Micro-channel heat exchangers (commonly known as parallel flow evaporators and condensers) were first researched by two professors at Stanford University in 1981, and began to be used in automotive air conditioning systems with the environmentally friendly refrigerant R134a as the refrigerant in 1996.
Development Of Micro Channel Heat Exchanger For Our exclusive parallel flow heat exchangers for the stand type air conditioner are illustrated in Fig. 2. Conventional parallel flow heat exchangers in auto mobile industry have 2 rows and several up & down flow pass through micro-channel flat tubes with the width of 15mm over and the hydraulic diameter of
MicroChannel Heat Exchanger MiroChannel heat exchanger is normally used in auto mobile , household and commercial AC system. In refrigeration area is intial stage, so we mainly focus on designing condenser & evaporator for this market.
Parallel Flow Aluminum Tubes - Microchannel TubesParallel flow aluminum tubes (also known as "aluminum alloy porous aluminum micro channel tubes ") is a kind of thin-walled porous flat tube material, which is mainly used to make parallel flow heat exchanger (also known as "microchannel heat exchanger" or "parallel flow microchannel heat exchanger") in various new environmental protection refrigerant air conditioning systems, It is a new type of environmental protection refrigerant
Mar 05, 2015 · This paper presents a method to quantify the distribution of liquid refrigerant mass flow rate in a parallel flow microchannel heat exchanger from the infrared images. Quantification is achieved by building the relationship between the liquid mass flow rate through each microchannel tube and the air-side capacity calculated from the infrared measurement of the wall temperature.
Quantification of Liquid Refrigerant Distribution in Microchannel heat exchangers have been widely used in air conditioning and refrigeration systems because of their compactness and enhancement for heat transfer performance. However microchannel heat exchangers suffer from the problem of refrigerant maldistribution, especially for evaporator. The none-uniform distribution of two phase
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