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JSME international journal : bulletin of the JSME最新文献

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The Coherent Structure of a Plane Turbulent Wall Jet : Analysis with the Four-Quadrant Method : Series B : Fluid Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties 平面湍流壁面射流的相干结构:用四象限方法分析。B辑:流体工程、传热、燃烧、动力、热物理性质
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIB.53.824
H. Osaka, H. Fujii, M. Sugihara, S. Mochizuki
{"title":"The Coherent Structure of a Plane Turbulent Wall Jet : Analysis with the Four-Quadrant Method : Series B : Fluid Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties","authors":"H. Osaka, H. Fujii, M. Sugihara, S. Mochizuki","doi":"10.1299/KIKAIB.53.824","DOIUrl":"https://doi.org/10.1299/KIKAIB.53.824","url":null,"abstract":"Quadrant analysis has been used to investigate the events associated with the production of the Reynolds shear stress in a fully developed plane turbulent wall jet. By partitioning the stress into four quadrants, it was shown that the second and the fourth quadrants were the dominant events contributing to the stress in the inner layer, whereas the first and the third quadrants dominate in the outer layer. The flow at the location where the mean velocity has a maximum value, is affected by both the inner and the outer layer structure. At the location where the Reynolds shear stress is zero, the ratio of the fractional contributions to the total Reynolds shear stress from quadrant i and the ratio of the mean periods of quadrant i are almost equal among the quadrants.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130406108","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
An Optimal Planning Method of Plants Based on Mixed-Discrete Variable Linear Programming : Series C : Vibration, Control Engineering, Engineering for Industry 基于混合离散变量线性规划的工厂最优规划方法[C]:振动，控制工程，工业工程
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/kikaic.53.792
S. Akagi, R. Yokoyama, Koichi Ito
{"title":"An Optimal Planning Method of Plants Based on Mixed-Discrete Variable Linear Programming : Series C : Vibration, Control Engineering, Engineering for Industry","authors":"S. Akagi, R. Yokoyama, Koichi Ito","doi":"10.1299/kikaic.53.792","DOIUrl":"https://doi.org/10.1299/kikaic.53.792","url":null,"abstract":"","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114151350","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
Viscosity Measurement of Lubricants at Elevated Temperature Under High Pressure : Series C : Vibration, Control Engineering, Engineering for Industry 润滑油在高温高压下的粘度测量:C系列:振动、控制工程、工业工程
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIC.53.848
I. Fujishiro, Yuichi Nakamura, Kiyoaki Kuzukawa
{"title":"Viscosity Measurement of Lubricants at Elevated Temperature Under High Pressure : Series C : Vibration, Control Engineering, Engineering for Industry","authors":"I. Fujishiro, Yuichi Nakamura, Kiyoaki Kuzukawa","doi":"10.1299/KIKAIC.53.848","DOIUrl":"https://doi.org/10.1299/KIKAIC.53.848","url":null,"abstract":"A sphere falling viscometer using a diamond anvil high pressure cell reported in the former report is improved to measure the viscosity at an elevated temperature under high pressure. A standard liquid JS200 for viscometer calibration and a synthetic lubricant UNIVIS P12 are employed to evaluate the accuracy and reproducibility of this viscometric system. The viscosities obtained show good agreement with those of NRLM, and observed temperature and pressure ranges are two or three times as large as those NRLM. The viscosity-temperature relations obtained under high pressure can be expressed by Walther's equation, and are consistent with the Eyring model employing an absolute rate process.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124296544","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
Influence of Damping on Squeal in Electromagnetic Friction Clutches and Brakes : Series C : Vibration, Control Engineering, Engineering for Industry 阻尼对电磁摩擦离合器和制动器尖叫的影响:C系列:振动、控制工程、工业工程
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIC.53.2491
Y. Kurita, H. Iwamoto
{"title":"Influence of Damping on Squeal in Electromagnetic Friction Clutches and Brakes : Series C : Vibration, Control Engineering, Engineering for Industry","authors":"Y. Kurita, H. Iwamoto","doi":"10.1299/KIKAIC.53.2491","DOIUrl":"https://doi.org/10.1299/KIKAIC.53.2491","url":null,"abstract":"This paper describes an investigation into influence of the lengths of the slits and the number of those on squeal. In a disk with four slits at regular intervals there are two 2-0 modes which have two nodal diameters. One has a node in the center of a slit (sine mode), and the other has a node between two adjacent slits (cosine mode). The difference Δf1 between the natural frequency of the sine mode and that of the cosine mode becomes greater as the slits grow longer. On the other hand, there is only one natural frequency of the 3-0 mode in the disk. Our squeal theory predicts that the second mode squal is reduced as theΔf1 of 2-0 modes grows greater. Experimental results show that the second mode squeal disappears and the third one is generated when the slits are long. In conclusion, four slits are effective on the second mode squeal, but not on the third one. And also the n-th mode squeal is not generated when theΔf1 of n-0 modes is large.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115083619","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
Effects of Plain Washers on the Characteristics of Bolted Joints : Series C : Vibration, Control Engineering, Engineering for Industry 平垫圈对螺栓连接特性的影响:C系列:振动、控制工程、工业工程
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIC.53.916
T. Sawa, Akihiro Karasawa, H. Kumano, Takahide Hamajima, H. Ueda
{"title":"Effects of Plain Washers on the Characteristics of Bolted Joints : Series C : Vibration, Control Engineering, Engineering for Industry","authors":"T. Sawa, Akihiro Karasawa, H. Kumano, Takahide Hamajima, H. Ueda","doi":"10.1299/KIKAIC.53.916","DOIUrl":"https://doi.org/10.1299/KIKAIC.53.916","url":null,"abstract":"In this paper, discussion is made on the distributions of contact stresses and the force ratio (the ratio of an increment of bolt axial force to an external load) when two hollow cylinders with plain washers are fastened with a set of a bolt and a nut and two T-flanges with plain washers are fastened with two sets of bolts and nuts. Analyses are performed for each model using the three-dimensional and the two-dimensional theory of elasticity. For verification, the contact stresses are measured by means of photo elasticity, and experiments are carried out with respect to the force ratio. The results obtained are as follows : 1) It is noticed that the distributions of contact stresses are tend to be uniform and the force ratio is tend to be small with the increases of the thickness and Young's modulus of plain washers. 2) The analytical results are in fairly good agreements with the experimental ones.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115156041","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
Flame Quenching and Unburned Hydrocarbons on the Wall of a Spherical Combustion Vessel : Series B : Fluid Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties 球形燃烧容器壁上的火焰淬火和未燃烧的碳氢化合物:B系列:流体工程，传热，燃烧，动力，热物理性质
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIB.53.1108
E. Tomita, Y. Hamamoto, Toshio Nakata
{"title":"Flame Quenching and Unburned Hydrocarbons on the Wall of a Spherical Combustion Vessel : Series B : Fluid Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties","authors":"E. Tomita, Y. Hamamoto, Toshio Nakata","doi":"10.1299/KIKAIB.53.1108","DOIUrl":"https://doi.org/10.1299/KIKAIB.53.1108","url":null,"abstract":"An experimental study on one-dimensional, laminar flame quenching on a cold wall was described herein. A homogeneous mixture of propane-air was ignited at the center of a spherical vessel, and the effects of pressure, mixture ratio and vessel size on the heat flux to the wall and on the unburned hydrocarbon concentrations were investigated. The characteristic values of quenching layer thickness defined from the maximum heat flux and the unburned hydrocarbon concentrations, δq and δHC, respectively, were determined. The value of δq was proportional to about minus 0.45 of the power of the pressure and was independent of the mixture ratio and the size of the combustion vessel. It was recognized that in the large size vessel, the hydrocarbons in the quench layer after the completion of combustion with flame propagation were oxidized. The value ofδHC obtained in the small size vessel was proportional to δq.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115254055","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
Crack Energy Density on a 3-Dimensional Crack : Series A : Solid-Mechanics, Strength of Materials 三维裂纹的裂纹能量密度:a系列:固体力学，材料强度
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIA.53.573
Katsuhiko Watanabe, N. Yoshikawa
{"title":"Crack Energy Density on a 3-Dimensional Crack : Series A : Solid-Mechanics, Strength of Materials","authors":"Katsuhiko Watanabe, N. Yoshikawa","doi":"10.1299/KIKAIA.53.573","DOIUrl":"https://doi.org/10.1299/KIKAIA.53.573","url":null,"abstract":"Crack energy density is the parameter which is defined clearly, without any restriction on constitutive equation, throughout the life of a crack and is expected to successfully describe all kinds of behaviors of a crack. So it may well be thought that the parameter is defined reasonably for a 3-dimensional crack. The purpose of this study is to indicate the property of crack energy density on 3-dimensional cracks for evaluation of this parameter. The contents of this report are as follows. (1) Define crack energy density on a 3-dimensional crack by using two crack models, and make it clear that the value of crack energy density is determined independently of coordinate system and plane on which the integral path is set. (2) Define crack energy density as a path-independent integral, and compare it with the J-integral of a 3-dimensional crack. (3) Propose a method to estimate the value of crack energy density from load-displacement curves.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"256 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121236926","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
Study on Dynamic Behavior of WN Gears : Vibration, Control Engineering, Engineering for Industry WN齿轮动态特性研究:振动，控制工程，工业工程
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/JSME1987.30.1812
S. Oda, T. Koide, J. Yokoyama
{"title":"Study on Dynamic Behavior of WN Gears : Vibration, Control Engineering, Engineering for Industry","authors":"S. Oda, T. Koide, J. Yokoyama","doi":"10.1299/JSME1987.30.1812","DOIUrl":"https://doi.org/10.1299/JSME1987.30.1812","url":null,"abstract":"This paper presents a study on the dynamic behavior of WN gears. Tooth bearings of various WN and involute gears for various center distances were examined experimentally. The circumferential, radial, and axial vibration accelerations, sound pressure, and tooth root sresses of WN and involute gears were measured under different running conditions by using a gear testing machine of a power absorbing type. The dynamic behavior of WN gears was compared with that of involute gears, and the effect of center distance on the dynamic behavior of WN and involute gears was clarified to a considerable extent.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121338805","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
An Evaluation Method of J-Integral for Porous Polymeric Materials : Series A : Solid-Mechanics, Strength of Materials 多孔聚合物材料的j积分评价方法:A辑:固体力学，材料强度
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIA.53.581
Megumu Suzuki, H. Nakanishi, M. Iwamoto, Akira Hashimoto, K. Koike
{"title":"An Evaluation Method of J-Integral for Porous Polymeric Materials : Series A : Solid-Mechanics, Strength of Materials","authors":"Megumu Suzuki, H. Nakanishi, M. Iwamoto, Akira Hashimoto, K. Koike","doi":"10.1299/KIKAIA.53.581","DOIUrl":"https://doi.org/10.1299/KIKAIA.53.581","url":null,"abstract":"A simple equation of the J-integral proposed by Rice et al does not take consideration of the notch length of the test specimen, although is does into consideration the non-linearity of the materials. So, the J-integral equation which modified the effect of notch length is confirmed for brittle and porous polymeric materials, i. e. RIM Polyurethane at low temperature, in which the skin layers are removed. It is found that the equation can be applied to ductile and porous polymeric materials at a temperature of 20°C. The equation is examined by changing the specimen thickness at that temperature. It is found that the J-integral resistant curve determined by this method is independent of specimen thickness.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116171492","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
Transient Thermoelastic Problem in a Long Circular Cylinder with Temperature Dependent Properties : Series A : Solid-Mechanics, Strength of Materials 具有温度相关特性的长圆柱的瞬态热弹性问题:a系列:固体力学，材料强度
JSME international journal : bulletin of the JSME Pub Date : 1987-11-16 DOI: 10.1299/KIKAIA.53.559
N. Noda, Yasutaka Daichyo
{"title":"Transient Thermoelastic Problem in a Long Circular Cylinder with Temperature Dependent Properties : Series A : Solid-Mechanics, Strength of Materials","authors":"N. Noda, Yasutaka Daichyo","doi":"10.1299/KIKAIA.53.559","DOIUrl":"https://doi.org/10.1299/KIKAIA.53.559","url":null,"abstract":"The thermal and mechanical properties of materials vary with temperature, so the temperature dependence of materials must be taken into consideration in the thermal stress analysis of modern structural elements. This paper is concerned with a transient thermoelastic problem in a long circular cylinder exhibiting temperature-dependent thermal and mechanical properties. This problem is solved by the perturbation method. The fundamantal problem for the perturbation method may be treated by the thermoelastic potential function and Love's function, and the n-th problem can be solved by displacement functions.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125792712","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
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