Chaoqin Zhai

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A solid desiccant based ventilation system has been installed to provide ventilation, and cooling/heating as needed, to the Intelligent Workplace (IW) of Carnegie Mellon University, as part of the IW Energy Supply System (IWESS). Since its installation, extensive testing data have been collected and analyzed to characterize the operating performance and(More)
The paper sets up the theory model that includes in the exchange of matter and energy between the heat background gas and the condensate on the base of Bose-Einstein Condensate(BEC) at the premise of induced gravity-like. We introduce the coefficient of loss ratio of three body recombination collision. The conclusion indicates that the model accords with(More)
In relativistic field models nucleons and mesons are all regarded as point-like particles. These models can be used to describe main properties of nuclear matter. In fact, however, a nucleon has a definite size. It is wellknown that in standard state of nuclear matter, the total volume occupied by all nucleons is about ten percent of the volume of nuclear(More)
In this paper, four different system configurations: • a conventional stand alone direct expansion (DX) cooling coil, • an enthalpy wheel together with a DX coil, • a desiccant wheel followed by an enthalpy wheel together with a DX coil, • and an enthalpy wheel followed by a desiccant wheel as well as a heat pipe together with a DX coil, are simulated and(More)
The paper deals with the problem that Bose-Einstein Condensate (BEC) with positive scattering length of S-wave of alkali metal atom simulates a one-dimension isolated static stellar black hole at primary level, under 1/R type of attractive potential in manners of ”laser beam bathing” by radiation of six groups of laser including eighteen beams of laser. The(More)
In recent years, indoor humidity levels are gaining greater attention in building design and operation, due to the increasing concern over moisture-related problems, such as mold growth, indoor air quality and discomfort of the occupants. At the same time, building energy consumption, especially at peak electric demand, is also becoming a significant(More)
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