Classification of Geothermal Energy Resources in Japan Applying Exergy Concept
Classification of Geothermal Energy Resources in Japan Applying Exergy Concept
复制标题
应用㶲概念对日本地热能资源进行分类
DOI：
10.1002/er.3002
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
et al
中科院分区：
文献类型：
--
作者：
Jalilinasrabady;et al
对能源消费的更高需求和环境问题的重要性促使研究人员和决策者更加认真地考虑可再生能源。地热资源是一种绿色能源，可在一些国家作出相当大的贡献。日本的地热能潜力排名第三，地热发电量目前在世界上排名第八。由于地热资源的性质决定了其利用方法，因此对可用资源进行分类很重要。关于地热资源的分类没有共识。大多数科学家，从地质学家到工程师，都同意温度这个术语。然而，单独的温度或焓不能描述流体的性质;它们可以具有相同的温度，但具有不同的相，例如饱和水或饱和蒸汽。利用火用对资源进行分类，有利于根据它们做功的能力进行比较。本文对日本18个正在运行的地热发电厂进行了地热资源的火用分类。根据其SExI值超过0.5，6个地热田具有高（火用）资源。日本剩余的地热田被归类为中等资源区。分类结果可供决策者作为未来地热开发的参考。版权所有© 2012约翰威利父子有限公司.
Higher demand for energy consumption and importance of environmental issues has encouraged researchers and policy makers to consider renewable energies more seriously. Geothermal resources are a green energy source that can make a considerable contribution in some countries. Japan has the third ranking geothermal energy potential, and its geothermal electricity production is currently eighth in the world. Since the nature of geothermal resources dictates its method of utilization, it is important to categorize available resources. There is no consensus on classification of geothermal resources. Most scientists, from geologist to engineers, agree on the term temperature. However, temperature or enthalpy alone cannot describe the nature of fluids; they can have same temperature with different phases, such as saturated water or saturated steam. Using exergy for resource classification benefits their comparison, according to their ability to do work. In this paper, exergetic classification of geothermal resources was applied to 18 under‐operating geothermal power plants in Japan. Six geothermal fields have high exergy resources according to their SExI values in excess of 0.5. The remaining geothermal fields in Japan are classified in the medium resources zone. Classification results can be used by decision makers as a reference for future geothermal development. Copyright © 2012 John Wiley & Sons, Ltd.