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Optimal synthesis of multi-plant heat exchanger networks considering both direct and indirect methods

Chinese Journal of Chemical Engineering 2020年第2期28卷 456-465页

作者： Chenglin Chang YufeiWang Xiao Feng State Key Laboratory of Heavy Oil Processing China University of PetroleumBeijing 102249China School of Chemical Engineering Xi'an Jiaotong UniversityXi'an 710049China

Heat exchanger networks(HENs)in separated plants can be simultaneously synthesized through process streams directly or intermediate fluids ***,the direct and indirect methods are studied separately in most existing *** the result,conventional designs are probably suboptimal,because optimal solutions may call for hybrid approach wherein direct and indirect integration methods are used *** circumvent this drawback aforementioned,we propose in this research a novel methodology to synthesize multi-plant HENs considering both direct and indirect *** methodology employs a novel superstructure covering most potential topologies for both interplant and intra-plant heat *** also take into account multiple kinds of intermediate fluids for indirect integration and this has not been fully addressed in previous research.A mixed-integer nonlinear programming(MINLP)is formulated to optimize multi-plant HENs involving indirect and direct *** example from existing literature and one industrial problem are solved to demonstrate the methodology’s capability.

关键词： HENs multi-plant Heat integration Superstructure MINLP

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MODELS OF THE SPATIAL EVOLUTION OF multi-plant ENTERPRISES

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Chinese Geographical Science 1994年第2期4卷 134-147页

作者：费洪平 1. Department of Geo and Ocean Sciences Nanjing University 210008 Nanjing PRC

Since the 1970s, the studies on the geography of enterprise have become increasingly concerned with the spatial evolution of an enterprises in the West developed countries. However, little attention has so far been given to the spatial evolution of an enterprise in China. With China's ongoing economy and political reforms, a number of fundamental changes of enterprise behavior have occurred. These changes have certainly important influences on the evolution of industrial location. Therefore, there is a need for examining the spatial evolution of an enterprise in China. The purpose of the paper is to review the mapjor models of both the growth,and associated spatial evolution of an enterprise, with an illustrative case study of the HeaVy Automobile Enterprise Group of China. The paper is organized by three parts. The first examines the spoilal groWth and location adjustment of multi-plant enterprise. The second reviews mapjor models of the spatial evolution of an enterprise. And the third analyzes the spatial evolution, over a period of time, of a representative sample of the Heavy Automobile Enterprise Group of China, and illustrates the findings with case studies. It is suggested that the models of spatial evolution of an enterprise would provide more evidence about micro-mechanism for evolution of micro- regional economic systems.

关键词： multi-plant enterprises enterprise groups spatial evolution of an enterprise spatial growth location adjustment

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预言二十一世纪

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中国青年研究 1994年第Z1期 26-27页

作者：金耀基香港中文大学

预言二十一世纪金耀基美国历史学家保罗·肯尼迪（ＰａｕｌＫｅｎｎｅｄｙ）于１９８７年出版《世界强权的兴衰》（ＴｈｅＲｉｓｅａｎｄＦａＩｌｏｆｔｈｅＧｒｅａｔＰｏｗｅｒｓ），洛阳纸贵，名噪一时，当时在全美畅销书榜上名列前... 详细信息

预言二十一世纪金耀基美国历史学家保罗·肯尼迪（ＰａｕｌＫｅｎｎｅｄｙ）于１９８７年出版《世界强权的兴衰》（ＴｈｅＲｉｓｅａｎｄＦａＩｌｏｆｔｈｅＧｒｅａｔＰｏｗｅｒｓ），洛阳纸贵，名噪一时，当时在全美畅销书榜上名列前茅。由于肯尼迪谈到美国跨进２１世纪...

关键词： geography of enterprise multi-plant enterprise spatial behaviour of enterprise

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