関西造船協会誌

表紙

原稿種別: 表紙
p. Cover1-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_Cover1

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目次

原稿種別: 表紙
p. Cover2-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_Cover2

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[OTHERS]

原稿種別: 付録等
p. App1-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_App1

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船舶の煙突の形状について

岡田正次郎, 信藤純生

原稿種別: 本文
p. 1-8
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_1

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In this paper, the authors report on the shape of stacks of ships from the standpoint of avoiding smoke nuisance. It consists of the results of model experiments in a windtunnel, observation of smoke during actual ship trials, theoretical calculation of flow around the stack, and the results of experiments on the pressure distributions on the various stacks. Furthermore the general description on the various kinds of method of avoiding smoke nuisance is made, refering to other papers on this subject.

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スーパータンカーの肥瘠係数の選定について

富田哲治郎, 宮本洋一, 今井利明

原稿種別: 本文
p. 9-15
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_9

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Looking over the data of super tankers built for these few years, we can easily see that the block-coefficients of those vessels are larger than the usual values of ordinary cargo ships, but can not find any definite standard on it. To determine the most economical block-coefficient, we calculated initial costs and earning efficiencies for super tankers with large block-coefficients using the results of the tank tests which have been carried out at our request by the Transportation Technical Research Institute. Our conclusion is, in a word, that it is not advantageous to choose larger blockcoefficient than 0.80, especially from a stand-point of earning efficiency.

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推進軸の横振動について

笹間義郎, 鷲見倫一

原稿種別: 本文
p. 16-20
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_16

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Recently it is considered that some failures of propeller shaft and sleeve are ascribed to the lateral vibration of propeller shaft excited by hydrodynamic forces acting upon the propeller. The authors carried out the calculation of the natural frequency of the lateral vibration of shaft and measured it by a simple way on two ferry boats. Comparison between the calculation and the measurement shows that the natural frequency of vibration of the fundamental mode can be estimated pretty well by our approximate method of calculation.

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推進軸被金腐蝕を対象とした推進軸と船体との相対振動の実船計測結果

平田稔

原稿種別: 本文
p. 21-28
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_21

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As a cause of erosion damage on manganese bronze coated tailshaft sleeves of the ships built after the termination of the War may be enumerated the relative vibrations of the tailshaft to the hull. On seven ships we have measured such relative vibrations just ahead of the stern tube using the cantilever type pickups with strain-gauges and also at the same time horizontal hull vibrations were measured by strain gauge type hull vibrographs and recorded on the same oscillo papers. By analyzing these oscillograms the aspect of relative vibrations of the tailshaft to the hull have been visualized and the effect of the higher order vibration of the hull on these relative vibrations have been ascertained to a certain extent.

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浮ドックの模型実驗について

北田甲子郎, 池正文, 栗原一郎

原稿種別: 本文
p. 29-33
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_29

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To investigate the longitudinal strength of a floating dock of pontoon type the model experiments were carried out which revealed interesting stress concentration at the slit of the pontoon and contribution of pontoon to the longitudinal strength as showed in this paper.

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圧力勾配のある乱流境界層における混合距離について (第2報)

笹島秀雄, 田中一朗

原稿種別: 本文
p. 34-39
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_34

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1. Applying the von Karman's similarity theory to flow near the wall, the following analytical form of the mixture length is obtained. [numerical formula] n=0&sim;1, K=0.4, σ_1=8.4, C_2=-3.8. (See below as to notation.) This expression shows fairly good agreement for Nikuradse's divergent channel flow (1st Report) and may be recommended for use to the general turbulent boundary layer with proper consideration. 2. For flow in a convergent channel the analysis as for the divergent case (1st. Report) has been made, and it is shown that the mixture length distribution can be approximated by either the same formula for flow along flat plate (6') or Ky without much error. Discussion like 1. cannot be made because of the uncertainty of calculated results. 3. Lastly the remark is added that the approximation of shearing stress distribution by pressure gradient only, as usually used, is not satisfactory even in the sense of the first order and needs the correction due to acceleration terms. The idea of "effective pressure gradient" is presented.

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本会記事

原稿種別: 付録等
p. 40-41
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_40

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MILOS号

原稿種別: 付録等
p. App2-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_App2

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ARAGON号

原稿種別: 付録等
p. App3-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_App3

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GALATIA号

原稿種別: 付録等
p. App4-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_App4

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最上山丸

原稿種別: 付録等
p. App5-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_App5

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IRAVING GLEN号

原稿種別: 付録等
p. App6-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_App6

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HAIKWANG号

原稿種別: 付録等
p. App7-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_App7

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裏表紙

原稿種別: 表紙
p. Cover3-
発行日: 1956/12/30
公開日: 2018/02/24

DOIhttps://doi.org/10.14856/kansaiks.84.0_Cover3

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