis
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