I. Ukumiselwa kweDatha yeNkqubo eSisiseko (Iimfuno zokuKhetha iModeli)
1. Cacisa ngokucacileyo iipropati zeendaba ezishushu nezibandayo (ukumisela izixhobo zezixhobo kunye nemida yesakhiwo).
Okokuqala, kubalulekile ukuchonga imidiya ethile kumacala ashushu nabandayo-njengamanzi enkqubo, amanzi ajikelezayo, umphunga, i-oyile eshushu, izinyibiliko ezineasidi okanye zealkaline, okanye ibrine.
Imidiya eyahlukeneyo ichaphazela izixhobo ngeendlela ezahlukeneyo; umzekelo, ikloridi{0}}equlathe imidiya ngokulula inokubangela ukubola kwemingxuma, kufuneke kusetyenziswe imathiriyeli efana ne316L yentsimbi engatyiwa okanye ititanium.
Ukuba i-media iqulethe iinqununu ezimisiweyo okanye izinto ezithambekele kwi-crystallization, cinga ukwandisa i-gap yeshaneli okanye ukunciphisa ukuhamba kwesantya ukukhusela ukuvala.
Ukuba ukutya -kwebakala okanye imigangatho yeyeza{1}}iimfuno ziyasebenza, uyilo kufuneka luhambelane nemigangatho yococeko (umzekelo, ukuvumela ukuchithwa kunye nokucoca, kunye nokuqinisekisa isakhiwo esingenazo iindawo ezifileyo).
2. Cacisa iimeko zobushushu bokungena nokuphuma (ezimisela amandla okuqhuba ukuhanjiswa kobushushu).
Amaqondo obushushu okungena nokujoliswe kuko kuwo omabini amacala ashushu nabandayo kufuneka abonelelwe (umzekelo, ukupholisa ukusuka kuma-80 ukuya kutsho kuma-50, ukufudumeza ukusuka kuma-20 ukuya kuma-60).
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· Umahluko wobushushu umisela ngokuthe ngqo amandla okuqhuba ukuhanjiswa kobushushu; Umahluko omncinci wobushushu ufuna indawo enkulu yokuhambisa ubushushu.
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· Kukwayimfuneko ukumisela ukuba ngaba kukho nakuphi na "iqondo lokunciphisa iqondo lobushushu"{0}}umzekelo, ukuba iimfuno zenkqubo ziyalela ukuba iqondo elibandayo{1}}lecala alinakugqitha kumda othile.
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· Ukuba utshintsho lwesigaba (olufana ne-condensation okanye i-evaporation) lubandakanyekayo, iprofayili yobushushu kufuneka icaciswe ngokwahlukileyo.
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3. Ukugqiba izinga lokuhamba kunye nomthwalo wokusebenza (umisela umlinganiselo wokutshintsha ubushushu)
Ubungakanani bomthamo okanye umthamo wevolumu kuwo omabini amacala ashushu nabandayo kufuneka abonelelwe, njengoko ezi zingamagalelo aphambili ekubaleni umthwalo we-thermal.
Kuyimfuneko ukwahlula phakathi kweemeko ezintathu zokusebenza: umthwalo ophezulu, umthwalo oqhelekileyo, kunye nomthwalo omncinci.
Ukuba inkqubo ibandakanya ukusebenza okuguquguqukayo (njengokuveliswa kwethutyana), ukulungelelaniswa neemeko zokusebenza eziguquguqukayo kufuneka ziqwalaselwe.
Ukuchaneka kwedatha yesantya sokuhamba kuqinisekisa ngokuthe ngqo ukuba umtshintshi wobushushu ugqithise okanye ungaphantsi.
4. Chaza imida yenkqubo kunye nezithintelo (izithintelo zobunjineli).
Cacisa ngokucacileyo obona bukhulu buvumelekileyo bokwehla koluhlu loxinzelelo{0}}umzekelo, Ngaphantsi okanye ukulingana ne-50 kPa okanye umda omiselwe ngumthamo wempompo.
→ Le parameter iyalela ngokuthe ngqo ukuyilwa kweetshaneli zepleyiti kunye nokukhethwa kwesantya sokuhamba, esebenza njengemeko yomda ebalulekileyo echaphazela ukusetyenziswa kwamandla kwenkqubo.
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Cacisa ngokucacileyo imiqobo yendawo yokufakela, kubandakanywa ubude besixhobo, indawo yokungena/indawo yokuphuma, kunye nokususwa kokulungisa.
→ Iimeko zesithuba ziya kuyalela ngokuthe ngqo imilinganiselo yesakhelo sokutshintsha ubushushu nokuba nokwenzeka kogcino lwexesha elizayo.
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Qinisekisa ukuba ukwandiswa kwamandla kwixesha elizayo kuvunyelwe (okuchaphazela ukuba umthamo weplate owongezelelweyo kufuneka ugcinwe).
→ Lo mba umisela ukuba uyilo lwemodyuli kufuneka lwamkelwe ukuvumela ukonyuka komthamo wokuhambisa ubushushu kwixesha elizayo.
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Qinisekisa ukuba inkqubo isebenza ngokuqhubekayo (echaphazela ukugcinwa kunye noyilo lokungafuneki).
→ Indlela yokusebenza iphembelela ukuba ngaba ulungelelwaniso lwezixhobo ezingasafunekiyo luyafuneka nokuba kusekwe njani na imijikelo yokucoca nokugcinwa kwayo.
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Ubalo lwe-Thermal kunye nokuMiswa kweeMfuno zokuTshintshela ubushushu (ISigaba soYilo olungundoqo)
1. Ukubalwa komthwalo we-thermal Q (imisela "iklasi yomthamo") yesixhobo
Ifomula yokubala esisiseko:
Q=m × Cp × ΔT
Ubalo kufuneka lwenziwe ngokwahlukileyo kumacala ashushu nabandayo; ithiyori, umgaqo wogcino lwamandla kufuneka waneliswe.
Uhlengahlengiso kufuneka lwenziwe luthathele ingqalelo ilahleko yobushushu okanye inkqubo-eyeyamene nokukhutshwa kobushushu/ukufunxa.
Ixabiso le-Q yiparameter ephambili emisela indawo yokutshintsha ubushushu.
2. Ukubalwa kweLogarithmic Mean Temperature Difference (LMTD) (Uhlalutyo lwamandla okuqhuba)
Isebenzisa i-counter{0}}ifomula yokubala yokubala:
LMTD=(ΔT1 - ΔT2) / ln(ΔT1 / ΔT2)
I-ΔT1 kunye ne-ΔT2 imele umahluko wobushushu kwiziphelo ezimbini.
I-LMTD encinci ibonisa ubushushu obubuthathaka{0}}umahluko wamandla okuqhuba, ofuna izixhobo ezinkulu.
Abatshintshi bobushushu bepleyiti bakholisa ukusebenzisa ikhawunta{0}}ilungiselelo lokuqukuqela ukonyusa iLMTD.
3. Flow correction factor F (i-structural influence factor)
• Xa ulwelo lunendlela yokudlula{0}}emininzi okanye{1}}engeyoyona ilungileyo, into yolungiso kufuneka yaziswe.
• Uluhlu oluqhelekileyo: 0.75–1.0.
• Iindlela zokudlula ezininzi{{0}ezinexabiso elisezantsi F{1}}, kodwa zingaphucula usasazo lwesantya.
• Isoftware yomenzi kufuneka isetyenziswe kunye noyilo.
Iingcaciso zepleyiti kunye nokuguqulwa koLwakhiwo (Ukusuka kwiThiyori ukuya kwiZixhobo)
1. Ukukhetha uhlobo lwepleyiti (imisela ukusebenza kakuhle kunye nokuhla kwamandla ombane)
• Iipleyiti zeHerringbone: Ukutshintshana kobushushu obuphezulu, kodwa uxinzelelo olukhulu luyancipha.
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• Iipleyiti zamathanki ezinzulu: Ukuhla koxinzelelo oluphantsi, kukulungele izinga lokuhamba okuphezulu, iinkqubo eziphantsi zokuxhathisa.
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• Amacangci anzulu: Amandla okuchasa{0}}ukuvala, alungele iimeko zokungcola.
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I-engile yepleyiti (umzekelo, i-30℃/ 60℃) ichaphazela ukuqina kwesiphithiphithi kunye neempawu zokutsala.
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2. Ubungakanani bepleyiti kunye nommandla wokutshintsha ubushushu zihambelana.
• Abavelisi abohlukeneyo basebenzisa iindawo ezahlukeneyo zeepleyiti (0.1–3 m²/ipleyiti).
• Iipleyiti ezinkulu zilungele-ukuqukuqela-inkqubo yezinga eliphezulu, ngelixa iipleyiti ezincinci zilungele iinkqubo zolawulo oluchanekileyo.
• Ubungakanani besixhobo kunye neendleko zokuzigcina kufuneka ziqwalaselwe xa kukhethwa ipleyiti.
• Kwindawo efanayo yokutshintshiselana kobushushu, ubungakanani beepleyiti ezahlukeneyo bunokukhokelela kumohluko omkhulu wesakhiwo.
Ukuba ufuna ukwazi ngakumbi malunga neeyunithi zokutshintsha ubushushu okanye unomdla wokuthenga, nceda uthumele i-imeyile ku- 9988xiaoshuai@gmail.com, siya kukuphendula kwangethuba emva kokubona umyalezo!
Iqela lobuchwephesha
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