Experimental investigation on stern-boat deployment system and operability for Korean coast guard ship
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초록
The stern boat deployment system was investigated to evaluate the capability of launching and reco¬vering rigid hull inflatable boat (RHIB) via the stern ramp. The main parameters to launch and recover RHIB were tested at the design stage. The combined hydrodynamic effect of the stern wake and the water jet flow made it difficult to maintain the maneuvering and sea-keeping ability of RHIB approaching to the stern ramp. The safe recovery course was proposed to maintain the directional control of RHIB and to reduce the combined hydrodynamic effect in the transom zone. To evaluate the fea¬sibility of RHIB recovery, the stern sill depth was measured in various conditions and the ramp availability time was obtained. Also, the experimental percent time operability (PTO) test was performed by the number of successive launching and recovering operations.
Abstract
The stern boat deployment system was investigated to evaluate the capability of launching and reco¬vering rigid hull inflatable boat (RHIB) via the stern ramp. The main parameters to launch and recover RHIB were tested at the design stage. The combined hydrodynamic effect of the stern wake and the water jet flow made it difficult to maintain the maneuvering and sea-keeping ability of RHIB approaching to the stern ramp. The safe recovery course was proposed to maintain the directional control of RHIB and to reduce the combined hydrodynamic effect in the transom zone. To evaluate the fea¬sibility of RHIB recovery, the stern sill depth was measured in various conditions and the ramp availability time was obtained. Also, the experimental percent time operability (PTO) test was performed by the number of successive launching and recovering operations.
참고문헌 (5)
- Clauss, G.F., "Investigation and optimization of boat deployment systems at high seas", 25th International Conference on Offshore Mechanics and Arctic Engineering. Hamburg (2006), OMAE
- A Proposed criterion for launch ramp availability, "Dalzell, J.F.", ~, pp.Technical Report NSWCCD-50TR-2003 (2003), 15
- Minnick, P.V., "Operational comparison of the 270-ft WMEC and 378-ft WHEC based on full scale seakeeping trials", Society of Naval Architects and Marine Engineers Chesapeake Section, ~ (1999)
- Sheinberg, R., "Worldwide assessment of stern launch capability", 24th United States Japan Cooperative Program in Natural Resources (U.S., 2001, ~
- Sheinberg, R., "Stern boat deployment systems and operability", World Maritime Technology Conference. San Francisco, United States of America (2003)