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List of contents and author index 目录和作者索引
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90018-4
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引用次数: 0
Electrical induction heating: A new approach to underground coal gasification 电磁感应加热:煤地下气化的新途径
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90003-2
S.T. Fisher
{"title":"Electrical induction heating: A new approach to underground coal gasification","authors":"S.T. Fisher","doi":"10.1016/0013-7480(79)90003-2","DOIUrl":"10.1016/0013-7480(79)90003-2","url":null,"abstract":"<div><p>Coal has a high eddy-current loss, and thus absorbs energy efficiently from an intense magnetic field. This principle can be used to distill high-heat-value gas and tar from a coal deposit. Subsequently, the residual char may be gasified by combustion heating. The overall process shows significant advantages over present methods of underground coal gasification by combustion. Available physical and chemical data and laboratory investigations indicate the technical and economic feasibility of the process.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 2","pages":"Pages 77-84"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90003-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86389118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Efficiency improvements in bioenergy conversion systems 提高生物能源转换系统的效率
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90019-6
Christopher W. Lewis
{"title":"Efficiency improvements in bioenergy conversion systems","authors":"Christopher W. Lewis","doi":"10.1016/0013-7480(79)90019-6","DOIUrl":"https://doi.org/10.1016/0013-7480(79)90019-6","url":null,"abstract":"<div><p>A discussion of the main bioenergy conversion systems is presented, including their respective efficiencies and how these are being improved. The concept of net energy analysis is also introduced as a guideline for determining system efficiencies and process selection.</p><p>Combustion remains the most efficient conversion method for dry organic matter, with anaerobic digestion and ethanolic fermentations preferred for biomass containing a high percentage of water. The efficiencies of gasification, pyrolysis and the longer term proposition of biophotolysis are also covered.</p><p>While most of the data presented accrues from industrialized, intensive systems it is envisaged that bioenergy will make its greatest impact within the nations of the Third World.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 3","pages":"Pages 125-131"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90019-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72292671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Limits to wind-power 风力发电的限制
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90001-9
R.W.B. Best
{"title":"Limits to wind-power","authors":"R.W.B. Best","doi":"10.1016/0013-7480(79)90001-9","DOIUrl":"10.1016/0013-7480(79)90001-9","url":null,"abstract":"<div><p>Simple formulas are given for the change in wind-power, frictional stress and vertical energy transport in the atmospheric boundary layer, caused by the erection of windmill arrays. The limit to wind-power conversion appears to be around 1 W/m<sup>2</sup> of terrain in both coastal and inland areas.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 2","pages":"Pages 71-72"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90001-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"112638322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
The role of interfacial heat and mechanical energy transfers in a liquid-metal MHD generator 液体-金属MHD发电机中界面热和机械能传递的作用
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90007-X
G. Fabris, E.S. Pierson
{"title":"The role of interfacial heat and mechanical energy transfers in a liquid-metal MHD generator","authors":"G. Fabris,&nbsp;E.S. Pierson","doi":"10.1016/0013-7480(79)90007-X","DOIUrl":"10.1016/0013-7480(79)90007-X","url":null,"abstract":"<div><p>A brief description of the two-phase liquid-metal MHD power generation cycle and its advantages is provided. The importance of good interfacial liquid to gas heat transfer is discussed, and data confirming that satisfactory heat transfer is indeed achieved in an experimental generator is presented. An expression for the effect of the velocity difference between the gas and the liquid on generator performance is derived. An ‘equivalent turbine’ efficiency is defined to characterize the generator as part of a heat engine and related to experimental data.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 2","pages":"Pages 111-118"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90007-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"108913062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Performance matching and optimization of wind powered water pumping systems 风力水泵系统性能匹配与优化
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90014-7
G.M. Bragg, W.L. Schmidt
{"title":"Performance matching and optimization of wind powered water pumping systems","authors":"G.M. Bragg,&nbsp;W.L. Schmidt","doi":"10.1016/0013-7480(79)90014-7","DOIUrl":"10.1016/0013-7480(79)90014-7","url":null,"abstract":"<div><p>A procedure is presented which allows optimum selection of pumps and windmills for a given water pumping situation. When information on the wind, pump characteristics and windmill characteristics is available, the best pump and windmill for the application may be selected, and the design and off-design performance of the complete system may be predicted.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 1","pages":"Pages 33-39"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90014-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88398732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Evacuated heat pipe solar collector 真空热管太阳能集热器
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90004-4
F. Mahdjuri
{"title":"Evacuated heat pipe solar collector","authors":"F. Mahdjuri","doi":"10.1016/0013-7480(79)90004-4","DOIUrl":"10.1016/0013-7480(79)90004-4","url":null,"abstract":"<div><p>A tubular evacuated solar collector with rectangular performance characteristics is introduced. The heat transfer from the absorber plate with selective coating to the water tubing occurs via a heat pipe system. In order to avoid any delay in the operation of the heat pipe due to superheating of the vapour, we have introduced a trap mechanism for the condensed liquid. To avoid the disadvantage of the high no-load condition of the vacuum collectors we have used the physical features of the critical point of the heat pipe working fluid.</p><p>Above the critical temperature, <em>T</em><sub><em>c</em></sub> of the working fluid the condensation effect will disappear. This means that above <em>T</em><sub><em>c</em></sub> the heat transfer property of a heat pipe will vanish. This will cause only a slight increase of the condenser temperature above <em>T</em><sub><em>c</em></sub> of the liquid used. For our heat pipe system we have chosen working liquids with critical temperature between 95–115°C.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 2","pages":"Pages 85-90"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90004-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74774613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Simplified theory of nonuniform electrical conduction for an open cycle MHD generator with shaped magnetic induction 具有形状磁感应的开环MHD发电机非均匀导电简化理论
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90021-4
Naoyuki Kayukawa, Yasutomo Ozawa
{"title":"Simplified theory of nonuniform electrical conduction for an open cycle MHD generator with shaped magnetic induction","authors":"Naoyuki Kayukawa,&nbsp;Yasutomo Ozawa","doi":"10.1016/0013-7480(79)90021-4","DOIUrl":"https://doi.org/10.1016/0013-7480(79)90021-4","url":null,"abstract":"","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 3","pages":"147-152"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90021-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72292668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Energy use management—An appropriate technology 能源使用管理——一项合适的技术
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90027-5
Craig B. Smith , Rocco A. Fazzolare
{"title":"Energy use management—An appropriate technology","authors":"Craig B. Smith ,&nbsp;Rocco A. Fazzolare","doi":"10.1016/0013-7480(79)90027-5","DOIUrl":"10.1016/0013-7480(79)90027-5","url":null,"abstract":"<div><p>The central thesis of this work is that the proper management of energy usage by the end user can have immediate and far reaching benefits for humanity. These benefits can occur within the next few years, require low capital investments, and can be implemented by individuals, institutions, or governments immediately. In contrast, new energy supply options yield benefits not now but in the future, require mammoth capital investments, and depend on complex governmental policy decisions before any action can be taken. Implementation must be thought of in terms of decades rather than years.</p><p>Much stronger national energy management programs are therefore warranted in the industrialized nations and in developing countries. Effective national programs may be difficult to achieve politically. In this case citizens should initiate actions at the community level to encourage local energy management programs.</p><p>The course of human and economic events in the world with respect to the availability of energy has further emphasized the global priority for improving energy utilization patterns in the future. The ideas and concepts expressed herein reflect vital issues and perspectives which have yet to be eclipsed by time.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 4","pages":"Pages 181-233"},"PeriodicalIF":0.0,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90027-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80919121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
A novel thermal engine using metal hydride 一种新型金属氢化物热机
Energy Conversion Pub Date : 1979-01-01 DOI: 10.1016/0013-7480(79)90016-0
K. Nomura, Y. Ishido, S. Ono
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引用次数: 28
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