Numerical Study on the Diffusion of Drilling Pollutants Discharge in the Sea

• Main Authors: Wen-Shyang Shieh, 謝文祥
• Other Authors: Bao-Shi Shiao
• Format: Others
• Language: zh-TW
• Published: 1995
• Online Access: http://ndltd.ncl.edu.tw/handle/78387400469277001636

碩士 === 國立海洋大學 === 河海工程學系 === 83 === The present study is to investigate the discharge of drilling muds and produced water from oil drilling platform.The results can be used as references for marine environment protection. The short-term diffusion of the discharge can be catalogued into three phases:jet convective descent, dynamic collapse and bottom encounter.By using the conservation laws,a set of ordinary differential governing equations are derived.The set of govering equations incorporating with proper initial conditions are solved by the Forth order Runge-Kutta Method.The variations of the discharged muds of their trace centerline path and dilution rate are calculated and discussed.The calculated trace centerline path of the discharge is in good agreement with the experimental data of Davis et al.Also the discharge radius is smaller as in comparison with Teeter''s result.