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Annals of Nuclear Science and Engineering最新文献

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Emission, absorption and transfer of radiation in heated atmospheres 加热大气中辐射的发射、吸收和转移
Annals of Nuclear Science and Engineering Pub Date : 1974-07-01 DOI: 10.1016/0302-2927(74)90073-7
M.M.R. Williams
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引用次数: 0
BNES international conference on fast reactor power stations: Conference report BNES快堆电站国际会议:会议报告
Annals of Nuclear Science and Engineering Pub Date : 1974-07-01 DOI: 10.1016/0302-2927(74)90070-1
A.R. Baker
{"title":"BNES international conference on fast reactor power stations: Conference report","authors":"A.R. Baker","doi":"10.1016/0302-2927(74)90070-1","DOIUrl":"10.1016/0302-2927(74)90070-1","url":null,"abstract":"<div><p>At the Conference, held in London in March 1974, there were five plenary sessions devoted to past and current experience and to future plans for incorporating fast reactors into the electrical supply networks and there were six specialist sessions devoted to: steam generators; nuclear performance; core including fuel; control, dynamics and hydraulics; coolant management; and fuel handling and other mechanisms. The main points raised in the papers to the Conference are summarized and, in a final section, the writer makes his own assessment of the conclusions to be drawn from the information presented.</p></div>","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 7","pages":"Pages 463-474"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0302-2927(74)90070-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76078662","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 simultaneous evaluation of the fission cross-sections of U-235, Pu-239 and U-238 and the capture cross-section of U-238 in the energy range 100 eV to 20 MeV U-235、Pu-239和U-238在100 ~ 20 MeV能量范围内的裂变截面和U-238的俘获截面的同时计算
Annals of Nuclear Science and Engineering Pub Date : 1974-07-01 DOI: 10.1016/0302-2927(74)90066-X
M.G. Sowerby, B.H. Patrick, D.S. Mather
{"title":"A simultaneous evaluation of the fission cross-sections of U-235, Pu-239 and U-238 and the capture cross-section of U-238 in the energy range 100 eV to 20 MeV","authors":"M.G. Sowerby,&nbsp;B.H. Patrick,&nbsp;D.S. Mather","doi":"10.1016/0302-2927(74)90066-X","DOIUrl":"10.1016/0302-2927(74)90066-X","url":null,"abstract":"<div><p>The fission cross-sections of U-235, U-238 and Pu-239 and the capture cross-section of U-238 have been evaluated in the energy range 100 eV to 20 MeV. Below 100 keV, the cross-sections have been considered independently but at energies above 100 keV, all the accepted data on the cross-sections and their ratios have been used simultaneously in a least squares fitting procedure, using weighting functions derived from assigned errors. The evaluated cross-sections and their associated uncertainties are given together with recommendations for further experimental measurements.</p></div>","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 7","pages":"Pages 409-435"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0302-2927(74)90066-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85187260","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: 22
A study of vibration of free-free beams under liquid 自由-自由梁在液体作用下的振动研究
Annals of Nuclear Science and Engineering Pub Date : 1974-07-01 DOI: 10.1016/0302-2927(74)90067-1
L. Yeh
{"title":"A study of vibration of free-free beams under liquid","authors":"L. Yeh","doi":"10.1016/0302-2927(74)90067-1","DOIUrl":"10.1016/0302-2927(74)90067-1","url":null,"abstract":"<div><p>The paper describes the work carried out in the Mechanical Engineering Laboratory on the vibration of free-free beams under liquids of various densities.</p><p>A study of the formation of multiple vortex cells due to vibration has been made. It was found that the diameters of these cells are a function of vibration amplitudes.</p><p>A method of calculating the natural frequencies of a free-free beam under liquids of various densities is presented.</p></div>","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 7","pages":"Pages 437-442, IN1-IN3, 443-450"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0302-2927(74)90067-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76539268","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
Planning of nuclear power programs with considerations to local energy needs and materials resources as applied to Egypt 规划核电项目，考虑到当地的能源需求和材料资源，适用于埃及
Annals of Nuclear Science and Engineering Pub Date : 1974-07-01 DOI: 10.1016/0302-2927(74)90069-5
H.Y. Fouad
{"title":"Planning of nuclear power programs with considerations to local energy needs and materials resources as applied to Egypt","authors":"H.Y. Fouad","doi":"10.1016/0302-2927(74)90069-5","DOIUrl":"10.1016/0302-2927(74)90069-5","url":null,"abstract":"<div><p>Planning of nuclear power programs is an intricate task of reactors designers, depending on power needs and materials availability. An example for a possible nuclear power program is outlined and its mesh with published power needs and materials availability is pointed out. Recommendations showed the importance of an early start on the power program if dependence on local resources is to be emphasized, and the most promising fuel cycle to be adopted.</p></div>","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 7","pages":"Pages 459-462"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0302-2927(74)90069-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79667223","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
Determination of burn-up of irradiated fuel elements by pulsed neutron interrogation 脉冲中子探伤法测定辐照燃料元件的燃耗
Annals of Nuclear Science and Engineering Pub Date : 1974-07-01 DOI: 10.1016/0302-2927(74)90068-3
W. Rotter
{"title":"Determination of burn-up of irradiated fuel elements by pulsed neutron interrogation","authors":"W. Rotter","doi":"10.1016/0302-2927(74)90068-3","DOIUrl":"10.1016/0302-2927(74)90068-3","url":null,"abstract":"<div><p>An experimental study is described which could provide a method for the non-destructive assay of the fissile content in depleted fuel elements of power reactors.</p><p>The basis of the method is a comparison of pulsed prompt neutron responses of the unknown fuel element with responses of known standards.</p><p>The method has been tested on non-irradiated BR2 fuel elements simulating two types of examination: </p><ul><li><span>1.</span><span><p>(a) determination of the remaining <sup>235</sup>U-content and of the associated boron content (residual burnable poison);</p></span></li><li><span>2.</span><span><p>(b) classification of poisoned CERMET-elements with respect to increasing burn-up, without discrimination of uranium and poison effects.</p></span></li></ul><p>An installation is described which should allow determination of burn-up values up to 50 per cent within reasonable measuring times and with acceptable accuracy.</p></div>","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 7","pages":"Pages 451-458"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0302-2927(74)90068-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75811909","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
Current papers in nuclear energy 最新的核能论文
Annals of Nuclear Science and Engineering Pub Date : 1974-07-01 DOI: 10.1016/0302-2927(74)90071-3
{"title":"Current papers in nuclear energy","authors":"","doi":"10.1016/0302-2927(74)90071-3","DOIUrl":"https://doi.org/10.1016/0302-2927(74)90071-3","url":null,"abstract":"","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 7","pages":"Pages 475-477"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0302-2927(74)90071-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137290781","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
Neutron wave propagation in beryllium 中子波在铍中的传播
Annals of Nuclear Science and Engineering Pub Date : 1974-06-01 DOI: 10.1016/S0302-2927(74)80003-6
R.E. Miles , S.R. Bull, T.F. Parkinson
{"title":"Neutron wave propagation in beryllium","authors":"R.E. Miles ,&nbsp;S.R. Bull,&nbsp;T.F. Parkinson","doi":"10.1016/S0302-2927(74)80003-6","DOIUrl":"10.1016/S0302-2927(74)80003-6","url":null,"abstract":"<div><p>The propagation of thermal neutron waves has been studied in four beryllium parallelepipeds. The transverse bucklings of these parallepipeds ranged from 0·0497 to 0·2572 cm<sup>−2</sup>, values which are greater than the critical buckling (0·00116 cm<sup>−2</sup>). From the space-time profiles, the dispersion law for beryllium was deduced over the frequency range 0 &lt; ω &lt; 1000 Hz. For the larger systems good agreement was found with calculations based on thermalization theory at frequencies less than 600 Hz. The effect of continuum contamination was apparent in all the systems but in the larger blocks this contamination had about the same magnitude and attenuation as the discrete modes. For the smaller systems, the continuum contamination was associated with neutrons having energies below the Bragg cut-off and was manifested by oscillations in the complex inverse relaxation lengths at the higher frequencies.</p></div>","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 6","pages":"Pages 365-376"},"PeriodicalIF":0.0,"publicationDate":"1974-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-2927(74)80003-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81102365","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
Electromagnetic pumps and flowmeters for fast-reactor development 用于快速反应堆开发的电磁泵和流量计
Annals of Nuclear Science and Engineering Pub Date : 1974-06-01 DOI: 10.1016/S0302-2927(74)80002-4
B.M. Childs
{"title":"Electromagnetic pumps and flowmeters for fast-reactor development","authors":"B.M. Childs","doi":"10.1016/S0302-2927(74)80002-4","DOIUrl":"10.1016/S0302-2927(74)80002-4","url":null,"abstract":"","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 6","pages":"Pages 357-364, IN1-IN3"},"PeriodicalIF":0.0,"publicationDate":"1974-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-2927(74)80002-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83130774","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
Annals of Nuclear Science and Engineering Pub Date : 1974-06-01 DOI: 10.1016/S0302-2927(74)80009-7
M. Simnad
{"title":"","authors":"M. Simnad","doi":"10.1016/S0302-2927(74)80009-7","DOIUrl":"10.1016/S0302-2927(74)80009-7","url":null,"abstract":"","PeriodicalId":100094,"journal":{"name":"Annals of Nuclear Science and Engineering","volume":"1 6","pages":"Pages 401-402"},"PeriodicalIF":0.0,"publicationDate":"1974-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0302-2927(74)80009-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73546509","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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