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| Impacts of Emergency Engine Smoke Diffusion of Some Overseas Projects on Take-off and Landing of Helicopter s |
| Received:December 17, 2018 Revised:May 25, 2019 |
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| DOI：10.7643/ issn.1672-9242.2019.05.017 |
| KeyWord:helicopter offshore-platform CAP437 standard exhaust gas diffusion temperature rise turbulence |
| Author | Institution |
| WANG Ya-ying |
Design Company, Offshore Oil Engineering Co., Ltd., Tianjin , China |
| LI Dong-fang |
Design Company, Offshore Oil Engineering Co., Ltd., Tianjin , China |
| HAO Peng |
Design Company, Offshore Oil Engineering Co., Ltd., Tianjin , China |
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| Abstract: |
| Objective To analyze the risk of take-off and landing of helicopters over the helicopter deck of an overseas marine platform. Methods The standards and codes at home and abroad were compared and analyzed to determine CAP437 as the quantitative measurement index for helicopter takeoff and landing. On this basis, CFD software was used to simulate the two main factors affecting helicopter takeoff and landing, temperature field and turbulent flow field. Results Neither the temperature rise nor the turbulence intensity would affect the take-off and landing of the helicopter. Conclusion The probability of unavailability of the helicopter deck on the offshore platform is zero. At the same time, it is confirmed that the discharge position of the exhaust of the diesel emergency engine and the gas discharge position of the air conditioning condensing unit are set properly. |
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