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Comparison of the available solar radiation on flat-plate and concentrating solar collectors in Turkey 土耳其平板太阳能集热器和聚光太阳能集热器可用太阳辐射的比较
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90098-M
E. Taşdemiroǧlu , F. Arinç
{"title":"Comparison of the available solar radiation on flat-plate and concentrating solar collectors in Turkey","authors":"E. Taşdemiroǧlu ,&nbsp;F. Arinç","doi":"10.1016/0741-983X(90)90098-M","DOIUrl":"10.1016/0741-983X(90)90098-M","url":null,"abstract":"<div><p>The long-term average annual solar radiation (LTAAR) on flat-plate and five main types of concentrating collectors are calculated. The results are presented for six climatologically different regions in Turkey. The effects of increase in concentration ratio on LTAAR values are discussed for both clear and cloudy atmospheres. The monthly variation of available radiation on the same collector geometries are graphically presented for clear and cloudy atmospheric conditions.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 2","pages":"Pages 293-297"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90098-M","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84753652","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: 3
Prediction of a photovoltaic system performance using cumulative frequency curves of radiation 利用辐射累积频率曲线预测光伏系统性能
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90066-B
France Lasnier, S. Sivoththaman
{"title":"Prediction of a photovoltaic system performance using cumulative frequency curves of radiation","authors":"France Lasnier,&nbsp;S. Sivoththaman","doi":"10.1016/0741-983X(90)90066-B","DOIUrl":"https://doi.org/10.1016/0741-983X(90)90066-B","url":null,"abstract":"<div><p>The system performance of stand-alone photovoltaic systems is analysed. From the hourly radiation data for Bangkok (from 1984 to 1987) the cumulative frequency curves of radiation are generated and a typical meteorological day (TMD) is created each year. The system performance is determined using both the TMD radiation and the actual radiation values. The comparison results show that the TMD method can be applied for the sizing of stand-alone photovoltaic systems. The storage batteries of realistic sizes usually exhibit a daily cyclic variation in state-of-charge, with constant load consumption. Only very large and unrealistic sizes of batteries show a seasonal variation in state-of-charge. This is the fact that prompted the attempt to predict the system performance for a season by using a single representative day (TMD) of that season. Apart from giving reliable results, the TMD method significantly reduces the computation time and simplifies the process.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 5","pages":"Pages 577-583"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90066-B","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90031696","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: 4
Wind/diesel village-scale electric power systems: The performance and economic analysis of a simulated village system 风力/柴油村庄规模的电力系统:模拟村庄系统的性能和经济分析
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90027-Y
S.R. Connors, J.G. McGowan , J.F. Manwell
{"title":"Wind/diesel village-scale electric power systems: The performance and economic analysis of a simulated village system","authors":"S.R. Connors,&nbsp;J.G. McGowan ,&nbsp;J.F. Manwell","doi":"10.1016/0741-983X(90)90027-Y","DOIUrl":"10.1016/0741-983X(90)90027-Y","url":null,"abstract":"<div><p>This paper presents the results of an analytical study determining the energy and economic performance of battery storage type wind/diesel systems intended to supply the load of a village-scale system (grid isolated) in a developing country. It presents the development and details of the model for the simulation of the complete wind/diesel system including a generalized characterization of the local wind regime and the electrical load demands (including prioritization) of the village. The hour-by-hour simulation model is intended to simulate a typical one month period of system operation. Results from the energy flow simulation model are then input to a detailed economic model of the system. As summarized in the paper this benefit-cost model is used to assess the relative cost and socio-economic impact associated with the electrical generating system's configuration and performance. Representative case studies for several wind/diesel system options using the combined performance/economic simulation are presented to demonstrate the usefulness of the model.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 4","pages":"Pages 423-439"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90027-Y","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78953036","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
The iso-radiation map for Algeria 阿尔及利亚的等辐射图
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90064-9
N. Messen
{"title":"The iso-radiation map for Algeria","authors":"N. Messen","doi":"10.1016/0741-983X(90)90064-9","DOIUrl":"https://doi.org/10.1016/0741-983X(90)90064-9","url":null,"abstract":"","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"53 1","pages":"559-562"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76261927","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: 3
Impact of thermal insulation location on buildings in hot dry climates 干热气候条件下保温位置对建筑的影响
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90024-V
M.A.Eben Saleh
{"title":"Impact of thermal insulation location on buildings in hot dry climates","authors":"M.A.Eben Saleh","doi":"10.1016/0741-983X(90)90024-V","DOIUrl":"10.1016/0741-983X(90)90024-V","url":null,"abstract":"<div><p>Three different arrangements of building insulation with different thicknesses were studied and evaluated with respect to their thermal performance and their impact on indoor temperature in a hot-dry climate context. A predefined computer program using the transient heat transfer method was utilized as the main research tool. The utilization of thermal insulation showed significant improvement on the overall thermal performance of the buildings. It also showed a significance when locating thermal insulation within the outer side of the building envelope.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 4","pages":"Pages 393-406"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90024-V","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77060779","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: 44
Thermal performance of heat pipe solar energy systems 热管太阳能系统的热性能
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90020-3
C.I. Ezekwe
{"title":"Thermal performance of heat pipe solar energy systems","authors":"C.I. Ezekwe","doi":"10.1016/0741-983X(90)90020-3","DOIUrl":"10.1016/0741-983X(90)90020-3","url":null,"abstract":"<div><p>The thermal behaviour of solar energy systems using heat pipe absorbers is analysed and compared with systems using conventional solar collectors. The mathematical model employed is based on the Hottel-Whillier-Bliss formalism for solar collectors. The heat transfer ratio (γ) is found to be a very useful parameter in predicting the thermal performance of a heat pipe absorber. For solar heating applications, the heat removal factor (<em>F</em><sub>r</sub>) of the heat pipe system is apparently lower than that of an equivalent conventional system because of the extra heat transfer surface in the heat pipe system. This penalty, however, can be minimized by proper design at the heat pipe condenser and system manifold. In solar cooling applications, the heat pipe absorber manifests better heat transfer characteristics than the flow-through absorber because it attains very high values of γ.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 4","pages":"Pages 349-354"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90020-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77459327","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: 24
Volume 7, contents and author index, 1990 第七卷，目录和作者索引，1990年
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90053-5
{"title":"Volume 7, contents and author index, 1990","authors":"","doi":"10.1016/0741-983X(90)90053-5","DOIUrl":"https://doi.org/10.1016/0741-983X(90)90053-5","url":null,"abstract":"","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 6","pages":"Pages i-x"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90053-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137401943","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: 0
Coil-coating paints for solar collector panels—I. Characterization and performance tests 太阳能集热器用卷材涂料1。特性和性能测试
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90044-3
B. Orel, Z. Crnjak Orel, M. Bosanac, A. Krainer
{"title":"Coil-coating paints for solar collector panels—I. Characterization and performance tests","authors":"B. Orel,&nbsp;Z. Crnjak Orel,&nbsp;M. Bosanac,&nbsp;A. Krainer","doi":"10.1016/0741-983X(90)90044-3","DOIUrl":"10.1016/0741-983X(90)90044-3","url":null,"abstract":"<div><p>Thickness sensitive spectrally selective (TSSS) paint coatings for solar collector panels are described and their chemical, mechanical and optical properties are summarized and measured. TSSS paint coatings (Solariselect®) are made by the coil-coating application method. Large scale samples have <em>a</em><sub>s</sub> = 0.92 and <em>e</em>T =0.38. Solar collector production was established since 1987. Performance tests showed that at least a 20% increase in performance has been obtained with Solariselect<sup>®</sup> paint coatings in comparison with painted spectrally non-selective coatings.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 6","pages":"Pages 699-705"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90044-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84113743","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
Monthly specific Rietveld's correlations 每月特定的Rietveld相关性
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90100-G
Alfonso Soler
{"title":"Monthly specific Rietveld's correlations","authors":"Alfonso Soler","doi":"10.1016/0741-983X(90)90100-G","DOIUrl":"10.1016/0741-983X(90)90100-G","url":null,"abstract":"<div><p>Using yearly and half-yearly data Rietveld developed a method currently used to estimate monthly average daily global radiation on horizontal surfaces (<span><math><mtext>H</mtext></math></span>). In the present work Rietveld's method is applied to monthly data obtained for 100 European stations. The method is validated for <span><math><mtext>S</mtext><msub><mi></mi><mn>0</mn></msub><mtext>/</mtext><mtext>S</mtext><mtext> ≲ 10</mtext></math></span>, where <span><math><mtext>S</mtext><msub><mi></mi><mn>0</mn></msub></math></span> is the monthly average day length, and <span><math><mtext>S</mtext></math></span> is the monthly average daily sunshine duration. To estimate values of <span><math><mtext>H</mtext></math></span>, 12 monthly specific correlations and one correlation valid for all months are obtained for the mentioned data using Rietveld's method. Statistical comparison of monthly specific and non-specific correlations shows that relating the root mean square error, for 70% of the stations monthly specific correlations give better results than the non-specific correlations.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 2","pages":"Pages 305-308"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90100-G","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86927078","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: 56
Improving the performance of a liquid solar collector 提高液体太阳能集热器的性能
Solar & Wind Technology Pub Date : 1990-01-01 DOI: 10.1016/0741-983X(90)90070-I
M.A. Al-Abbasi , Ahlam J. Abdul Ghani , O.F. Naoum , A.A.-K. Hussain
{"title":"Improving the performance of a liquid solar collector","authors":"M.A. Al-Abbasi ,&nbsp;Ahlam J. Abdul Ghani ,&nbsp;O.F. Naoum ,&nbsp;A.A.-K. Hussain","doi":"10.1016/0741-983X(90)90070-I","DOIUrl":"https://doi.org/10.1016/0741-983X(90)90070-I","url":null,"abstract":"<div><p>The effects of varying design and dimensions of a heat exchanger, and of expanding a collector's area, on the solar energy collection efficicy of the liquid solar collector was examined experimentally. A geometric efficiency factor (<em>g</em>) was defined and calculated. Results illustrate the advantage of employing a heat exchanger made up of a set of vertical tubes over one made up of a continuous tube of several bends. It is suggested optimization of exchanger and collector dimensions should be made as a means of improving thermal performance in terms of heat collected at the storage tank and material cost.</p></div>","PeriodicalId":101171,"journal":{"name":"Solar & Wind Technology","volume":"7 5","pages":"Pages 601-605"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0741-983X(90)90070-I","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91647948","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: 0
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