Development of LDV for Full-Scale Measurements of Ship Stern Flow

Development of LDV for Full-Scale Measurements of Ship Stern Flow

A Laser Doppler Velocimetry was developed to measure the full-scale propeller inflow distribution as a basis of calculating propeller vibratory forces. The present development is featured by (1) wide range of measurement as far as 8m away from the hull and (2) improving signal to noise ratio to meas...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Tanibayashi, H, Imaru, J, Muramoto, T
Format: Report
Sprache:eng
Schlagworte:
Component Reports
DOPPLER EFFECT
FLOW FIELDS
Fluid Mechanics
Inflow
JAPAN
Laser doppler velocimetry
LASER VELOCIMETERS
Marine Engineering
MARINE PROPELLERS
SHIP HULLS
SIGNAL TO NOISE RATIO
VIBRATION
WAKE
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Beschreibung
Zusammenfassung:A Laser Doppler Velocimetry was developed to measure the full-scale propeller inflow distribution as a basis of calculating propeller vibratory forces. The present development is featured by (1) wide range of measurement as far as 8m away from the hull and (2) improving signal to noise ratio to measure the long distance within a relatively short period of measurement. In this paper is presented the description of this measurement system, together with some results of full-scale measurement and discussion on them. This article is from 'International Symposium on Applications of Laser Techniques to Fluid Mechanics and Workshop on Computers in Flow Measurements (6th) Held in Lisbon, Portugal on July 20-23, 1992', AD-A258 510, p16.6.1-16.6.5.