1. Cov ntawv sau npe thiab cov ntsiab lus txhais
Cov Tshuaj Sau Ntawv Sau Npe
Coefficient of Performance:
COP=Siv tau cov nyhuv txias (KW) / Zog Zog (KW)
Qhov twg:
Pab tau txias cov nyhuv =} kub ເ absorັມ ntawm Evaporator (Q_evap)
Lub zog tswv yim=compressor ua haujlwm tawm (w_comp)
Theoretical ntau tshaj (carnot cop)
Cop_carnot {= t_evap (k) / [t_cond (k) {4 4} t_evap (k)
Cov tshuaj cuam tshuam:
Muab kev txwv tsis pub tshaj tawm
Cov qauv txheej txheem tsim qauv thiab ua kom zoo dua
Pab soj ntsuam kev ua haujlwm tiag
System -} Cov Lus Qhia Tshaj Lij Cov Lus Qhia
| Hom yam | COP muab xam | Cov kev txiav txim siab tshwj xeeb |
|---|---|---|
| Lub tub yees | Q_evap / w5Comp | Suav nrog txhua lub tshuab pa |
| Thaum Tshav Kub Kub Twj Tso Kua Mis | Q_Cond / w_Comp | Cua sov nyheej tau txiav txim siab |
| Iav chiller | Cua Txias Peev Xwm / Ta Nrho Lub Zog Zog Txhawb | Xws li twj tso kua mis thiab kiv cua lub zog |
2. TSEEM CEEB TSHEEJ RAU COP
Kev kub khiav tawm
ΔT=t_cond - t_evap
COP L 1 / ΔT
Cov tshuaj cuam tshuam:
Txhua qhov 1 kev txo qis hauv kev nqa txhim kho COP los ntawm 2-4%
Qhov zoo tshaj txoj kev kub heev
Ntu - Kev Txiav Txim Siab Ua Haujlwm
Feem tivthaiv cov khoom siv efficient
Compressor efficiency:
Yog ententropic efficiency (η_iso)
Volumetric efficiency (η_vol)
Mechanical efficiency (η_me)
Cov Khoom Siv Hluav Taws Kub:
Txoj kev kub
Fouling yam khoom
Huab Cua / Dej Flow Rates
Cov Txheej Txheem Tsim:
Tub yees xaiv
Yeeb Nkab Sizing Thiab Cov Teeb
Lub Tswv Yim Tswj Cov Tswv Yim
3. COP Kev Txwm Xyuas
Theoretical suav
Raws li thermodynamic yam ntxwv:
COP=(h_evap_out {{h_exp_in) / (h_comp_out {h_comp_in)
Qhov twg:
H_evap_out=enthalpy ntawm Evaporator Qhov Hluav Taws Xob
h_exp_in {{{= enthalpy ntawm nthuav dav valve inlet
H.COMP_OUT=enthalpy ntawm compressor qhov hluav taws xob
H_Comp_in {{{= enthalpy ntawm compressor inlet
Kev sim ntsuas ntsuas
Txoj kev ncaj qha:
Cop=Ntsuas Cua Txias Peev Xwm / Ntsuas Zog Zog
Kev Ntsuas Yuav Tsum:
Precision Zog Meters (± 1%)
Qhov Tseeb Kub Ntsuas Kev Ntsuas (± 0 Degree)
Tsim nyog cov tub yees tawm kev ntsuas
Khov kho - lub xeev cov xwm txheej
Cov Sim Software
Cov Cuab Yeej Paub Tshaj:
Engineering sib dhos (ees)
Refprop rau cov tub yees
Txheej Txheem Simulation Software
Cov Dej Xam Dej Kev Ua Si (CFD)
4. Cov tswv yim hais txog cov tswv yim txhim kho
Kev ua hauj lwm operize
Tswj kub:
Qis dua kev ua kom sov
Ntau dua evaporating kub
Qhov zoo tshaj plaws txoj kev kub
Ntws Tswj:
Kuj tsis paub meej ceev compressors
Cov kiv cua kom zoo thiab ua kua kub ceev
Tsim nyog them
Txij Nkawm Kev Ua Haujlwm Zoo
Kev Kho Cua Sov:
Niaj zaus chil tu
Cov Kev Kho Mob Dej
Kev tiv thaiv
System Kev Ncaj Ncees:
Kev tiv thaiv thiab nrhiav kom tau
Lub Tsim Kho Lubrication
Txheej Txheem Ntsuas
Kev Tsim Kho
Cov khoom sib txawv:
Siab - eff effecticic compressors
Microchanan Hluav Taws Xob Tshav Taws Hluav Taws Xob
Kev nthuav dav hluav taws xob
System Placuration:
Khomoj Kev Ncig
Zov - theem teeb
CUA KUB TSHUAB Rov Qab
5. Kev Lag Luam Cov Qauv thiab Cov Cai
Cov Qauv Thoob Ntiaj Teb
ISO 5151:Cua Txias Kuaj Cov Qauv
AHRI 550/590:Chiller Kev Ntsuas Ntsuas
En 14511:Tshuab ntshawb cua txiav thiab cua sov Twj
Kev tswj hwm kev txuag hluav taws xob
Yam tsawg kawg nkaus cov tub ceev xwm:
Cov Qauv Txheej Txheem Hauv Cheeb Tsam Kev Siv Hluav Taws Xob
Txoj Cai Yuav Tsum Tau Ua
Cov kev cai ib puag ncig
Cov Ntawv Pov Thawj:
Lub Koob Tsheej Fob phia lub hnub ci agification
Eurovent Daim Ntawv Pov Thawj
AHRI ntawv pov thawj
6. Kev Kawm Txog Kev Kawm thiab Cov Qauv Qhia
Ua piv txwv tub yees piv txwv li
Hom Hom:Nruab Nrab -} kub kub system
Baseline Cop: 2.1
Kev txhim kho kev ntsuas:
Floating Taub Hau Siab Tswj
Evaporator ntxuam cov khoom siv
Ua Kom Zoo Tshaj Amplification
Qhov tshwm sim:Hloov kho kom zoo rau 2.8 (33% txhim kho)
Piv Txwv Cua Sov
Hom Hom:Centrifugal Chiller
Baseline Cop: 5.2
Kev txhim kho kev ntsuas:
Condenser raj ntxuav
Kuj tsis paub meej watch dration
Qhov Zoo Tshaj Tswj Chaw thau khoom
Qhov tshwm sim:Cop txhim kho rau 6.1 (17% txhim kho)
7. Tawm thev naus laus zis thiab cov qauv yav tom ntej
Advancies Advression Technianies
Sib Nqus Cov Kabmob Compressors:
Roj - kev ua haujlwm pub dawb
Kuj tsis paub meej ceev lub peev xwm
Txo kev saib xyuas
Digital Compression:
Kev Tswj Xyuas Tshwj Xeeb
Txhim Kho Cov Lus -} phoo ntawv kev ua haujlwm
Txhim kho kev cia siab
Lwm Txoj Kev Siv Technologies
Ejector Systems:
Txo Compressor Ua Haujlwm
Txhim Kho Tooj
Nkim kub siv
Thermoelectric txias:
Cov khoom - Lub Xeev Technology
Precise Kub Tswj
Cog Lus Tsim
8. Kev tshuaj xyuas thiab txhim kho txuas ntxiv
Kev Taug Xyuas Taug Kev
Cov cim tseem ceeb:
{- sij hawm mus saib xyuas
Kev Ua Zog Nrhiav Kev Taug Kev
Txij Nkawm Teem
Cov ntaub ntawv tsom xam:
Kev Tshawb Fawb
Kev sib piv
ALERT SYSTEMS RAU DEMIALS
Cov khoos kas optimization
Kev ua haujlwm txuas ntxiv:
Ua Ntej Kev Ua Haujlwm
Kev kho kom haum system
Kev tiv thaiv kev sib koom ua ke
Lub Zog Kev Tswj Xyuas Lub Zog:
Kev Rho Tawm Kev Tswj Xyuas Kev Ua Haujlwm Zoo
Kev Txij Nkawm Txij Nkawm
Kev Qhia Ua Haujlwm
Tag
COP tsom kwm muab lub moj khaum muaj zog dua rau kev nkag siab, ntsuas, thiab txhim kho cov tub yees kev ua haujlwm tau zoo. Los ntawm kev nkag siab cov tub luam thiab siv cov tswv yim txhim kho kom ua tau zoo thiab kev ua tiav hluav taws xob yuav ua tiav txhua hom ntawm cov tub yees thiab cua txias tshuab.
Kev txhim kho txuas ntxiv ntawm cov txuj ci siab tshaj lij thiab cov tswv yim tswj tau txuas ntxiv ntawm cov ciaj ciam ntawm cov neeg muaj nuj nqis cop kev txhawj xeeb thiab cov kev txhawj xeeb ib puag ncig ua cov kev tsim nyog hloov kho kom nce qib. Kev tshuaj xyuas kev coj tsis tu ncua, txij nkawm, thiab kev ua kom zoo yog qhov tseem ceeb rau kev tu siab cov txiaj ntsig siab thoob plaws hauv lub tsev haujlwm.
