1–50 von 81 Ergebnissen
|

    A functional representation of fluid actions on ships

    Bishop, R.E.D. / Price, W.G. / Temarel, P. | IOS Press | 1984
    Volterra functional series. Examples of the resulting technique are discussed in relationship to the behaviour of a ship model undergoing steady ...
    Schlagwörter: Research Article

    An analysis of the Series 60 results

    Part I. Analysis of forms and resistance results
    Shaher Sabit, A. | IOS Press | 1972

    The Series 60 results are analytically analysed in order to achieve its ultimate objectives in a computer program form. All form

     ...
    Schlagwörter: Research Article

      An analysis of the Series 60 results

      Part II. Regression analysis of the propulsion factors
      Shaher Sabit, A. | IOS Press | 1972

      Regression analysis is used to express the wake fraction, thrust deduction, hull efficiency and relative rotative efficiency in terms of

       ...
      Schlagwörter: Research Article

    An experimental analysis of shipmotions in longitudinal regular waves1

    Gerritsma, J. | IOS Press | 1958

    In the current literature on seaworthiness, it is generally assumed that the pitching and heaving motions of a ship in longitudinal

     ...
    Schlagwörter: Research Article

    An investigation into the course stability of the B.S.R.A. 0.85 block coefficient methodical series form

    Clarke, D. | IOS Press | 1970
    course stability of the B.S.R.A. 0.85 CB form. The fibreglass model, which was fitted with a propeller, was attached to the arm in ...
    Schlagwörter: Research Article

    A review of research activities at the Netherlands Ship Model Basin1

    van Manen, J.D. | IOS Press | 1963
    give the naval architect in a nutshell an overall impression of the progress made during the last few years. The main research items described ...
    Schlagwörter: Research Article

    A statistical method for calculation of resistance of the stepless planing hulls1

    Radojčić, D. | IOS Press | 1984

    A mathematical model is presented for predicting the resistance and trim angle of bare stepless planing hulls in calm water for volume

     ...
    Schlagwörter: Research Article

    Behaviour and design of stiffened plates under predominantly compressive loads1

    Guedes Soares, C. / Søreide, T.H. | IOS Press | 1983
    treatment is provided of simplified methods for use in design work. A series of calculations is performed with various design methods to provide a ...
    Schlagwörter: Research Article

    Calculation of bottom clearance effects on Walrus submarine hydrodynamics

    IOS Press | 2010

    Due to changes in operations, the Royal Netherlands Navy (RNLN) is operating its submarines increasingly in brown water regions (i.e

     ...

    Cavitation on hemispherical nosed teflon bodies1

    van der Meulen, J.H.J. | IOS Press | 1972

    In a high speed water tunnel, incipient and desinent cavitation are investigated on a series of hemispherical nosed teflon bodies. The

     ...
    Schlagwörter: Research Article

    Comparative study between analytical and FE analysis for the ultimate strength assessment of pitted platings

    Piscopo, Vincenzo / Scamardella, Antonio | IOS Press | 2019
    of platings in the post-buckling regime. In this respect, a comparative analysis between the analytical solution and a series of FE results ...

    Computation by finite element method of hydrodynamic coefficients of ships in shallow water1

    Baar, J.J.M. | IOS Press | 1984
    developed for the computation of the hydrodynamic coefficients of a slender ship form, travelling with forward speed in shallow water.

    The

     ...
    Schlagwörter: Research Article

    Coupled transverse shaft vibrations of modern ships1

    Vassilopoulos, L. / Bradshaw, R. | IOS Press | 1974
    ship designs. Analytical details are mostly retained in a series of appendices and the paper concludes with a set of recommendations that will ...
    Schlagwörter: Research Article

    Development of generic airport categories for rapid fleet-level noise modeling

    Bernardo, José E. / Kirby, Michelle / Mavris, Dimitri | IOS Press | 2015

    Operations forecast are projecting significant growth in total operations in the United States and

     ...

    Dynamic response of ship main dimensions and hull material in vertical motion

    Nassef, I. | IOS Press | 1984
    : ship’s mass, surrounding water mass and bending stiffness’, are studied and approximated in series harmonic functions. Minor factors, ‘effect of ...
    Schlagwörter: Research Article

    Economy calculations in ship design

    Völker, H. | IOS Press | 1967
    and best possible ship: using the methods of modern Operations Research. The example of an optimization of the service speed is given to ...
    Schlagwörter: Research Article

    Effect of ship main dimensions and properties of hull material on deflection, shear force and bending moment

    Nassef, I. | IOS Press | 1983

    In this investigation the influence of a Winkler type of elastic foundation on deflection of ship hull is studied. In addition the

     ...
    Schlagwörter: Research Article

    Effect of ship section scantlings and transverse position of longitudinal bulkheads on shear stress distribution and shear carrying capacity of main hull girder

    Shama, M.A. | IOS Press | 1969
    is carried out in the form of a parametric study using the University IBM 1620 digital computer. The results are given in terms of ship depth ...
    Schlagwörter: Research Article

    Effects of distributed roughness on the skin friction of ships

    Kauczynski, W. / Walderhaug, H. | IOS Press | 1987

    In order to study the influence of different distributions of paint roughness on ship skin friction resistance a calculation method has

     ...
    Schlagwörter: Research Article

    Equilibrium of offshore cables and pipelines during laying

    Pedersen, P. Terndrup | IOS Press | 1975
    floor and a laying barge or a stinger is presented. Variations in bending stiffness, weight and buoyancy and forces due to ocean current are ...
    Schlagwörter: Research Article

    Experimental determination of bending moments for three models of different fullness in regular waves1

    de Does, J.Ch. | IOS Press | 1960

    Three models of the Sixty series Parent Form were tested in the Delft Towing Tank in order to determine bending moments in waves. The

     ...
    Schlagwörter: Research Article

    Experiments with series 60 models in waves1

    Vossers, G. / Swaan, W.A. / Rijken, H. | IOS Press | 1961
    on the behavior of a ship model in waves. The models form a related family and have been chosen in accordance with the Series 60 lines. The ...
    Schlagwörter: Research Article

    Extended heat exchange surface for marine and nuclear boilers1

    Zoller, R.E. | IOS Press | 1958
    ( 1 /( / 2 in. tubes was ...
    Schlagwörter: Research Article

    FORMDATA II1

    Hydrostatic data for ship forms of full and finer type hydrostatic data, trimmed conditions
    Guldhammer, H.E. | IOS Press | 1963

    This paper contents extensions of the series of hydrostatic data presented in the FORMDATA. The new series will cover full ships and

     ...
    Schlagwörter: Research Article

    Further computer-analyzed data of the Wageningen B-screw series

    Oosterveld, M.W.C. / van Oossanen, P. | IOS Press | 1975

    In this paper the open-water characteristics of the Wageningen B-series propellers are given in polynomials for use in preliminary ship

     ...
    Schlagwörter: Research Article

    Geometrically similar models

    An investigation of some problems resulting from their resistance values
    Ridgely-Nevitt, Cedric | IOS Press | 1959
    series of small models, were undertaken to eliminate the former effect and corresponding large models selected where reasonable assurances of ...
    Schlagwörter: Research Article

    Geometry, resistance and stability of the Delft systematic yacht hull series1

    Gerritsma, J. / Onnink, R. / Versluis, A. | IOS Press | 1981

    Resistance and stability in upright and heeled position has been determined for a series of twenty two systematically varied yacht hull

     ...
    Schlagwörter: Research Article

    Graphical presentation of hull frequency data and the influence of deck-houses on frequency prediction1

    Johnson, A.J. / Ayling, P.W. | IOS Press | 1958
    the British Shipbuilding Research Association.

    Previously published methods have been adapted for this purpose, but in the light of

     ...
    Schlagwörter: Research Article

    Hazard analysis of a yacht designed for people with disabilities

    Branowski, Bogdan / Zabłocki, Marek / Gabryelski, Jarosław et al. | IOS Press | 2021

    In connection with the design of a seaworthy yacht for persons with disabilities, authors conduct a

     ...

    Hybrid computer simulation of maneuvering during underway replenishment

    Brown, S.H. / Alvestad, R. | IOS Press | 1974

    This paper describes a hybrid computer simulation of ship maneuvering during underway-replenishment operations. Two identical Mariner

     ...
    Schlagwörter: Research Article

    Hybrid computer simulation of maneuvering during underway replenishment in calm and regular seas

    Alvestad, R. / Brown, S.H. | IOS Press | 1975

    This paper describes the second phase of a hybrid computer simulation of two ships maneuvering during underway replenishment operations

     ...
    Schlagwörter: Research Article

    Incipient and desinent cavitation on hemispherical nosed bodies

    van der Meulen, J.H.J. | IOS Press | 1972
    cavitation were determined in a high speed cavitation tunnel, using a series of stainless steel, hemispherical nosed bodies. The experiments covered ...
    Schlagwörter: Research Article

    Influence of wake on propeller loading and cavitation

    van Gent, W. / van Oossanen, P. | IOS Press | 1973

    In this paper an attempt is made to determine some aspects of the interrelationship between wakefield, adapted propeller design

     ...
    Schlagwörter: Research Article

    Investigations on different propeller types

    Oosterveld, M.W.C. | IOS Press | 1971
    results of such tests by means of a regression analysis is given. For systematic screw series, for instance, the thrust and torque will in future ...
    Schlagwörter: Research Article

    “KV” nozzle propeller series

    Vucinic-Superina, A. | IOS Press | 1968

    The reasons of the use of a new propeller series for nozzles, applied in especially unregulated rivers are explained. The design methods

     ...
    Schlagwörter: Research Article

    Lifting-line theory and calculations for supercavitating propellers

    Andersen, P. | IOS Press | 1976
    .

    Results are shown from calculations in which the propeller data are varied systematically thus making a small propeller series.

     ...
    Schlagwörter: Research Article

    Machine computation of marine propeller characteristics1

    Kerwin, J.E. | IOS Press | 1959

    In this paper, the well-known hydrodynamic solution for an optimum open-water propeller is applied to the case where the performance of

     ...
    Schlagwörter: Research Article

    Measuring the steering performance of ships during full-scale trials and model tests1

    van Amerongen, J. / de Goeij, W.F. / Moraal, J.M. et al. | IOS Press | 1981
    reported. This paper gives some results of a series of full-scale trials.

    Another solution is to measure the difference in performance of

     ...
    Schlagwörter: Research Article

    Method of predicting course stability and turning qualities of ships1

    Jacobs, Winnifred R. | IOS Press | 1964
    viscous fluid is used to predict the stability derivatives (first order hydrodynamic force and moment derivatives) of a family of hulls in order ...
    Schlagwörter: Research Article

    Model tests with decelerating nozzles1

    Oosterveld, M.W.C. | IOS Press | 1968

    This paper presents the results of open-water tests and observation of the cavitation characteristics of systematic series of flow

     ...
    Schlagwörter: Research Article

    Nonlinear effects for ship motion in heavy seas

    Yamamoto, Y. / Fukasawa, T. / Arai, M. et al. | IOS Press | 1982

    A number of ship disasters took place in succession during the past several years in the North Pacific Ocean, and investigations of

     ...
    Schlagwörter: Research Article

    Off-shore drilling barges1

    Pratt, W. / Roy, W.A. | IOS Press | 1960

    This paper gives a brief history of drilling for petroleum under water and the development of the structures used in such operations

     ...
    Schlagwörter: Research Article

    On the calculation of maxima of non-linear waveforces and wave induced motions

    Vinje, T. | IOS Press | 1976
    order solution is given. The distribution is found in terms of an Edgworth-series expansion. This series expansion is in consistence with the ...
    Schlagwörter: Research Article

    On the diffraction problem between two ships advancing in oblique sea

    Fang, Ming-Chung | IOS Press | 1987

    The diffraction problem between two fixed slender ships moving in oblique waves is formulated. The boundary value problem is linearized

     ...
    Schlagwörter: Research Article

    On the supercharging of high-powered 2-stroke diesel engines

    Schmidt, F. | IOS Press | 1958
    principles employed: constant pressure with scavenging pumps in series with the turbo-blower, and pulse operation with pumps in parallel, discussing ...
    Schlagwörter: Research Article

    Open-water test series with propellers in nozzles1

    van Manen, J.D. | IOS Press | 1954

    This paper deals with open-water tests with propellers of the B 4-55 series in nozzles of systematically varied form. The results of the

     ...
    Schlagwörter: Research Article

    Pitch and heave with fixed and controlled bow fins

    Vugts, J.H. | IOS Press | 1967

    A method of calculating the effect of bow antipitching fins on the motions of a model is presented and compared in detail to the results

     ...
    Schlagwörter: Research Article

    Practical aspects in the design of high-speed small propellers1

    Kruppa, C. | IOS Press | 1976

    Methodical series results and theoretical methods are discussed as suitable means of design, both for large blade area ratio

     ...
    Schlagwörter: Research Article

    Preliminary fleet design by geometric programming

    Folkers, J.S. | IOS Press | 1969
    this paper is to apply this method to a problem of preliminary fleet operations analysis. Three versions of this problem are fully discussed ...
    Schlagwörter: Research Article

    Propeller cavitation: Further tests on 16in. propeller models in the King’s College cavitation tunnel1

    Merchant ship propellers with four, five and six blades
    Burrill, L.C. / Emerson, A. | IOS Press | 1963

    Results are presented for a four-bladed .60 expanded-area ratio merchant-ship propeller series tested in the cavitation tunnel in the

     ...
    Schlagwörter: Research Article

    Resistance prediction of small high-speed displacement vessels: state of the art1

    van Oossanen, P. | IOS Press | 1980

    In preliminary ship design studies it is frequently necessary to estimate the calm water resistance characteristics of various hull

     ...
    Schlagwörter: Research Article