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Improvement of Water Entry Performance of a Free-fall Lifeboat
Water Entry Performance Free-fall Lifeboat situations
2009/4/30
In past studies, water entry performance has mainly been examined in terms of the launching conditions of free-fall lifeboats; the effect of hull shape has not generally been investigated. In this stu...
A Study of Thermal Stress Based on Metabolic and Radiation Heat for Improvement of Working Environment in Exposed Spaces(Part 1 Aspects of summer heat and storage of body heat)
Thermal Stress Metabolic Heat Radiation Heat Exposed Spaces
2009/4/30
As a recent tendency to take high interest in the environmental problem, the time has come to reconsider the present working conditions. The thermal environment at an exposed working place in a hot se...
A Study on Diffusing Aspect and Ventilation of Metallic Fume for Improvement of Working Environment in a Fabrication Shop(Part 1 Measurement of metallic fume)
Diffusing Aspect Metallic Fume Working Environment Fabrication Shop
2009/4/30
As a recent tendency to take high interest in the environmental problem, the time has come to reconsider the present working environment. Especially, air pollution caused by the generated metallic fum...
A Study of Thermal Stress Based on Metabolic and Radiation Heat for Improvement of Working Environment in Exposed Spaces
Thermal Stress Metabolic Radiation Heat Working Environment Exposed Spaces
2009/4/29
In a hot season with skylight, the storage of body heat during an operation at an exposed working place causes the deteriorating work efficiency and the physiological defect. Therefore, it is necessa...
A Study on Diffusing Aspect and Ventilation of Metallic Fume for Improvement of Working Environment in a Fabrication Shop
Diffusing Aspect Metallic Fume Working Environment Fabrication Shop
2009/4/29
Air pollution caused by the generated metallic fume during the progress of welding in a fabrication shop is one of unavoidable issues for labor health. Especially, a worker is likely to be exposed to ...
Improvement on the Fatigue Life of Welded Joints by the Synergy Effect of Ultrasonic Impact Treatment and Steel with High Resistance to Fatigue Crack Growth
Fatigue Life Welded Joints Ultrasonic Impact Treatment High Resistance Fatigue Crack Growth
2009/4/16
The extension of the fatigue life of welded joints has been in demand to improve the safety and reduce the life cycle cost of ships.To meet such demand, it is effective to apply post-weld treatments w...
Improvement of course-keeping ability of a high speed mono-hull by skegs
course-keeping high speed mono-hull
2009/3/30
This paper describes the improvement of course-keeping ability of a ship by attaching the skegs.
Study on Quality Improvement of Filters for Particulate Respirators Used for Welding Work
washable filters shipyards
2009/3/27
The application of washable filters for particulate respirators in shipyards is reported; the problems concerning maintenance and care of the filters are discussed in consideration of filter features.