Effects of Ship’s Envelope on Wind Measurements

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Presentation transcript:

Effects of Ship’s Envelope on Wind Measurements LT Tim Anderson OC3570 19 March 2001

Pt. Sur Dimensions Main dimensions Length OA: 41.15m Breadth: 9.75m Freeboard to working deck: 0.0m Max. draft: 2.74m

Pt. Sur Deck

Methodology AN/PMQ-3C hand held anemometer Windbird ship sensor Measurement/recording process Measurement positions

Wind Measurements: Direction

Wind Measurements: Speed

Wind Magnitudes: X velocity

Wind Magnitudes: Y Component

Position #1

Position #2

Position #3

Position #4

Position #5

Position #6

Position #7

Position #8

Conclusions No definitive wind pattern Multiple possible sources of errors Differences in wind at varied heights Simultaneous Measurements required Ship’s structure creates varied wind effects Multiple variables determine ship’s effects