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Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology最新文献

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Some studies of heat transfer from roughened surfaces to a gaseous coolant—I 从粗糙表面到气体冷却剂的热传递的一些研究
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90050-4
D. Wilkie
{"title":"Some studies of heat transfer from roughened surfaces to a gaseous coolant—I","authors":"D. Wilkie","doi":"10.1016/0368-3230(66)90050-4","DOIUrl":"10.1016/0368-3230(66)90050-4","url":null,"abstract":"<div><p>Heat transfer tests on ribbed surfaces with grooves added to prevent wrinkling and ratchetting indicate that although the mean performance would be little altered if the relative positions of the ribs and grooves varied along a reactor fuel element, serious hot-spots would be produced.</p></div>","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 537-543"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90050-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82796631","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
Space and energy effects in reactor fluctuation experiments 反应堆涨落实验中的空间和能量效应
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90053-X
M. Natelson , R.K. Osborn, F. Shure
{"title":"Space and energy effects in reactor fluctuation experiments","authors":"M. Natelson ,&nbsp;R.K. Osborn,&nbsp;F. Shure","doi":"10.1016/0368-3230(66)90053-X","DOIUrl":"10.1016/0368-3230(66)90053-X","url":null,"abstract":"<div><p>An analysis of the space and energy dependence of neutron fluctuations is presented, and applied to the results of reactor fluctuation experiments. Two experiments, measurements of Power Spectral Density and Variance to Mean, are singled out for special attention. These are of special interest, since previously published experimental results seem to be interpretable by space and energy-independent theories of neutron fluctuations.</p><p>Both infinite and finite-geometry reactor models are treated, and calculations are presented to illustrate the effects of detector size, shape and location, and delayed neutrons. In any event, agreement with actual experimental results is achieved only when the effect of fast diffusion is included through a two-energy group model. It is seen that when the migration length is sufficiently large by comparison with a typical reactor dimension, the results of the space-energy independent theory appear as a first approximation. Thus it is argued that experiments on larger reactors would yield results not in agreement with the space-energy independent theory.</p></div>","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 557-585"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90053-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"105336412","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: 13
Index of effectiveness per unit weight of two-component materials used for neutron and γ-radiation shielding 用于中子和γ辐射屏蔽的双组分材料的单位重量效能指数
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90057-7
G.A. Lisochkin, F.A. Predovskii
{"title":"Index of effectiveness per unit weight of two-component materials used for neutron and γ-radiation shielding","authors":"G.A. Lisochkin,&nbsp;F.A. Predovskii","doi":"10.1016/0368-3230(66)90057-7","DOIUrl":"https://doi.org/10.1016/0368-3230(66)90057-7","url":null,"abstract":"","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 598-599"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90057-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137155223","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
Relative difference of the vapour pressures of 11BF3 and 10BF3 11BF3和10BF3的蒸气压相对差
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90056-5
I.B. Amirkhanova, A.V. Borisov, I.G. Gverdtsiteli, A.T. Karamyan
{"title":"Relative difference of the vapour pressures of 11BF3 and 10BF3","authors":"I.B. Amirkhanova,&nbsp;A.V. Borisov,&nbsp;I.G. Gverdtsiteli,&nbsp;A.T. Karamyan","doi":"10.1016/0368-3230(66)90056-5","DOIUrl":"10.1016/0368-3230(66)90056-5","url":null,"abstract":"<div><p>The relative differences of the vapour pressures of the isotopic molecules <sup>11</sup>BF<sub>3</sub> and <sup>10</sup>BF<sub>3</sub> are measured by the differential method at temperatures of 147–247·7°K. The enrichment factor is decreased from 20 × 10<sup>−3</sup> (147·0°K) to 1·1 × 10<sup>−3</sup> (247·7°K).</p><p>Liquid solutions of <sup>1</sup>BF<sub>3</sub> and <sup>10</sup>BF<sub>3</sub> are ideal within the limits of experimental error. In the interval of temperature measured, corrections have been calculated for the enrichment factor in connexion with the non-ideality of the gaseous phase.</p><p>The data obtained with different parameters of the process of rectifying BF<sub>3</sub> (height of the theoretical plate, transmitting capacity of the nozzle, etc.) make it possible to estimate the effectiveness of the separation of <sup>11</sup>BF<sub>3</sub> and <sup>10</sup>BF<sub>3</sub> at different pressures.</p></div>","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 591-597"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90056-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78574789","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
Analysis of the spectra of prompt neutrons of spontaneous fission of 252Cf 252Cf自发裂变提示中子谱的分析
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90062-0
A.E. Savel'ev
{"title":"Analysis of the spectra of prompt neutrons of spontaneous fission of 252Cf","authors":"A.E. Savel'ev","doi":"10.1016/0368-3230(66)90062-0","DOIUrl":"10.1016/0368-3230(66)90062-0","url":null,"abstract":"","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 608-611"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90062-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88887064","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
Some studies of heat transfer from roughened surfaces to a gaseous coolant—II 从粗糙表面到气态冷却剂的热传递的一些研究ii
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90051-6
D. Wilkie
{"title":"Some studies of heat transfer from roughened surfaces to a gaseous coolant—II","authors":"D. Wilkie","doi":"10.1016/0368-3230(66)90051-6","DOIUrl":"10.1016/0368-3230(66)90051-6","url":null,"abstract":"<div><p>Heat transfer measurements have been made on a type of rough surface that could be obtained by pressurizing thin stainless-steel cans onto fuel pellets shaped like truncated cones. The results indicate that with the coolant flow in a particular direction the surface has a performance close to that of a ribbed surface having the same friction factor.</p></div>","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 545-548"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90051-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90825910","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
235U fission cross section for resonance neutrons 235U共振中子的裂变截面
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90060-7
Wan Shi-di, Wan Yun-chan, E. Dermendzhiev, Yu.V. Ryabov
{"title":"235U fission cross section for resonance neutrons","authors":"Wan Shi-di,&nbsp;Wan Yun-chan,&nbsp;E. Dermendzhiev,&nbsp;Yu.V. Ryabov","doi":"10.1016/0368-3230(66)90060-7","DOIUrl":"10.1016/0368-3230(66)90060-7","url":null,"abstract":"","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 602-607"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90060-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72624692","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
The counting, sizing and sampling of Aitken nuclei in gas-cooled reactors 气冷堆中艾特肯核的计数、大小和抽样
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90049-8
W.J. Megaw, R.D. Wiffen
{"title":"The counting, sizing and sampling of Aitken nuclei in gas-cooled reactors","authors":"W.J. Megaw,&nbsp;R.D. Wiffen","doi":"10.1016/0368-3230(66)90049-8","DOIUrl":"10.1016/0368-3230(66)90049-8","url":null,"abstract":"<div><p>Methods of counting and sizing Aitken nuclei are described and their application to pressurized gas-cooled reactors discussed. It is concluded that the most satisfactory instrument at present available for determining concentrations of Aitken nuclei in reactors is the Nolan-Pollak counter. A method is given of estimating the percentage release of gas-borne particulate fission products through a specified leak by measuring the rate of disappearance of particles by deposition in the reactor. A description is given of a simple pressurized sampling arrangement for obtaining samples of particles from reactors in a form suitable for electron microscopy.</p><p>The use of the Nolan-Pollak counter is further considered as a means of conducting ‘in place’ tests of high efficiency filter installations and it is concluded that the counter will be of considerable value in this application.</p></div>","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 521-536"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90049-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88055462","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
A note on the evaluation of (ν Σs)min for the effective width model 关于(ν Σs)min对有效宽度模型的评价的注释
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI: 10.1016/0368-3230(66)90054-1
M.M.R. Williams
{"title":"A note on the evaluation of (ν Σs)min for the effective width model","authors":"M.M.R. Williams","doi":"10.1016/0368-3230(66)90054-1","DOIUrl":"10.1016/0368-3230(66)90054-1","url":null,"abstract":"","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 7","pages":"Pages 587-588"},"PeriodicalIF":0.0,"publicationDate":"1966-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90054-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89655466","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
Characteristics of the asymptotic neutron spectrum in uranium 铀中渐近中子谱的特征
Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-06-01 DOI: 10.1016/0368-3230(66)90102-9
A.A. Malinkin, F. Nasyrov, V.F. Kolesov
{"title":"Characteristics of the asymptotic neutron spectrum in uranium","authors":"A.A. Malinkin,&nbsp;F. Nasyrov,&nbsp;V.F. Kolesov","doi":"10.1016/0368-3230(66)90102-9","DOIUrl":"10.1016/0368-3230(66)90102-9","url":null,"abstract":"","PeriodicalId":100815,"journal":{"name":"Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology","volume":"20 6","pages":"Pages 511-514"},"PeriodicalIF":0.0,"publicationDate":"1966-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0368-3230(66)90102-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89705494","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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