In the earlier stage of dispersion process,the rate of dispersion associated with earlier discharge is relatively large because the memory term extends further back in time.In or- der to investigate the early properti...In the earlier stage of dispersion process,the rate of dispersion associated with earlier discharge is relatively large because the memory term extends further back in time.In or- der to investigate the early properties of two-dimensional dispersion,we propose the delay-diffu- sion equation as follows: (?)integral from o to ∞(?) (x-integral from n=1 to τ (?),y-integral from n=1 to τ (?),t-τ)dτ=(?) which is based on the equation derived by Smith (1981).The D_(xz),D_(yz),D_(zy),D_(yy) and (?),(?) had been obtained.展开更多
基金The project is supported by National Natural Science Fundation of Chaina.
文摘In the earlier stage of dispersion process,the rate of dispersion associated with earlier discharge is relatively large because the memory term extends further back in time.In or- der to investigate the early properties of two-dimensional dispersion,we propose the delay-diffu- sion equation as follows: (?)integral from o to ∞(?) (x-integral from n=1 to τ (?),y-integral from n=1 to τ (?),t-τ)dτ=(?) which is based on the equation derived by Smith (1981).The D_(xz),D_(yz),D_(zy),D_(yy) and (?),(?) had been obtained.