Abstract
In the technical work on low temperature so far lacks a full analysis of the basis of thermodynamic processes using modern methods. Meanwhile, the low temperature conventions widely used in different fields. The purpose of this section is to give readers tools for thermodynamic studies and presents changes in the system on a fairly low temperature, intuitive nature and practices for analysis low-temperature processes related to cold and depth on the basis of using a unified approach. The low temperature process is applied in a number of techniques including basic process repeated. So it is best to preliminary studies the changing characteristics of our energy to then study the overall process.
Highlights
The thermal effect is a magnetic thermodynamic phenomenon, which is the change in temperature of a magnetic material during magnetization or demagnetization[1]
When we apply a magnetic field to a magnetic material, the magnetic moments will tend to align the orientation according to the magnetic field
The low temperature technique is the second case. This "useful" heat exchanger is an essential element of any low temperature process and is carried out in one or another structural heat exchanger
Summary
The thermal effect is a magnetic thermodynamic phenomenon, which is the change in temperature (heated or cooled) of a magnetic material during magnetization or demagnetization[1]. The second necessary part of any low temperature process based on expansion is the preliminary compression of the material in this or another compressor for the purpose of creating the exergi necessary to carry out the process. In non-reversible isothermal processes, the gas exergium temperature during compression is non-zero; regardless of this, the heat flow is transferred to the ambient at T0. The L+ consumption in compressors is costly to increase the exergi E, to exhaust or heat the gas, its exergi is equal to e, and partly to the non-reversible ΣD losses In this case if the process is reversible ΣD = 0. The amount of labor cost in the same top and bottom states can increase or decrease depending on the heat released into the surrounding environment
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