发布求助
文献互助 智能选刊 最新文献

Nuclear Structural Engineering最新文献

筛选
英文 中文
Stress distribution at two normally intersecting cylindrical shells 两个正相交圆柱壳的应力分布
Nuclear Structural Engineering Pub Date : 1965-09-01 DOI: 10.1016/0369-5816(65)90082-7
A.C. Eringen, E.S. Suhubi
{"title":"Stress distribution at two normally intersecting cylindrical shells","authors":"A.C. Eringen,&nbsp;E.S. Suhubi","doi":"10.1016/0369-5816(65)90082-7","DOIUrl":"10.1016/0369-5816(65)90082-7","url":null,"abstract":"<div><p>The boundary value problem concerned with the state of stress in two normally intersecting circular cylindrical shells subjected to internal pressure is formulated. The differential equations of the two shells are solved for a small ratio of radii (<span><math><mtext>ϱ</mtext><msub><mi></mi><mn>0</mn></msub><mtext>R</mtext><mtext> &lt; </mtext><mtext>1</mtext><mtext>3</mtext></math></span>) subject to edge conditions along the intersection curve and at the ends of the cylinders. The numerical results will be published in a later paper.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 3","pages":"Pages 253-270"},"PeriodicalIF":0.0,"publicationDate":"1965-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90082-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84104201","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: 42
Design concepts for the core structure of a mosel (molten salt experimental) reactor 熔盐实验堆堆芯结构的设计概念
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90031-1
Paul R. Kasten, Uri Gat, S. Schulze Horn, Heinz W. Vornhusen
{"title":"Design concepts for the core structure of a mosel (molten salt experimental) reactor","authors":"Paul R. Kasten,&nbsp;Uri Gat,&nbsp;S. Schulze Horn,&nbsp;Heinz W. Vornhusen","doi":"10.1016/0369-5816(65)90031-1","DOIUrl":"10.1016/0369-5816(65)90031-1","url":null,"abstract":"<div><p>General features of a MOSEL (MOlten Salt ExperimentaL) reactor concept and a schematic flow diagram are given.</p><p>A number of core designs appear capable of satisfying the requirements of such reactor. Interacting parameters which need to be evaluated as a function of operating conditions are permissible temperature distribution, stresses, nuclear performance, and fabrication possibility as a function of core design. In general it appears that plate type design facilitate low friction of structural material, achievement of modular units, and fuel flow control. Tube-type designs appear advantageous relative to stress considerations and high fuel power density.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 224-232"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90031-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85251934","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: 12
Measured and predicted variations in fast neutron spectrum in massive shields of water and concrete 测量和预测在水和混凝土的大盾中快中子谱的变化
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90032-3
E. Aalto, R. Fräki, R. Sandlin
{"title":"Measured and predicted variations in fast neutron spectrum in massive shields of water and concrete","authors":"E. Aalto,&nbsp;R. Fräki,&nbsp;R. Sandlin","doi":"10.1016/0369-5816(65)90032-3","DOIUrl":"10.1016/0369-5816(65)90032-3","url":null,"abstract":"<div><p>The absolute magnitude, and the variations in form, of the fast neutron spectrum during deep penetration (0.8 – 1.1 m) in massive shields of water, ordinary and magnetite concrete have been studied by using threshold detectors (In(n, n′), S(n, p), Al(n, α)). The results have been compared with predictions by two rigorous (NIOBE, Moments method) and two non-rigorous (multigroup removal-diffusion) shielding codes (NRN, RASH D).</p><p>The <em>absolute</em> results predicted were in general within 50% of the measured ones, ie. showed as good or better accuracy than thermal and epithermal flux predictions in the same small-reactor configurations. No difference in accuracy was found between the rigorous and non-rigorous methods.</p><p>The changes in the <em>relative form</em> of the spectrum (indicated by variations in the (Al/S) and (In/S) reaction rate ratios and amounting to factors up to 3–4 during a one metre penetration in water) were rather accurately (within 10–30%) predicted by all of the methods.</p><p>The photonuclear excitation of the 335 keV level used for detecting the In(n, n′) reaction was found to distort completely the In results in water at penetrations &gt; 50 cm.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 233-242"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90032-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86030874","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
The influence of small weld cracks on the fatigue life of steel pipe for nuclear service 焊缝小裂纹对核用钢管疲劳寿命的影响
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90028-1
W.J. Love
{"title":"The influence of small weld cracks on the fatigue life of steel pipe for nuclear service","authors":"W.J. Love","doi":"10.1016/0369-5816(65)90028-1","DOIUrl":"10.1016/0369-5816(65)90028-1","url":null,"abstract":"<div><p>An experimental program was carried out to determine the effect of small weld cracks on the fatigue strength of steel pipe. Direct and bending load tests of both innate and artificial flaws were carried out with special hydrostatic pressurization and vibratory fatigue machines. Values of notch sensitivity of the base, weld and heat affected zone materials were found to be similar, ranging between 0.1 and 0.2. The results showed that no appreciable reduction in specimen life occurred when small (to 4% wall thickness) cracks were tested in the presence of ordinary manufacturing discontinuities such as surface roughness and weld notches.</p><p>A semi-empirical method for computing the influence of small pipe wall cracks on pipe life is suggested and compared with the test results.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 181-202"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90028-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86302287","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
Stress concentrations in the nozzle ring of a pressure vessel 压力容器喷嘴环中的应力集中
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90030-X
Stanislav Štěpánek
{"title":"Stress concentrations in the nozzle ring of a pressure vessel","authors":"Stanislav Štěpánek","doi":"10.1016/0369-5816(65)90030-X","DOIUrl":"10.1016/0369-5816(65)90030-X","url":null,"abstract":"<div><p>Some problems in the construction of cooling medium inlet and outlet nozzle rings of nuclear reactor pressure vessels are discussed. The factors affecting the stress concentration factor in this part of the vessel have been identified theoretically and experimentally. It has been determined that the stress concentration factor depends on the form of the hole in the vessel shell, on the number of holes made on the periphery of the vessel, on the curvature and wall thickness of the vessel shell, on the reinforcement of the hole of the nozzle to the vessel.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 211-223"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90030-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89251281","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
The collapse of cylinder/sphere intersecting pressure vessels 柱/球交叉压力容器的坍塌
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90027-X
F. Ellyin, A.N. Sherbourne
{"title":"The collapse of cylinder/sphere intersecting pressure vessels","authors":"F. Ellyin,&nbsp;A.N. Sherbourne","doi":"10.1016/0369-5816(65)90027-X","DOIUrl":"10.1016/0369-5816(65)90027-X","url":null,"abstract":"<div><p>A general method is presented for finding lower and upper bounds on the collapse pressure for a plastic-rigid vessel composed of intersecting cylindrical and spherical shells obeying Tresca's yield condition and associated flow rule. Depending upon the ratio <span><math><mtext>(</mtext><mtext>t</mtext><mtext>d</mtext><mtext>)/(</mtext><mtext>T</mtext><mtext>D</mtext><mtext>)</mtext></math></span> different types of solutions are generated. The solutions are presented in terms of generalized stresses and may be used in conjunction with any choice of yield surface of the form <em>Φ</em>(<em>N</em><sub><em>ϕ</em></sub>,<em>N</em><sub><em>θ</em></sub>,<em>M</em><sub><em>ϕ</em></sub>) = <em>C</em><sup>2</sup>.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 169-180"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90027-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83315766","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: 11
Design criteria for the NPR reactor building NPR反应堆建筑的设计标准
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90029-3
Harold S. Davis
{"title":"Design criteria for the NPR reactor building","authors":"Harold S. Davis","doi":"10.1016/0369-5816(65)90029-3","DOIUrl":"10.1016/0369-5816(65)90029-3","url":null,"abstract":"<div><p>The 105-N building, which houses the world's largest power reactor, is a highly specialized structure of reinforced concrete and steel. The secondary shielding walls, which surround the reactor and its coolant system, are 4 to <span><math><mtext>5</mtext><mtext>built1</mtext><mtext>2</mtext></math></span> feet thick; the ceilings <span><math><mtext>1</mtext><mtext>built1</mtext><mtext>2</mtext></math></span> to <span><math><mtext>2</mtext><mtext>built1</mtext><mtext>2</mtext></math></span> feet thick. These walls are designed to reduce radiation levels to safe human tolerance during normal reactor operation and to function as a low pressure confiner during an emergency. Interior surfaces are covered with an elastomeric coating consisting of 15 mils of neoprene and 5 mils of (white) hypalon. In addition to normal dead and live loads, the structure is designed to resist: 1) a temperature differential of 40°F, 2) an internal pressure of 5 psig or a vacuum of 2 psig, and 3) seismic loads associated with a ground acceleration of 0.2 gravity. Criteria used in the detail design of the 105-N building are reproduced in this paper.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 203-210"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90029-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87799822","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
Low activation shielding materials for nuclear reactor environmental test chambers 核反应堆环境试验箱用低活化屏蔽材料
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90033-5
W.G. Bingham Jr.
{"title":"Low activation shielding materials for nuclear reactor environmental test chambers","authors":"W.G. Bingham Jr.","doi":"10.1016/0369-5816(65)90033-5","DOIUrl":"10.1016/0369-5816(65)90033-5","url":null,"abstract":"<div><p>This reports the results of a testing program and study to find low-activation shielding materials for nuclear reactor environmental test chambers. Economic trade-offs associated with low-activation shielding materials are considered. Activation dose rates in existing test chambers are compared with study results.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 243-247"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90033-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76187325","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 rapid method to estimate the elastic stress concentration of a nozzle in a spherical pressure vessel 球形压力容器中喷嘴弹性应力集中的快速估算方法
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90026-8
N.C. Lind
{"title":"A rapid method to estimate the elastic stress concentration of a nozzle in a spherical pressure vessel","authors":"N.C. Lind","doi":"10.1016/0369-5816(65)90026-8","DOIUrl":"10.1016/0369-5816(65)90026-8","url":null,"abstract":"<div><p>This paper outlines a simple method to determine the elastic stress-concentration factor of radial reinforced outlets from spherical vessels subjected to internal pressure.</p><p>The computed values of the stress-concentration factor are compared with the results of photoelastic tests, showing good agreement, ordinarily within 10% or less.</p></div>","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 159-168"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90026-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72557746","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
Non-classical shell problems 非经典壳问题
Nuclear Structural Engineering Pub Date : 1965-08-01 DOI: 10.1016/0369-5816(65)90035-9
H. Duddeck
{"title":"Non-classical shell problems","authors":"H. Duddeck","doi":"10.1016/0369-5816(65)90035-9","DOIUrl":"10.1016/0369-5816(65)90035-9","url":null,"abstract":"","PeriodicalId":100973,"journal":{"name":"Nuclear Structural Engineering","volume":"2 2","pages":"Pages 249-252"},"PeriodicalIF":0.0,"publicationDate":"1965-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0369-5816(65)90035-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78638826","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信