In the process of mechanical refrigeration, heat is transferred by convection, conduction, and radiation.
A mathematical model for simulating the working process of screw refrigeration compressor under superfeed condition with the economizer is presented; especially the flow coefficient of superfeed is obtained by the experimental research.
The heat rejected by the adsorber beds and condensers during the cooling process of the refrigeration part is recovered and used to heat water for the purpose of domestic consumption.
The aim of the proposed knowledge-based troubleshooting system (KBTS) is to integrate the troubleshooting process of automotive refrigeration system into a single architecture for retrieving knowledge and experience of technicians in automobile repairing field.
A mathematical model describing the working process of screw refrigeration compressor with a slide valve assembly under part-load conditions is established based on the calculation of the effective by-pass area and radial discharge area.
By using the optimal control theory, the minimum total power input of the system with non-zero cooling rates is calculated and the temperatures of the working fluid in the isothermal processes of the refrigeration cycles are optimized.
The power of this methodology lies in its capability to distinguish process merits attributable to process configurations from impacts of refrigeration balances.
This paper presents the development of a comprehensive simulation model of a horizontal scroll compressor, which combines a detailed compression process model (Chen Y., Halm N., Groll E., Braun J. Mathematical modelling of scroll compressors — part I: compression process modeling, International Journal of Refrigeration 2002 25 6):731–750) and an overall compressor model.
Such methods for the simulation of all types of vapour liquid equilibrium (VLE) are particularly important, because they potentially permit their direct application to the design of refrigeration processes.
