A three-dimensional numerical model was developed to simulate reaerationusing a body-fitted coordinate system. The model was designed to calculate the velocity and oxygenconcentration separately, called, 'no pairi...A three-dimensional numerical model was developed to simulate reaerationusing a body-fitted coordinate system. The model was designed to calculate the velocity and oxygenconcentration separately, called, 'no pairing resolution'. The velocity was calculated by SIMPLECalgorithm in the body-fitted coordinate system. The considerably proposed model was checked by areaeration experiment couducted in an open channel. The computed results agree considerably wellwith the experimental data. The model was also used to predict the reaeration in an S-shapedchannel, and the numerical results are discussed.展开更多
文摘A three-dimensional numerical model was developed to simulate reaerationusing a body-fitted coordinate system. The model was designed to calculate the velocity and oxygenconcentration separately, called, 'no pairing resolution'. The velocity was calculated by SIMPLECalgorithm in the body-fitted coordinate system. The considerably proposed model was checked by areaeration experiment couducted in an open channel. The computed results agree considerably wellwith the experimental data. The model was also used to predict the reaeration in an S-shapedchannel, and the numerical results are discussed.