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JSME international journal : bulletin of the JSME最新文献

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A Quantitative Analyzing Method for the Synchrony Between a Speaker's Voice and a Listener's Nodding in Interpersonal Communication 人际交际中说话人与听者点头同步的定量分析方法
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/JSME1987.30.2040
Tomio Watanabe
{"title":"A Quantitative Analyzing Method for the Synchrony Between a Speaker's Voice and a Listener's Nodding in Interpersonal Communication","authors":"Tomio Watanabe","doi":"10.1299/JSME1987.30.2040","DOIUrl":"https://doi.org/10.1299/JSME1987.30.2040","url":null,"abstract":"","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130215457","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
The Effect of Unsteadiness of Injection Pressure History on Diesel Spray Characteristics : Spray Development an the Drop Size in a Higher Injection Pressure Region under and Atmospheric Condition 喷射压力历史的不稳定对柴油喷雾特性的影响:在高喷射压力区域和常压条件下的喷雾发展和液滴大小
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/KIKAIB.53.1443
S. Shiga, Takao Karasawa, T. Kurabayashi
{"title":"The Effect of Unsteadiness of Injection Pressure History on Diesel Spray Characteristics : Spray Development an the Drop Size in a Higher Injection Pressure Region under and Atmospheric Condition","authors":"S. Shiga, Takao Karasawa, T. Kurabayashi","doi":"10.1299/KIKAIB.53.1443","DOIUrl":"https://doi.org/10.1299/KIKAIB.53.1443","url":null,"abstract":"To predict the shape of a flame in a vessel is one of very important problems in the field of combustion. But it is difficult because the shape is strongly influenced by the flow which is affected not only by the surrounding walls but also by the expansion of gas due to combustion. The mechanism of formation of a wedge shaped flame in a constant volume combustion chamber has longtime been a target of many researchers since Ellis pointed it out in 1928. Several hypotheses have been proposed but they do not clearly present a complete mechanism. Modern techniques of measurement are giving new data about the combustion gases. In this report, a two dimensional LDV and some other measuring techniques are used to check the hypotheses mentioned above, and a new idea on the mechanism of formation of a wedge shaped flame is proposed.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134252674","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
Research on the Similarities and the Solutions of an Inlet Cone Vortex in Centrifugal Fans 离心风机进口锥涡的相似性及解决方法研究
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/KIKAIB.53.1262
Yoshito Kimura, H. Higashimori, Norio Watabiki, N. Inada
{"title":"Research on the Similarities and the Solutions of an Inlet Cone Vortex in Centrifugal Fans","authors":"Yoshito Kimura, H. Higashimori, Norio Watabiki, N. Inada","doi":"10.1299/KIKAIB.53.1262","DOIUrl":"https://doi.org/10.1299/KIKAIB.53.1262","url":null,"abstract":"The inlet cone vortex pressure pulsations in centrifugal fans with inlet guide vanes are caused by the oscillatory motion of the swirl flow in the inlet cone. These studies were carried out to clarify the similarities of inlet cone vortex pressure pulsations, and to find out solutions to reduce the amplitude. Three different centrifugal fans were tested for pressure pulsations. The results of these studies show that the Strouhal number of the oscillatory motions can be related to the ratio of the angular and the linear momentum fluxes. Then an effective solution was found for reducing the amplitude of pressure pulsations.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127439381","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
An Experimental Investigation on Aerodynamic Interblade Interactions of a Vibrating Cascade in Transonic Flow 跨声速流动中振动叶栅叶片间气动相互作用的实验研究
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/JSME1987.30.1919
Y. Hanamura, K. Yamaguchi
{"title":"An Experimental Investigation on Aerodynamic Interblade Interactions of a Vibrating Cascade in Transonic Flow","authors":"Y. Hanamura, K. Yamaguchi","doi":"10.1299/JSME1987.30.1919","DOIUrl":"https://doi.org/10.1299/JSME1987.30.1919","url":null,"abstract":"The characteristics of the aerodynamic interblade interaction of the vibrating cascade in transonic flow are examined by a \"one-blade oscillation method\" and some aspects of aerodynamic interblade interaction which are hidden in case of the conventional \"all-blades vibration method\" are clarified. In the report, the effects of the compressibility of the flow on the aerodynamic interactions are clarified and the reasons why the characteristics of the aerodynamic damping of the uniform cascade are varied with the Mach number, reduced frequency and interblade phase angle are elucidated.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125329768","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
On-Board Antenna Pointing Mechanism for Multi-Beam Satellite Communications Systems 多波束卫星通信系统的星载天线指向机构
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/JSME1987.30.2011
Eiichi Tsukuda, Y. Kawakami, S. Miyake, S. Ogawa
{"title":"On-Board Antenna Pointing Mechanism for Multi-Beam Satellite Communications Systems","authors":"Eiichi Tsukuda, Y. Kawakami, S. Miyake, S. Ogawa","doi":"10.1299/JSME1987.30.2011","DOIUrl":"https://doi.org/10.1299/JSME1987.30.2011","url":null,"abstract":"","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126937878","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
Young's Modulus and Poisson's Ratio on Low-Cycle Fatigue 低周疲劳的杨氏模量和泊松比
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/kikaia.53.724
S. Matsuoka, M. Yuyama, S. Nishijima
{"title":"Young's Modulus and Poisson's Ratio on Low-Cycle Fatigue","authors":"S. Matsuoka, M. Yuyama, S. Nishijima","doi":"10.1299/kikaia.53.724","DOIUrl":"https://doi.org/10.1299/kikaia.53.724","url":null,"abstract":"Axial-and diametral-strain-controlled low-cycle fatigue tests were performed on carbon and low-alloy steels with both an axial and a diametral extensometer mounted on the same cylindrical specimen. The results obtained are summarized as follows. (1) Young's modulus, E, under cyclic plastic deformation was given by E=σa/el =σa/(el -el ), where σa is stress amplitude, and el , el and el are total, elastic and plastic strain amplitudes in the axial direction, respectively. E was nearly equal to 206 GPa when el =0, while it decreased with increasing el . (2) Poisson's ratio for elastic and plastic strain, υe=-(ed /el ) and υp=-(ed /el ), were nearly equal to 0.3 and 0.5, respectinely, where ed and ed are diametral elastic and plastic strain amplitudes. (3) Strain-fatigue life properties for axial and diametral strain-controlled tests were coincident each other when the axial strain was calculated from the measured diametral strain through an equation of tranformation on the assumption that E=206GPa, υe=0.3 and υp=0.5.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131782132","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
Forced Convective Condensation of a Binary Mixture of Vapors 二元蒸汽混合物的强制对流冷凝
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/JSME1987.30.1951
K. Hijikata, N. Himeno, S. Goto
{"title":"Forced Convective Condensation of a Binary Mixture of Vapors","authors":"K. Hijikata, N. Himeno, S. Goto","doi":"10.1299/JSME1987.30.1951","DOIUrl":"https://doi.org/10.1299/JSME1987.30.1951","url":null,"abstract":"The characteristics of the forced convective condesation of a binary mixture of vapors on a vertical tube were experimentally investigated using a R 113-R 114 mixture under the condition of 1 300<Re<9 300. One smooth tube and three kinds of finned tubes were used as test condenser tubes. The experimental results of the heat-transfer coefficient in the small temperature-difference region were compared with the theoretical results using an analogy between heat and mass transfer. In the small bulk-to-wall temperature-difference region, the heat-transfer coefficient, especially for a high-performance finned tube, was reduced markedly by the thermal resistance of the diffusion layer. The effect of the diffusion lsyer was significant in the low Re number region, but it decreased considerably in the high Re number region. On the other hand, in the large bulk-to-wall tempersture-difference region, the reduction of the heat-transfer coefficient decreased and was almost independent of the vapor flow velocity.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130239513","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 effect of surface micropits upon the fatigue strength of high-strength steel. 表面微坑对高强钢疲劳强度的影响。
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/JSME1987.30.1906
Hironori Maikuma, M. Shimizu, Kazuhiro Kawasaki
{"title":"The effect of surface micropits upon the fatigue strength of high-strength steel.","authors":"Hironori Maikuma, M. Shimizu, Kazuhiro Kawasaki","doi":"10.1299/JSME1987.30.1906","DOIUrl":"https://doi.org/10.1299/JSME1987.30.1906","url":null,"abstract":"A study has been made of the influence of artificial semispherical surface flaws with diameters of 25 to 175 μm upon the fatigue limit of high-strength steel. This has been done to better understand the origin of the harmful effect of hard inclusions on the fatigue resistance of high-strength steel in which hard inclusions are poorly bonded to the matrix microstructure. An attempt has been made to estimate the true fatigue limit of the ideal inclusion-free microstructure of the steel, and the effect of inclusions on the fatigue strength of the steel has also been discussed quantitatively on the basis of the results of such an estimation of the true fatigue limit.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114772076","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: 6
Turbulence Structure in the Leading-Edge Separation Zone of a Blunt Circular Cylinder 钝圆柱前缘分离区的湍流结构
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/KIKAIB.53.1183
M. Kiya, Toshiya Nozawa
{"title":"Turbulence Structure in the Leading-Edge Separation Zone of a Blunt Circular Cylinder","authors":"M. Kiya, Toshiya Nozawa","doi":"10.1299/KIKAIB.53.1183","DOIUrl":"https://doi.org/10.1299/KIKAIB.53.1183","url":null,"abstract":"This paper describes experimentally the turbulence structure in the separation zone at the leading edge of a blunt circular cylinder aligned with a uniform main flow. The experiment was made in a wind tunnel at a Reynolds number of 200 000. Turbulent velocities were measured by split-film probes and surface-pressure fluctuations by semiconductor strain-gauged pressure transducers mounted inside the cylinder. Profiles of the time-mean and r. m. s. values of the fluctuating quantities and the Reynolds shearing stress in the separation zone are presented. Cross correlations and power spectra of the surface pressures yield the translation velocity of large-scale vortices and the frequency at which they are shed from the separation zone. The unsteady nature of the flow is demonstrated by the reverse-flow intermittency and by the frequency of switching of the local-flow direction. Moreover, the above properties are discussed in comparison with those of a leading-edge separation zone of a two-dimensional blunt plate.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128994499","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: 8
Disintegration of Liquid Droplets of High Concentration Coal-Water Slurry by Air Flow 高浓度水煤浆液滴的气流崩解
JSME international journal : bulletin of the JSME Pub Date : 1987-12-16 DOI: 10.1299/KIKAIB.53.1386
T. Inamura, N. Nagai, Hideto Inagaki
{"title":"Disintegration of Liquid Droplets of High Concentration Coal-Water Slurry by Air Flow","authors":"T. Inamura, N. Nagai, Hideto Inagaki","doi":"10.1299/KIKAIB.53.1386","DOIUrl":"https://doi.org/10.1299/KIKAIB.53.1386","url":null,"abstract":"Experiments on the disintegration of coal-water slurry (CWM) drops by parallel air flow have been carried out in order to clarify the disintegrating mechanism of CWM using a rectangular wind tunnel. Experiments were conducted with varying kinds of liquid and coal concentrations of CWM. From the experiments the following results were obtained. Liquid atomization processes are classified into three types of disintegration, namely, separation-wise, ligament-wise and dropwise disintegration. Generated CWM spray is composed of irregular and spherical particles. Irregular particles increase as air velocity increases and they are mostly generated by separation-wise and ligament-wise disintegration. On the other hand spherical particles are mostly generated by dropwise disintegration. Finally, a model of the disintegrating mechanism, which can well explain the formation mechanism of these particles, was proposed.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"103 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1987-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116655753","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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