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Earth quake aftermath in 120ft tank
froudedude
74 views
water gently sloshing transversely in tank..
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Dynamic Amplification of Ship Roll Motions
froudedude
179 views
This lab is used to create a transfer function for roll, but it also serves to show how excitation frequency directly effects ship motions. Waves are sent at the model at ...
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Shallow Water Ship Model Tests
froudedude
460 views
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Forced Roll Oscillation Test
froudedude
218 views
This model was set up to test the dynamic forces on a series 62 prismatic planing hull when force into a rolling oscillation. The roll motion was achieved with a large bru...
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Panamax EHP Test
froudedude
520 views
1/40th scale panamax container ship effective horse power test to calculate electric motor size. This will eventually be a self-propeller model for manuvering tests.
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propeller cavitation
froudedude
4,452 views
Cavitation of a propeller in a low pressure water channel. The strobe interfered with the camera and there is flashing. Don't go into convulsions please.
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Open Water Video
froudedude
2,386 views
This is an open water propeller test. We are using an exact scale replica of an FFG 7 propeller (hence the $50k price tag), which when coupled to the ship model can give us...
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Towing a flat plate
froudedude
2,788 views
Froude realized that ship resistance was the function of two components: residuary (wave making) and frictional resistance. Towing a ship model will give the total resista...
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Making standing waves
froudedude
142,369 views
A standing wave is made by sending a wave group down the tank against a fixed wall. The reflected wave will superimpose upon the incident waves doubling the amplitude. As...
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FFG 7 tow tank model test.wmv
froudedude
9,552 views
Test of the maneuvering characteristics of a 16 foot (1/25th scale) self propelled FFG 7 class frigate. The planer motion machine moves the model in a sign wave curve as th...
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