Results 41 to 50 of about 257 (75)

Investigation on Air-flow Field for Medium/large Size Air Source Heat Pump

open access: yesZhileng xuebao, 2010
The airflow field of the heat exchanger at the air side of an air source heat pump heater/chiller was studied by using the CFD software.The numerical results were validated by the experiments.The influence of the intersect angle on the airflow field was ...
doaj  

Performance Analysis on a Solar-powered Air-cooled Two-stage Ejector Refrigeration System with Ammonia as Refrigerant at Cold Storage

open access: yesZhileng xuebao, 2011
By the establishment of a mathematical model on a solar-powered air-cooled two-stage ejector refrigeration system using ammonia as refrigerant,the performance of ejector refrigeration system with rated refrigeration capacity of 9.4kW for cold store was ...
doaj  

Study on Defrosting Control Technology of Air Cooled Refrigerator

open access: yesZhileng xuebao, 2013
A kind of automatic defrosting control technology, named time-temperature difference method, was developed, which can indirectly identify the change of refrigerating capacity of refrigerator. Based on the compressor running time, degree of attenuation of
Tang Xiaoliang   +4 more
doaj  

Research Development of Numerical Simulation for Display Cabinets and Air Curtains

open access: yesZhileng xuebao, 2011
In this paper,the current status of numerical simulation on display cabinets and air curtains are introduced,including the mathematical models,CFD software,model simplification,boundary conditions.The existing problems of current researches are pointed ...
doaj  

Experimental Characterization of the Joule-Thomson Cryostat of a Cryoprobe

open access: yesZhileng xuebao, 2012
Various experiments were conducted to measure the temperature and flow rate of a Joule-Thomson cryostat corresponding to different precooling temperatures of nitrogen and thermalload.
叶萍   +4 more
doaj  

Experimental Investigation of HFC410A Air-conditioning System Substituted for Liquid-vapor Separation Condenser

open access: yesZhileng xuebao, 2012
Liquid-vapor separation condenser (LSC) is a kind of heat exchanger with high in-tube condensation heat transfer coefficient. It adopts some enhancement means, such as the parallel flow condensation with multi tube passes, draining away condensate ...
Deng Lisheng   +4 more
doaj  

Ontogenetic variability of the Siberian silk moth, <i>Dendrolimus sibiricus</i>. [PDF]

open access: yesFront Insect Sci
Akhanaev YB   +7 more
europepmc   +1 more source

From Adam's rib: the Siberian moth's female W chromosome is derived from its Z counterpart. [PDF]

open access: yesMol Biol Evol
Shipova AA   +8 more
europepmc   +1 more source

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