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RESEARCH PAPERS: Rock Mechanics/Emerging Energy Technologies

Thermoelastic Analysis of a Cracklike Reservoir in a Hot Dry Rock During Extraction of Geothermal Energy

[+] Author and Article Information
H. Abé

Department of Mechanical Engineering, Tohoku University, Sendai, Japan

H. Sekine

Department of Engineering Science, Tohoku University, Sendai, Japan

Y. Shibuya

Department of Mechanical Engineering for Production, Akita University, Akita, Japan

J. Energy Resour. Technol 105(4), 503-508 (Dec 01, 1983) (6 pages) doi:10.1115/1.3230963 History: Received December 03, 1982; Revised March 07, 1983; Online October 22, 2009

Abstract

The fracture mechanics study of the problem for a fluid-filled cracklike reservoir is made by including the thermoelastic effect. A two-dimensional crack is considered as a model of the vertical cracklike reservoir in the earth’s crust, and the crack is analyzed on the basis of the theory of quasi-static thermoelasticity. The fluid temperature at the outlet and the rock temperature are obtained. The variations of the shape and volume of the reservoir against time are shown in graphs.

Copyright © 1983 by ASME
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