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雙燃料發(fā)動(dòng)機(jī)燃燒放熱規(guī)律的計(jì)算與應(yīng)用
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    摘要:

    根據(jù)熱力學(xué)第一定律和雙燃料發(fā)動(dòng)機(jī)燃燒的特點(diǎn)，提出了一個(gè)描述雙燃料發(fā)動(dòng)機(jī)燃燒特性的多區(qū)模型，建立了求解雙燃料發(fā)動(dòng)機(jī)放熱規(guī)律的微分方程式，基于Windows界面開發(fā)了計(jì)算雙燃料發(fā)動(dòng)機(jī)燃燒放熱規(guī)律的軟件，并應(yīng)用于一臺(tái)生物質(zhì)制氣-柴油雙燃料發(fā)動(dòng)機(jī)。研究結(jié)果表明，雙燃料發(fā)動(dòng)機(jī)與燃用純柴油時(shí)的發(fā)動(dòng)機(jī)相比，著火延遲期增加，最大放熱率升高，燃燒持續(xù)期延長(zhǎng)。

    Abstract:

    A new multi-zone combustion and heat release model has been developed based on the first law of thermodynamics and combustion characteristics of dual-fuel engine. Also the differential equations calculated the heat release rate of the combustion have been deduced and applied on a biogas diesel dual-fuel engine. The research results showed that the top heat release rate of dual-fuel engines was larger than that of the original diesel engines, however the ignition delay period and the combustion duration increased.

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湯東,胡正權(quán),羅福強(qiáng).雙燃料發(fā)動(dòng)機(jī)燃燒放熱規(guī)律的計(jì)算與應(yīng)用[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(2):45-47.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(2):45-47.

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