Plasma heat pump and heat engine

Avinash, K. (2010) Plasma heat pump and heat engine Physics of Plasmas, 17 (8). Article ID 082105. ISSN 1070-664X

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A model system where cold charged particles are locally confined in a volume VP within a warm plasma of volume V(VP ⪡ V) is studied. Charged particles mutually repel via a shielded repulsion which is like an effective pressure, i.e., electrostatic pressure PE. The law of thermodynamics involving PE and an equation of state for PE are obtained. It is shown that the expansion/compression of electrostatic fields associated with charged particles is a new mechanism that converts mechanical work into plasma heat and vice versa. Two applications of this theory are, first we propose a pumping device which heats plasmas by an adiabatic/isothermal compression of fields. Heating power ranging from a few hundred watts to a few kilowatts is possible with the present day technology. Second, we discuss the feasibility of constructing an electrostatic heat engine which converts plasma heat into mechanical work via plasma electric fields. Effects of PE are shown to be observable in colloidal solutions.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
ID Code:102882
Deposited On:09 Mar 2018 10:43
Last Modified:09 Mar 2018 10:43

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