Base on the Fluent software,the time-average N-S equation,RNG k-ε turbulence modeling,P1 radiant modeling and particle track modeling,example for boost motor PQM-1 of Titan 4,by using flow-solid coupling boundary condition,the 2D axial symmetry gaseity fluid modeling and two phase fluid modeling were founded and the influence of coagulate particle to the flame-spread process in large aspect ratio SRM ignition transient were analyzed.

0引言固體火箭發(fā)動機(jī)點火過程是點火燃?xì)饬鲃优c火焰?zhèn)鞑ハ嗷ヱ詈系倪^程这里只有精品一区二区，即包括點火燃?xì)饬鲃踊粕悠?激情小说,在线视频、藥柱加熱、局部點燃欧美欧美日韩日韩在线综合、火焰?zhèn)鞑ト蘸侵扌园瓵片、室壓建立等?fù)雜的非定常過程，其中火焰?zhèn)鞑ピ邳c火瞬態(tài)過程中占有重要地位卡通动漫亚洲专区第一页，是發(fā)動機(jī)點火延遲无码毛片高清网站、壓強(qiáng)峰值過高、斷續(xù)燃燒和熄火的主要因素潮吹国产，因此國內(nèi)

Simulation results show that the proposed model is correct. The proposed model offers reference for the design of DC brushless motor/generator, and can be used as technical reference for both Boost circuit and the control of digital signal processor of DC-AC conversion process.

仿真結(jié)果表明所建立的仿真模型是正確的小黄片真人视频毛片，該模型可為直流無刷電機(jī)/發(fā)電機(jī)的設(shè)計提供參考依據(jù)，在此基礎(chǔ)上并為Boost電路和DC-AC轉(zhuǎn)換過程的數(shù)字信號處理器控制提供技術(shù)上的指導(dǎo)欧美在线精品一区二区三区。

This paper drafts pass through educate development for Bao Tou area medium occupation condition investigate , is the problem of wanting to discover medium professional educational existence from it, find out gap and is below , with take effective measures, make it meet the needs of market economy, and become the boost motor of local economic development, promote Bao Tou city economy is strid across type development.

本文擬在通過對包頭地區(qū)中等職業(yè)教育發(fā)展情況進(jìn)行調(diào)研国产精品线免费线观看，是想從中發(fā)現(xiàn)中等職業(yè)教育存在的問題，找出差距和不足好紧好深好大乳无码中文字幕，以采取有效措施亚洲综合另类校园日韩，使之適應(yīng)市場經(jīng)濟(jì)的需要，并成為地方經(jīng)濟(jì)發(fā)展的助推器1024无码，推動包頭市經(jīng)濟(jì)跨越式發(fā)展可以看黄在线观看久。

Boost Converter：升壓轉(zhuǎn)換器

系統(tǒng)中升壓轉(zhuǎn)換器(boost converter)能有效提升電池電壓效率,驅(qū)動電動馬達(dá)/發(fā)電機(jī)(Motor/Generator),可有效降低因低電壓而流失能量,并增加馬達(dá)總輸出.