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International Shipbuilding Progress - Volume 21, issue 233

Purchase individual online access for 1 year to this journal.

Price: EUR 95.00
ISSN 0020-868x (P)
ISSN 1566-2829 (E)

Impact Factor 2024: 0.6

The journal International Shipbuilding Progress (ISP) was founded in 1954. Each year two issues appear (in March and September). Publications submitted to ISP should describe scientific work of high international standards, advancing subjects related to the field of Marine Technology, such as:

  • - Concept development
    - General design of ships and offshore objects
    - Ship and offshore structural design
    - Hydro-mechanics and -dynamics
    - Maritime engineering and machinery systems
    - Production processes of all types of ships and other objects intended for marine use
    - Production technology and material science
    - Shipping science, economics, and all directly related subjects
    - Ship operations
    - Offshore and ocean engineering in relation to the marine environment
    - Marine safety
    - Efficiency, lifecycle, and  environment
    - Ice-related aspects for ships and offshore objects.

  • The contents of the papers may be of a fundamental or of an applied scientific nature and must be of the highest novelty and rigor.

Geometrical characteristics of noses and tails for parallel middle bodies

Authors: Granville, P.S.

Article Type: Research Article

Abstract: Two-parameter geometric systems are developed for noses and tails attached to parallel middle bodies in terms of independent polynomials. A new parameter is introduced–the rate of change of curvature with arc length at the juncture with the parallel middle body. ‘Quadratic’ polynomials are considered for bodies of revolution and ‘square root’ polynomials for symmetric two-dimensional bodies. Permissible ranges of the two adjustable parameters are obtained for selected geometrical constraints such as the presence of inflection points.

DOI: 10.3233/ISP-1974-2123301

Citation: International Shipbuilding Progress, vol. 21, no. 233, pp. 3-19, 1974

Price: EUR 27.50

Gas turbine performance under varying torque propeller loads

Authors: Rubis, C.J.

Article Type: Research Article

Abstract: Varying torque propeller loads likely to be encountered in a main propulsion system of a ship in a seaway were simulated as loads on a propulsion gas turbine engine with a constant gas generator speed governed system. The effect on the engine torque and other engine parameters of variations in load magnitude, period of load oscillation, drive train inertia, and engine operating point was investigated and equations derived relating these variables.

DOI: 10.3233/ISP-1974-2123302

Citation: International Shipbuilding Progress, vol. 21, no. 233, pp. 20-27, 1974

Price: EUR 27.50
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