Starting with the compulsive carrying capability of current and according to the anti-erosive flow velocities of different geological riverbeds and overflow surfaces, the corresponding sc.

Effect of impervious surface on stormwater runoff pollution in urban tourist attractions;

Removal of rural land cover types such as soil,water,and vegetation and their replacement with common urban impervious surface materials such as asphalt,concrete,and metal have significant environmental implications.

As a major component of the Ridd s vegetation-impervious surface-soil(V-I-S) model,urban impervious surface is important in monitoring urban expansion and understanding impacts from human activities on the environment.

Based on the σ-coordinate transformation to fit the complicated boundary,the VOF to track the moving free surface and the SIMPLE algorithm,this paper proposes a vertical 2D unsteady flow and suspended material distribution model.

The flow field with free surface around two different configurations of a trimaran at several Froude numbers was simulated.

The free surface of the flow can be obtained from the discrete solution of the free surface flow equation.

Preparation of hydrophilic nish with di erent curing systems for aluminum heat scattering sheet of conditioner;