Generalized Available Potential Energy

Yong. L. McHall

doi:10.1007/BF03008870

Impact Factor: 6.5

Volume 7 Issue 4

Oct. 1990

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1990 > 7(4): 395-408

Generalized Available Potential Energy

Yong. L. McHall

1.
Dept. of Meteorology, University of Edinburgh EH9 3JZ, U.K.

Yong. L. McHall

doi: 10.1007/BF03008870

Abstract
References
Related papers
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Abstract:
The kinetic energy generation in either the dry or moist atmosphere may be estimated by the same relationships if we introduce the new concept of generalized available potential energy. The largest magnitude of generalized availa-ble potential energy and corresponding reference state of either dry or moist atmosphere are calculated in terms of the initial conditions and entropy variation of the atmosphere. The obtained relationships are applicable for the statically unstable atmosphere as well. The generalized available potential energy associated with reversible processes reaches the maximum with respect to same initial state. While the generation of kinetic energy in irreversible processes is characterized by sudden changes. When the reference state is assumed to be saturated, we may predict the final tem-perature and moisture fields corresponding to provided initial state and entropy variation.
References

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Manuscript History

Manuscript received: 10 October 1990

Manuscript revised: 10 October 1990

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Generalized Available Potential Energy

Yong. L. McHall

1. Dept. of Meteorology, University of Edinburgh EH9 3JZ, U.K.

Manuscript received: 1990-10-10
Manuscript revised: 1990-10-10

Abstract: The kinetic energy generation in either the dry or moist atmosphere may be estimated by the same relationships if we introduce the new concept of generalized available potential energy. The largest magnitude of generalized availa-ble potential energy and corresponding reference state of either dry or moist atmosphere are calculated in terms of the initial conditions and entropy variation of the atmosphere. The obtained relationships are applicable for the statically unstable atmosphere as well. The generalized available potential energy associated with reversible processes reaches the maximum with respect to same initial state. While the generation of kinetic energy in irreversible processes is characterized by sudden changes. When the reference state is assumed to be saturated, we may predict the final tem-perature and moisture fields corresponding to provided initial state and entropy variation.