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Questions related from Jeff Wang
How does a SLHX impact refrigerant charge? The attached diagram shows the results from a typical air cooler's R290 unit: The unit R290 total charge decreases with the increase of SLHX vapour...
19 September 2018 4,491 10 View
Charge minimization is essential for flammable refrigerant RAC system designs. One of the solutions is using small, mini or micro channel heat exchangers. Nowadays, cost-effective air coil heat...
16 August 2018 8,140 4 View
It's vital to minimise the flammable refrigerant charge quantity while retaining the high energy efficiency of refrigeration and air-conditioning units. Here are the tips that I list for your...
10 July 2018 1,085 12 View
We need the test data of propane/R290 and isobutane/R600a solubility in POE lubricant oils. The data will be used to model the refrigerant quantity dissolved in compressor oils ( www.refriglab.com...
21 May 2018 9,680 1 View
Dehumidifying air coils have been widely used for refrigeration and air-conditioning systems. Generally the moist air dehumidifying over the fin surfaces is complicated for modelling....
10 May 2018 4,024 6 View
Generally, academic researchers focus on publishing on public journals while company researchers are more interested in patenting. Sometimes, it is hard to choose between publishing your good...
21 April 2018 5,729 8 View
Most of us have the experiences being invited to write or review a paper for a new online journal. It looks that it is generally much easier and quicker to publish on the new online journals. Do...
20 April 2018 963 5 View
The cloud technology features its computing and storage capacity, and high reliability. The question is how we refrigeration and air-conditioning (RAC) professionals use the cloud computing, and...
27 February 2018 5,501 2 View
Isentropic efficiency and volumetric efficiency of a refrigeration compressor are very important for system operations. It is known that both efficiency values will be attenuated with running...
24 February 2018 6,615 6 View
Copper capillary tube has been widely used for expansion device in small refrigeration units. A lot of experimental and theoretical research work has been done. Stainless steel capillary tubes are...
12 February 2018 4,141 1 View
It looks that the fluid flow channel size of heat exchangers is becoming smaller and smaller. The widely used air coil heat exchangers for refrigeration and air-condioning, for example, use copper...
27 January 2018 3,537 9 View
It's vital to optimise the refrigerant charge for refrigeration and air-conditioning units. The attached are charging curves of a typical air cooler R290 unit with 5mm OD tube air coils based on...
01 January 1970 6,654 3 View
The smaller, the better? What can we benefit from using mini/micro channel heat exchangers in refrigeration and air-conditioning systems? Any thoughts shared here will be much appreciated. The...
01 January 1970 6,496 6 View
