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| Influences of different parameters of return air duct onuniformity distribution of temperature and humiditywithin refrigeration compartment |
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| DOI： |
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| Abstract: |
| We…changed…the…length， width…and…height…parameters…of…return…air…duct， established…refrigeration…
compartment…test…platform， got…on…parameter…combinations…orthogonal…experiments…under…the…same…conditions…of…
blower…frequency， opening…bulkhead…opening…rate…and…crate…stacking…method， respectively…conducted…cooling…and…
humidification…tests…taking…unevenness…in…longitudinal…section…and…cross…section…as…assessment…indicators， variance…
analysis， visual…analysis…and…range…analysis…were…used…to…study…the…influences…of…different…parameters…of…return…air…
duct…on…uniformity…distribution…of…temperature…and…humidity…within…the…refrigeration…compartment.…The…results…showed…
that， when…the…return…air…duct…parameter（length…×…width…×…height）was…1 500…mm…×…500…mm…×…60…mm， the…
temperature…had…the…most…uniformity； when…return…air…duct…parameter…was…1 500…mm…×…800…mm…×…80…mm， the…
humidity…had…the…most…uniformity.…Using…weight…comprehensive…value…analysis…integrated…temperature…and…humidity…
field…on…a…combination…of…orthogonal…experiment…to…evaluate…the…results…of…the…return…air…duct， the…optimal…combination…
of…parameters…was…1 500…mm…×…500…mm…×…60…mm. |
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