1976
1976
Editors: Dr Basil Greenhill ; Robert Gardiner
12d
Editors: Dr Basil Greenhill ; Robert Gardiner
Conway Maritime Press
Catalogue number629.270
12d
1993
ISBN number851175659
J F Allan
1953
Factors affecting ship performance in a seaway are discussed including - ship resistance of various merchant ship types; hull roughness; form rudder and stern frame design; propeller types blade and section design; hull vibration; and aspects of seakindliness pitch roll manoeuvring.
J F Allan
1953
L C Burrill
1933
Techniques used for ship model testing in experimental tanks described including - methods of William Froude for determining components of ship hull resistance plank model and Greyhound experiments; methodical studies on systematic series to compare ship hull forms and parameters.
L C Burrill
1933
214c
Lloyd's List Events
214c
2000
Lloyd's List Events
1966
1966
1968
1968
R L Rothman ; R E Monroe
1973
R L Rothman ; R E Monroe
1973
H W Mishler
1976
H W Mishler
1976
H W Mishler
1976
H W Mishler
1976
Jong Jin Parki ; Mun Sung Kim ; Hee Sung Lee et al.
2007
Moonpools inside of drill ships are the necessary holes for drilling pipes and risers. The holes inside of a ship will create hydrodynamic problems. Two obvious hydrodynamic induced problems are the increase of ship resistance at transit condition and over flow on deck of a ship at operation condition due to violent ship motions resonance and sloshing phenomena inside of moonpools. The present study is concerned with the numerical and experimental analysis of a moonpool in rough sea. From hydrodynamic viewpoint a moonpool of drill ships can cause various problems. Among them two major problems arise such as an increased resistance and overflow on the deck due to pumping up phenomena. To overcome these inherit problems we have carried out various numerical analysis to find optimum moonpool shapes. The 3D numerical model adopting SOLA-VOF scheme is used to predict violent free surface movement inside of a moonpool due to irregular ship motions with six degree of freedom. For accurate input data of ship motions a 3D panel method program is applied for seakeeping analysis. The resistance and seakeeping model test have been carried out at MARINE to validate the proposed moonpool shapes which have been designed based on numerical simulation results.
Jong Jin Parki ; Mun Sung Kim ; Hee Sung Lee et al.
2007
Toshio Iseki
2005
In the research field of sea-keeping qualities the short-term prediction method has been established on the assumption that the seaway can be considered as a stationary stochastic process. In actual ship operations however the ship motions in waves are regarded as non-stationary random processes because the ship's manoeuvres such as course and speed alterations change the encounter angle and encounter frequency with waves. The TVVAR (time varying coefficient vector autoregressive) modelling is applied to the cross-spectral analysis of non-stationary ship motion data. Introducing the instantaneous response a vector autoregressive model can be reduced to simple TVAR (time varying coefficient autoregressive) models for each ship motion and the required CPU time is effectively reduced. The TVVAR model and stochastic perturbed difference equations are transformed into a state space model. The vector-valued unknown coefficients can be evaluated and the instantaneous cross spectra of ship motions can be calculated at every moment. The results showed good agreements with one of the TVAR modelling and also with the SAR (stationary autoregressive) modelling analysis under stationary conditions. Furthermore the instantaneous relative noise contribution was also estimated using the TVVAR coefficients and illustrated how the structure of a spectrum changed according to the ship manoeuvres for the first time. Optimum order of the model and Akaike's information criterion were also examined for several changes of parameters. Moreover it is confirmed that the TVVAR modelling can estimate the instantaneous cross spectra and relative noise contribution ofX11884 Institute of Electrical and Electronics Engineers; Standard dictionary of electrical and electronics terms 3rd Edition.
Toshio Iseki
2005
F S Larsen
1988
The Danish Project Ship a government backed programme has invited a range of marine specialists to co-operate in the design of a high technology low running cost minimum crew ship for the smaller owner. Aspects discussed include - market research; structural design; machinery; ship control; deck machinery; crew qualifications. Proposals for a roro a chemical tanker and alternative containerships were achieved.
F S Larsen
1988
G W White
210f
The book initially deals with the general theory of strength of materials, then progresses from the simply supported beam to the ship girder and finally discusses electronic calculators and computers that are used to solve complex problems in the loading of ships.
G W White
Stanford Maritime Ltd
210f
1979
L Morawski ; M Tomera
2000
A system controlling the motion of a ship along a prescribed line of motion is presented. Two internal sub systems controlling the course and speed of the ship are included. Problem formulation is covered. The structure of the control system is explained. Results of simulation tests are given and conclusions are listed.
L Morawski ; M Tomera
2000
Henry Hall
16b
This book covers fishing vessels, merchant sailing vessels, ship-building on the ocean coasts, steam vessels, iron vessels, canal-boats, United States navy yards, ship-building timber, and statistics of ship-building.
Henry Hall
Library Editions
16b
1970
A N S Burnett
229c
This series of articles on ship operation and maintenance look at capital costs and technical specifications, ships trial and equipment performance, management of maintenance and related human factors, control of maintenance - the key to profits, and gives questions and answer between a shipowner and the author.
A N S Burnett
International Marine Services
229c
1971
M J Chiocco ; E Numata
1969
M J Chiocco ; E Numata
1969
A E Johnson ; A Flaherty ; I J Walters
1973
A E Johnson ; A Flaherty ; I J Walters
1973
B Radanovic ; V Androcec ; J Lovric
1995
A review is provided of the influence of ship structure elements on sound transmission. After this some structure borne sound propagation empirical models are presented as the basis for preliminary prediction in the early stage of ship design. Lastly two special approaches are described for structure-borne sound reduction - the application of blocking masses and viscoelastic damping coating.
B Radanovic ; V Androcec ; J Lovric
1995