                         ˿µϣ20060822գ

06.08.22, ʱ֮¼
06.08.22, ·ٺȰԡ
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06.08.22, NobodyԺδƭйˣǾƭˡ
06.08.22, steven˽
06.08.22, zhexuezaiϣܸһЩФVһ̸(V)
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ӰԸ£ͿΪåйôгϴ
ڽҡ֡жý˵ܾˣҪҷʡ˽ѧ١
һҪҶȻҪ50壬ֵҡδ֤
֮ǰˡȻɺͷ񶨡һ˶ˣ
һԸǿҵĻƵġѧŴǮǿʿ
֣ҪǮǿʿҲ˽Ǯǿʿ
öˡɱڡ񶾰ɡԸʹ
ջҲֻܹδ֤
֮ǰˡȻɺͷ񶨡ͽСɱ
񶾡йЩҸоޱõʱԸ뵱˵ĵʦ
֮ǰǲǸȥѧǷǹ

ѧӦСɱ

ߣǮǿ
2006-08-23 -ձ

,ڡй걨ѧʷϵľһ,潲
漰ѧҵ,Ȼ˵:Ҳ֪ʷλѧΪ
һѧҪõǹʤҪ˶һķС
ʹľ,ҲѧĽ޹ءѧĽҪ֤ݺ
ȷ,ǿ,˭еáǶԽ
ѧѻ֮ǳһӦ,ͬʱҲǣ˹ѧ
ԭ⡣

ع˷֮ѧ⡰ɫ롱,ϸ˵,Ⲣһ
ѧ,Ϊһʼ,˫δѧⱾۡ
Լܵӡ֤ˡɫ,ȴδ֤
,ŷƾžֱԴ˽,ѧˡĿ֮,
ȻٴοԻػ,ƶԷҪйƼҵġɱ֡ӡ,
١Сغ֮,ѡһԺͳ
Ľʽ:Ծ˵:ƽɫʧ,ԸЭ,
ؽɱ;ƽɫɹ,ԸЭ,ؽ
ɱҪԾ뽫ԭѾˮս,
ѪȵıԵ,Ҳ˹ڵĿ⡣,ӵı̬ʹ
۲Ϊ׵־,ҲΪպѧ˸ѡ

ѧĽⲻ,ѧĹ߳ʽͬ۵֮
,ʹǸؿĹؼںͽ֮,֪Ƽ
,ԡϺͿ۸Ӧ߱ѧƷͨ˵
ʵ,,۵ķ۵̬,Ϊζǻ
һƽȵ̬,֤ͨݺ߼Դ⡣ѧֵ̽һ
˫ȱѧƷ,۾ɱ໥Ҷ̵,á
ȭ˴η֮,Ҳδ֤֮ǰ
,δоɹָժ;಻뿪ѧⱾ
󵹲⡰Ŀˮ,ɱİ취
֮,ª֮,Ҹ޴֮Ŀˮս,˫,ѧ
ԾȻ޴档˭ĺ

ѧ֮Ӧԡԡ־Ǵ׷ѧĴ̬
,ѧ˽,ѧۿ¾졣ܶ
˲Ϊ,ȴֱӱȥ,ԭԾµ±˺
˵ذ,ƺ˭̱˭ܻʤġɱ
ѧһĪ˺

ɱԾ ͵һ֡㡱

2006-08-18й걨
ʿ

     ƳСѧѻ֮Ƶǰƣӵġ
辶ƽ˶ѧ⡰ɫȴ⵽ѧٶʿ
ӵɡڲս飬Ҫ뷽ӶԾƽɫ
ʧܣԸЭ飬ؽɱƽɫɹ
ԸЭ飬ؽɱϢʱ816գ

    ŵġԾ˸˴Щ֮⣬ֻ˲
һ֮̾ˡԾţȴ޷䱾
ӹס

     ĳ̶ֳϿ𷢶ѧ֮ѧ־磬͹Գǰѧ
деļ񶾵ԡ磬Ƶѧɹ֤
δ£ѧٶʿӾȻɺͷ񶨣
ȴٳٲѧ֤ȴԡɱЭ顱ʽѧ
ֻ֮һĵ־硣

    ʵϣѧڮáУչԾ
̬ѧҲѾʲôѧֵڮ
áĳªѧ֮УҿֻǣѧߵĳԼ
йߵ룬ѧ֮ʧȴ˻Ŀѧȣ
ۣѵǶѧԻ٣ۣδǻۣΪ
ڽɱɣ

    ԡɱԾ̬ƶԴֲͬߣһΪ֪ʶӦа
ԡѧԵѧ´ȻѧȴΪˡ
ɱԾ־硣ˣЩν֪ʶӡӢǣ˾

    Ǻǣ˵Щˡ͵һ֡㡱ɡӶ
Լ˵ֻǸ治еʱһЦɡ

(XYS20060822)

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ٺȰ

ߣ·

ѶԼٺȷĽ綨ǲǼٺ꣬
ųʾ֤߷Լľǡ
ʵĿǰֻαƸڡΪȷϣЩ
ͷܽڣ߶ȫְЭǱģڲʿ޴֪Ƿ
ٺꡣ

һɴٺ˳ӦʱˣҪЩƴѧ
ִУϣעһ²ԡǰѺ
βˡ˫桱սԲӦһ¡

ٺʷԭ򣬴塢ǰѧ
£Ҫס˲ŷfacultyλãȫְعġ
ûмʥˣ˾͵ΪԼʧ롣ЩٺУų
ȷʵڵĿˮƽߣνа׾ߣֵ𾴡
󲿷Ϊ˸˵ĳ֪ѧѧߡͷ֮࣬ͦ
ĲǣȻͨԡ

ּٺԭѷҪǸ뵥λγ湲
ͬ塣ӿ͹ҲӦĹףｨʵҡѧٽ
ѧµĿģʽȡӦ˵ضʷ·
ضʷãҲǲĨɱġ

ڶԿзͶӴ󣬴ʹຣԱǻعչ⡣
ȣ൥λУؽ˲ţ嵹ҲĿǰĹ
飬õλñϾвٻٺռţЩ
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ڣôΪʦԷȰЩٺǣ̵Ѿˣͼ
þաûģͱˡʱˣҪô
룬Ҫô׻عȫݶԹƵ˽Լѡó
Ϊ˺򣨹˺أ

ʷĴѲҪּٺʱЩȫͶ룬
ˣΪЧҲĳЩ棨ֻߵûţһ
溣ꡣȰЩٺƸλڹ涨ʱڣý棬Ȼ
ǩýƸǰԼˣȻ޶˻ӻѣ
԰̰׷Σ룬Щ
飬ǩڣͬнϵ˳ʵ
ЩĲʿ֪㲻ǹ⸶ûģҪȥͬо
뾭ѣR01飬عһ飬
˵õǮİ𣿣취ӹЩĿľѻ
Ӯ˵𾴣

ȫַ֧˿վ϶ЩִԲļٺ꣬ѧƷ࣬
make a listһӭѾٱڻίĿ
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ⲻַٺϭģǰ˵ǻһ׵ģһΪ
ǶǵȰԣϣҪ

(XYS20060822)

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ииУʦϺٻ

    һƽ

    ҶԸУʵҪһָʦãߣ
жԲߡתۼ䣬ԺУʦνʵ˴ԾԺԺʿ֪ѧߣ
ӦоСٸ˲ŵҳϣ˵乤׿гЧ
ȥӦƸǻЩ֪Ż㣬Ե޲ܡһ˽㷢֣ЩԺ
Уʦʸûб䣬ǹȥǼͷ

    ͻԹԱƸƶϻҡеԺʿʮѧĽ
ϣ治֪ܹҵ˹֪λСĽڣڹڶ
Ҵѧоְʵһ֮ȥһءżڷһ
ڵĵλǿøõλܳˡʵĶҲҪҪ
Ŀƭҡ

    ЩצҪ֤ݡ˵Ͼ
ޣùҵһ£ȫĶܾν
ڡڡڡְڵĿְƸáȽй
ձй涨Ƹְ֮ǰڵλϸ뱨棬˵
ȨȡڶԴѧУȫְԱһɲ뱾λְڷȫְԱ
֧ҪϸƣһϴǮ©

(XYS20060822)

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Լˡ¼йƸ̵ľʾ



ڸ֮ûнЧϢƣڸӢҵļ
ʳЩڱ첻ȥȴڹö֮صӢʦ
ʥĽҵƸ̰ѹزϵμУ
ΪԼˡ¼ⷽһͰ

817գ̩ҪһѧУ
Сѧ꼶ӢĵԼˡJohn Mark Karrǲ
²Ҳȫ䶯42Ŀ·Ӽ߰ߡ
1983ݵĺܶѧҵ꣨19꣩Ȣ14ȡ
ФΪޡһͷ֡1989ֺ16ǹɭ顣
϶ĵСѧνʦ20014ڼ5γжͯɫ
϶вͬ10±ͳ顣20024£ݽʦʸ
֤ίԱ˿Ľʦʸ֤ԭЭδ˷
۹Ʋϡ2006817գ1996ڿɱ
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Ӷͯɫ˷ץʵ̩һҲ
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޵ѧУżǮƯߺѰĴѧҵ
̩йعԱԹ˵Ǹû취ְ֤ߵʵݺʷֻ
ƾһ֮ʡǺձҵĴѧʵϰˣ˺ˣ
Ҳרˡ

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ذ¿ƼͳͳΪרҡʵ
˽ǻ˵Ӣѡ20ķչҹ
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ҹдԼ4050רҡԿ϶дڴ
Ӣѧ,ǻԾȫйĸѧѧСѧ׶԰
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֮ݳ֮֮ڽҳ֮ĳѧи
μӹսƦϰأڿϳ֮Ͻ̻
ѧŵĿɿڴѧУƸϿ֮е
ѧԷӰΪҶɣҪеѧϵ֣
һ㡣Щ̵ؽߡ

Ͽ20ľۣѾγһϸƸ
Ⱥ͹涨ıƣɳĳѧԺҪƸ̣
9ļ¡ҪʡйܲźѧУļ
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طҲˡҪƺȫ壬޿ޡҾûӦü
һ޷¼֤---йѧҪҪ
ǣ˭ȷṩĲϵαأö֪Ƹ˵λΡ
ϼֻܲ׼ѧУûоŬȥ˽ߵ
ѧأĲǷҪѧУϡǵ飬ṩĲ
ʵһأЩƺʺšݡĻ޹˾
ҳϹϢƣù˾Эרƶѡѡ
ϵйزѾʼֽ⡣ʹϵͳԺ
ҲֻṩһЩָԭͷѹػÿ˵λеĵλܱ
ԹѶ̫ʵȻóӴٵľʲô˽
Ѷ˷Ľ죬ֻܽ

ɷϣĸ￪ҹ׿гЧġһ
רҵʿԶйԼŬΪҹִҵ˲
ȡĹסҲ뿴Ǳڵ⡣¼ҹ̶
ֵһЩвĳʵǷӣ
ʲôֻ֣ԼʵĹȥ̹סΨһİ
ǽһϸеƶȣѺøؿڣͱ׼ǲùⷸ
ӻҹĽʦ飬ĿǲЧʺˮƽ
Ϊĸ￪ŷ

(XYS20060822)

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עпԺһαѧ

pingyin


http://www.topenergy.org/bbs/viewthread.php?tid=21691&extra=page%3D1  

ڿյʢһɡϺѧԺƵ״ȴܿյ
ý屨ãЧյõɵļõš
ݳƣһ꽫Ϊҹڵ300ڶ. һϵеı
ЦԷǡһ˶Ӧ֪ĵСȴõйѧԺ
ˡ״ȥӵ˿վͲ
ΪйѧˮƽйѧԺΪҲ˵ӵĴشһѱ
Ϸ˵ļΪԺʿ٣һССΣţ׬Ǯ
ҲͲΪˡ

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飨ƪķASHRAE TRANSACTIONSϣڸУһ80
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ЧԶʵҲ5%-8%һ80յƬһ
2-2.5mmˮԽƬ֮䣬ĿǰյƬѾС
1.1mmˮʪƬЧʽ½ΪؼǿȾ⣬
⣬Ⱦһ⣬ʪò˶ã
ʹƬȫ桰¡ͬʱһ
ɳһһ80͹
ڳе鶼֤һ㣬˴û뵽21ֱ
شгɹһΪҹڵ300ڶȡȫԻŵ


ʵڿյϤһЧƶʽյ
ڣȾС˽ˮϣû
ˮȷʵ㣬ЧҲߡһʽյⷽ
ĹרҲ٣ν״ʵǿЦڹȡרʵڲ
ֵԻ֣׼ҲԻר

2006-08-21

(XYS20060822)

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ѩ÷ߺйҽı

ߣyundao

ӱڷҽ̳mouseѵӵģԺ뻹
ǵٿ⣬ӭλѸ

Ҷѩ÷ӡ:ǸĳҲҺϷҽ
Ϊ֤Աԭǰɣѩ÷дһСŮҽ
ּǡڡձأоǳϮ-Ƥ
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ңıҲų˼˵ĶҹϯרҶڳ飬
ȫôӰ죬һ˿ǹܣ鱨ת
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Ķٴ绰˵ˣΪֹ

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Ȼźѩ÷Ȼң鲻ڡձˣԺ
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ģҳǸģ

TNNģƨ£ѩ÷йҽ
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һ䣺ѩ÷ߺйҽı

(XYS20060822)

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ϺѧѧԺ󲩵ΥʵͿѧΪ

רҡã

Ϊæ֮дǸ⣡ҲΪòź

200677գ㡢ԨλרǩߵġϺеһ
мԺίм顱Ƽѯģ2005ֵ028
ţرʵΪϺпƼѯĵרҡϺͨѧ
ڡʿʦҶ㲻ʵΪݣΥѧͳʵΪź
ʵ㸴ʵ㷢ͬʱҲڱҪʱֱ
ѧУϺѧЭйصλٱҲųͨ
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1ΥԭʼʼǼصʵݣٽۡ

ڱṩ֤ģԭʼʼǣзǳؼйƱҶ
ķǲҶֱӷӦ
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ǳߵļУӵ6ҳ11ȫ׿ڼ
ϣܶԭ֮ԻרȨΪԭ˾װã
Ҷԭר˵ķĿĺйѧԺ鱨ṩ
Ƽ±ȡ壬渲ԭ漼Ҫһ
ԵڶװøԱȣԭ˵еĶԱȼ42-26880
ΥһƼĹͳʵԭ򣬴Ӷѧ
ĽۣἰļֵøΪԡ

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ΪȷӦ+ռѹͨ壩+һ廯С
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ԨλרĽǡѹӦѹˮԴΪ
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СѹӦѹˮ˼Ȼǽ͵˼Ϊʲôֱ
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Ƽĳʵԭһ

ڼ9ҳ512У˵ˣaӦıһ
ˮӦbԭרųˮcķá
ǡװáųҶˮĻڱ
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ΪѧרңҲǾװõıҪɲԼ
ܲھһʽҲܲڱ
ӱȨ滻ΪЧʵˮԭ
ķ롢Υ䷢ܹܺĵĿԼָı䲻Ҫκδ
ͶʵҲܲͨרҵԺƶ
ʱ뵽ΪרҲ𣿶ڱԭķӦʵʾ
ˮڱֶκ͹һµʵҲܲǶЩԽ
ǿ⣬Ǻжϵ˵ʺͲѧ淶˵
ۣѵҲǹ

ԭҪרȨҪȷָΪ50~9.8104Pa¶
Ϊ104Ԫķе㡣ҪȨҪΪ-0.08~0.095MPaע
һ֤ݽʱΪ-0.8~0.95MPaڱʵ-0.8MPa
ѧҲڣ0.95MPaҲݷΧǼѹݣ9.5
ѹݱݣ׻շΧΪ2104~9.5104Pa
ʹõ¶ȷΧΪ110~150棬ҪȨҪԭרҪ
ΧڣԴΪרҲۣܲ壩1
ġһƱҶķר200310109333.Xļ
ûиԭķרԪƱרZL00110819.0
ļĽۣǵĹԺͳʵ

3͹ز

19871114ջ䷢ġĿоݺ
ȵĹ涨ļ1Ŀ²ƷװÿǰӦ
ӦĿԱ棬ϳĽ¸ĿҲӦ
Ĺ涨ĿǰɾʵԺṩĿĹ̼
Ʒ˵PIDͼͼֽͼȣװɺҪͨ
ȫյȵȣ˺ܹת׼׶Ρκ
ҵܱҵһ涨лĿ裬һ涨
ͨաרҼʱѾԭ߱8£ԭʼ
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һܹ͹ṩʹõ豸ݣصġXװáҲ
PIDͼ豸ͼϸأ͹۵ؽ۽Ӧһ
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ϣܸһЩ 
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Ǽල,Ϊһԭ״оٵıָԭ
ǷʵΪؼ,:

1,ԭ걨Ū,
2,ԭ޿Լĳɹѧ,
3,ԭ׮Լ"֪ר"㹻
֤֧,
4,ԭǷͬʱڹȫְ,
5,ԭ罱ƺĵĿȷ
͵,;

Ĵ𰸿϶,һ󱻸ûй.

еκһĴ𰸿϶,һ󱻸Ҳûһ
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ЩˡûϿɣ˾ҲûӮҲõ˸
ֵ̽ۡתģųԪ
Ǹ˵ڵˡ

ģҾȷûѧۡ˵ʵ
ѿúܳоǣ˵ƺеôն
ţ졣ʵʴһʼͳˣĴιʽƵûȥ
ֻһ䣬ѧ

ĵһΣ 

ժҪһַǣƵ̣ʱ̣ԭOԭO 
غϣϵSֹϵSٶv˶ϵS й۲죬
ʱt ԭL  Ϊ vt ϵSй۲죬Ӧʱ̣
ϵSΪtʱ̣LΪ vtһ棬ϵSй۲죬ϵS 
v˶ۣϵS гL (1 Cv2/c2)1/ 
2 L(1 Cv2/c2)1/ 2L   ӶԵõt 
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һԽӽٵͨһվվվϵһ
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ӦƵLLֵóìܡìأ
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йΪʲôô޴



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ͷԡ˵̨Ҫ36СʱҵһͷֻҪһСʱ
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