Nyob rau hauv lub tshav kub hloov txheej txheem ntawm aphaj kub exchanger,qhov ntau dua tag nrho cov thermal tsis kam, qhov tseem ceeb tshaj yog yuav tsum tau ntsuas los txhim kho cov kev hloov hluav taws xob los ntawm kev txhim kho cov khoom siv hluav taws xob hloov coefficient. Nyob rau hauv qhov tseeb, tus nqi ntawm lub tshav kub hloov coefficient ntawm lub phaj kub exchanger yog txiav txim los ntawm qhov loj ntawm tag nrho cov thermal kuj nyob rau hauv lub tshav kub hloov lwm lub tsev txheej txheem: qhov qis dua lub tshav kub hloov coefficient ntawm lub phaj kub exchanger, lub poorer nws tshav kub hloov.
Txhawm rau txhim kho cov cua sov hloov pauv ntawm cov phaj kub hloov pauv thiab yog li txhim kho lawv cov coefficient ntawm cov cua sov, ntau yam kev txhim kho thiab kev ntsuas ntxiv tau tsim nyob hauv tsev thiab txawv teb chaws. Cov no feem ntau suav nrog kev siv cov raj threaded, transverse ribbed tubes, converging -diverging tubes, loj- lead multi-pib grooved hlab, thiab ib qho tseem ceeb ob -sided kauv finned tubes hauv phaj kub exchangers, nrog rau kev sib ntxiv ntawm cov cua kub exchangers rau hauv lub tshav kub exchangers turbulators; hloov kub. Ntawm cov txheej txheem no, kev siv cov turbulator inserts nyob rau hauv lub tshav kub exchangers raj ntawm phaj kub exchangers los mus ntxiv dag zog rau lub tshav kub hloov tau siv nyob rau hauv kev lag luam rau ntau xyoo. Txoj kev no tuaj yeem ua rau kom tag nrho cov tshav kub hloov pauv coefficient ntawm cov phaj kub hloov pauv, txuag lawv qhov chaw hloov chaw kub, txo cov khoom hnyav, thiab txuag cov khoom siv hlau ntau. Nws ntau qhov zoo tau txais kev xav ntau ntxiv. Txawm li cas los xij, qhov kev txhim kho zoo li no tsis tuaj yeem txwv tsis pub dhau - nthuav dav qhov chaw hloov pauv cua sov thiab ua kom cov cua sov hloov pauv qhov sib txawv yog feem ntau txwv los ntawm cov khoom xws li qhov chaw, cov khoom siv, cov peev txheej, thiab kev ua tau zoo.
Tam sim no, cov kev taw qhia tseem ceeb ntawm kev ntsuam xyuas rau kev txhim kho cov cua sov hloov hauv phaj kub exchangers yog yuav ua li cas los txhim kho cov nyhuv ntawm enhanced tshav kub hloov los ntawm kev tswj tus nqi ntawm lub phaj kub exchanger lub tshav kub hloov coefficient. Cov cuab yeej siv dav tshaj plaws los ua kom cov cua sov hloov coefficient ntawm phaj kub exchangers niaj hnub no yog qhov sib ntxiv ntawm cov turbulator inserts hauv lawv cov cua kub exchangers. Los ntawm qhov kev txiav txim ntawm cov turbulator inserts, ib nrab thermal resistances nyob rau hauv lub tshav kub hloov lwm lub tsev txheej txheem ntawm lub phaj kub exchanger yog ho txo, thaum kawg ua tiav ib tug nce nyob rau hauv nws cov tshav kub hloov coefficient. Thaum lub sij hawm ua hauj lwm ntawm lub phaj kub exchanger, nws tag nrho cov thermal kuj yog cov sum ntawm ntau ib feem ntawm thermal resistances. Yog li ntawd, txhawm rau hloov pauv cov coefficient ntawm cov cua sov, nws yog ib qho tsim nyog yuav tsum tau soj ntsuam txhua feem ntawm thermal resistance nyob rau hauv cov txheej txheem hloov tshav kub. Yuav ua li cas tswj txhua qhov thermal kuj nyob rau hauv cov txheej txheem hloov hluav taws xob ntawm lub phaj kub exchanger yog tus yuam sij rau kev txiav txim siab nws cov coefficient tshav kub.
Tsis paub meej tias qhov tshwj xeeb tshwj xeeb ntawm cov khoom siv hluav taws xob sib txuas nrog koj cov txheej txheem ntws? Tiv tauj peb -peb pab neeg tshaj lij yuav pom zoo cov kev qhia tshwj xeeb raws li koj qhov nruab nrab tsis, kev thauj mus los ntawm tshav kub, thiab chaw teeb tsa, thiab muab cov ntaub ntawv zoo sib xws.
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