Nrog rau txoj kev loj hlob ntawm nroog cheeb tsam cua sov kev lag luam, phaj kub exchanger tau zoo siv. Piv nrog rau lwm cov khoom siv hluav taws xob, phaj kub exchanger muaj cov yam ntxwv ntawm kev ua haujlwm siab, thaj chaw me me thiab cov khoom siv tsawg dua. Yog li ntawd, phaj kub exchanger yog dav siv nyob rau hauv chemical kev lag luam, roj av kev lag luam thiab cua sov kev lag luam. Tab sis cov txheej txheem xaiv ntawm phaj kub exchanger yog qhov nyuaj heev thiab cov cua sov yuav tsum tau ua kom zoo. Yog li ntawd, daim ntawv no feem ntau txheeb xyuas cov kev thov tshwj xeeb ntawm kev tsim hluav taws xob txuag hluav taws xob hauv lub phaj kub hloov hluav taws xob cua sov, thiab raws li txoj cai ua haujlwm ntawm cov cua sov, cov teeb meem uas twb muaj lawm hauv kev tsim qauv thiab cov qauv tsim qauv ntawm cov cua sov. soj ntsuam.
Kev tsom xam ntawm txoj haujlwm ua haujlwm ntawm lub phaj kub exchanger cua sov system
Phaj kub exchanger feem ntau yog tsim los ntawm ntau daim hlau, thiab txhua lub phaj muaj qhov sib txawv. Thaum cov kua dej dhau los ntawm lub phaj, qhov sib txawv ntawm cov phaj tuaj yeem ua lub luag haujlwm ntawm kev sib pauv cua sov thiab txias. Raws li qhov chaw ntws ntawm qhov chaw me me, qhov ceev ntawm cov kua ntws los ntawm lub phaj yog ceev, thiab nws yooj yim los tsim turbulence, thiab loj ripples yuav tsim ntawm turbulence. Kev cuam tshuam ntawm turbulent ripple zoo heev txhim kho lub tshav kub hloov kev ua haujlwm ntawm phaj kub exchanger. Piv nrog rau cov khoom siv hluav taws xob dav dav, nws cov khoom siv hluav taws xob hloov pauv tau zoo dua li cov khoom siv hluav taws xob dav dav, uas yog ib qho ntawm cov laj thawj tseem ceeb uas cov phaj kub hloov pauv tuaj yeem hloov pauv cov khoom siv hluav taws xob dav dav. Tsis tas li ntawd, turbulent ripples kuj txhim kho qhov nruj ntawm lub phaj. Thaum ob hom kua dej ntws los ntawm lub qhov ntawm plaub lub kaum sab xis ntawm lub phaj, lawv yuav tsim ib qho dej ntws hauv lub phaj kub exchanger, thiab thaum kawg tsim ib qho dej ntws los yog rov qab. Lub sijhawm no, lub phaj tuaj yeem siv los ua qhov nruab nrab ntawm kev sib hloov kom paub txog kev sib pauv cua sov, thiab tom qab ntawd ua kom tiav cov cua sov txuas ntawm phaj kub exchanger. Kev tsom xam ntawm phaj kub exchanger cua sov system tuaj yeem nkag siab ntxiv txog nws cov teeb meem uas twb muaj lawm, xws li phaj bearing muaj peev xwm, kev hloov pauv tuaj yeem hloov pauv, turbulence ripple tuaj yeem siv tau zoo thiab lwm yam. Raws li cov kev soj ntsuam saum toj no, peb yuav tsum tsis tu ncua optimize tus tsim muaj feem xyuam rau lub phaj kub exchanger qauv, thiaj li mus txhim kho lub tshav kub hloov kev ua tau zoo ntawm lub tshav kub exchanger cua sov system.
Ob, phaj kub exchanger cua sov system uas twb muaj lawm teeb meem
1 Cov teeb meem sib txuam ntawm kev hloov hluav taws xob thiab kev poob siab
Rau phaj tshav kub exchanger, lub tshav kub hloov coefficient yog ncaj qha proportional rau cov ndlwg tus nqi ntawm cov kua nyob rau hauv lub channel, uas yog, thaum lub ceev ntawm cov kua nyob rau hauv lub channel yog ceev, lub tshav kub hloov coefficient yuav nce, thiab qhov ceev ntawm lub tshav kub exchanger. tus nqi ntws yuav ua rau qhov nce tas mus li ntawm qhov tsis kam ntawm cov kua dej, thiab tom qab ntawd ua kom cov kua siab poob. Yog li ntawd, peb yuav tsum xaiv qhov tsim nyog txaus tus nqi los yog nrhiav qhov sib npaug ntawm qhov poob siab thiab cov khoom siv hluav taws xob hloov hluav taws xob, txhawm rau txhawm rau txhim kho qhov kev ua tau zoo ntawm cov phaj kub exchanger cua sov system.
2 Tsis muaj kev tshawb fawb txaus
Qhov pib ntawm cov phaj kub exchanger yog lig thiab lub sij hawm kawm yog luv nyob rau hauv peb lub teb chaws, uas txwv tsis pub txoj kev loj hlob ntawm cua sov system rau qee qhov, thiab tom qab ntawd, qhov no cuam tshuam rau kev txuag hluav taws xob tsim hluav taws xob. Tsis tas li ntawd, kev tshawb fawb ntawm phaj kub exchanger tsis sib sib zog nqus txaus nyob rau hauv peb lub teb chaws thiab tsis muaj kev patent. Yog li ntawd, cov tuam tsev muaj feem cuam tshuam yuav tsum nce peev peev, yuav cov khoom siv patent.
3 Cov teeb meem hauv cheeb tsam thov txwv
Phaj kub exchanger muaj qhov tshwj xeeb zoo, tab sis muaj qee qhov teeb meem. Raws li qhov tsim ntawm cov cua sov tam sim no muaj kev txhawj xeeb, muaj ntau yam tsis xws luag, xws li daim ntawv thov ntawm lub zog txuag tsim nyob rau hauv cov cua sov system yog txwv, feem ntau tshwm sim nyob rau hauv lub tshav kub exchanger yog ib qho nyuaj rau kev khiav hauj lwm nyob rau hauv qhov kub thiab txias. ib puag ncig siab. Qhov no yog vim hais tias cov ntsiab lus tseem ceeb ntawm phaj kub exchanger yog cov ntawv nyias nyias, thiab nws lub peev xwm los tiv taus siab yog txwv, thiab phaj kub exchanger feem ntau yog siv rau hauv kev lag luam hnyav ntau lawm, uas yuav tsum tau lub phaj kub exchanger kom muaj peev xwm tiv taus. siab. Nws tuaj yeem pom tau tias rau lub phaj hluav taws xob hloov hluav taws xob cua sov, ib qho ntawm cov txheej txheem yooj yim rau kev txuag hluav taws xob tsim yog ua txhaum los ntawm cov kev txwv ntawm kev siv yav dhau los.
Iii. Optimization txoj kev ntawm lub zog txuag tsim ntawm cua sov system
Tom qab kev soj ntsuam ntawm kev ua haujlwm ntawm cov phaj kub exchanger, kev nkag siab tob txog cov yam ntxwv cuam tshuam rau kev hloov pauv ntawm cov cua sov, xws li daim ntawv corrugated, ntws tus nqi, hloov pauv kub coefficient, ntws channel txheej txheem. Rau lub zog-txuag tsim ntawm phaj kub exchanger cua sov system, peb yuav tsum tag nrho xav txog nws influencing yam thiab optimize txhua subsystem tsis tu ncua.
1 Tsis tu ncua optimize tag nrho cov tsim
Rau tag nrho cov phaj kub exchanger cua sov system, lub zog txuag tsim tsis tsuas yog nyob rau hauv lub tsim ntawm lub cua sov system yuav tsum xav txog qhov teeb meem, nyob rau hauv lub tshav kub exchanger kuj yuav tsum tau xav txog qhov teeb meem. Yog li ntawd, cov qauv thiab kev ua haujlwm ntawm cov phaj kub exchanger yuav tsum tau optimized thaum optimizing lub cua sov system daim hlau, thiaj li kom paub lub zog txuag optimization ntawm lub cua sov system tag nrho, thiaj li kom paub lub zog txuag tsim ntawm lub cua sov system. Tsis tas li ntawd, cov txheej txheem optimization thiab coefficient yuav tsum raug xaiv kom tsim nyog rau cov ntawv thov sib txawv thiab lub sijhawm
1 Nruam optimization ntawm phaj tsim
Nyob rau hauv lub phaj kub exchanger cua sov system, phaj optimization yog ib qho tseem ceeb txuas, feem ntau nrog rau ob kauj ruam hauv qab no:
① Lub peev xwm ntawm lub phaj tuaj yeem tiv taus siab muaj kev cuam tshuam zoo rau kev ua haujlwm ntawm cov cua sov ntawm lub phaj kub exchanger. Yog li ntawd, nws yog ib qho tsim nyog los tsim qee cov khoom siv nrog kev ua tau zoo, uas yog ib qho ntawm cov kev tshawb fawb tseem ceeb ntawm kev txhim kho cov khoom siv hluav taws xob.
② Optimize lub zog ntawm daim ntawv thiab nws nto corrugation. Hom, qhov siab thiab lub kaum sab xis ntawm corrugation yuav tsum tau ua tib zoo txheeb xyuas. Lub zog txuag tsim ntawm phaj kub exchanger system tuaj yeem pom tau tsuas yog los ntawm optimizing lub phaj tsim tsim nyog.
1 Ua kom sov hloov coefficient thiab siab poob
Qhov sib piv ntawm cov cua kub hloov coefficient thiab siab poob feem ntau yog hais txog qhov poob siab thiab cov cua sov hloov coefficient ntawm cov kua dej sib npaug. Nyob rau hauv ib txwm muaj xwm txheej, tuaj yeem siv lub tshuab hluav taws xob hloov hluav taws xob tus lej txoj kev, logarithmic qhov nruab nrab qhov sib txawv ntawm qhov kub thiab txias unilateral siab poob siab siv txoj kev. Lub hom phiaj tseem ceeb ntawm qhov no yog txhawm rau txheeb xyuas qhov siab tshaj plaws poob siab uas lub phaj tuaj yeem dais lossis qhov tsim nyog siab poob siab tshaj plaws, txhawm rau txheeb xyuas qhov poob siab thiab ntws tus nqi ntawm cov kua dej thaum nws ntws los ntawm cov channel, thiaj li nrhiav tau. ib txoj kev tsim ntawm qhov siab tshaj plaws poob tus nqi, thiab nrhiav kom tau ib tug zoo dua kub hloov coefficient txuam nrog lub siab poob, thiaj li mus txhim kho lub siab bearing peev xwm ntawm lub phaj.
1 Tsim nyog kev npaj ntawm cov channel ntws
Lub rationality ntawm txaus channel npaj yog ncaj qha ntsig txog kev ua tau zoo ntawm phaj kub exchanger cua sov system. Muaj ntau qhov sib txawv hauv qhov ntws channel kev npaj ntawm series hom thiab hom sib xyaw. Piv txwv li, thaum muaj qhov sib txawv loj ntawm lub tshav kub hloov coefficient thiab lub siab poob, nws yog ib qho tsim nyog yuav tau siv cov kev khiav dej num ntawm cov txheej txheem sib xyaw. Yog li ntawd, rau lub zog-txuag tsim ntawm phaj kub exchanger cua sov system, peb yuav tsum tsis tsuas yog xav txog daim ntawv thov ntawm cov phaj kub exchanger, tab sis kuj xav txog lub siab thiab cov dej ntws tus nqi nws yuav tiv taus. Tsuas yog los ntawm kev soj ntsuam tas mus li ntawm ntau yam, peb tuaj yeem tsim lub tshuab hluav taws xob zoo dua hluav taws xob, uas yog, lub zog txuag hluav taws xob feem ntau cov phaj kub exchanger cua sov.
Nyob rau hauv ib lo lus, thaum optimizing tus tsim qauv ntawm lub phaj kub exchanger cua sov system, tus tsim yuav tsum ua kom meej lub hom phiaj thiab cov kev taw qhia ntawm optimization, thiaj li mus paub lub zog-txuag tsim ntawm lub cua sov system, thiab pib los ntawm cov txheej txheem tshwj xeeb. lub cua sov system tsim, nyob rau hauv lub hauv paus ntawm tag nrho cov optimization tsim. Tsuas yog nyob rau hauv txoj kev no, peb tuaj yeem tsim lub phaj kub hloov hluav taws xob cua sov ua haujlwm raws li cov neeg xav tau.
