جستجوی مقالات مرتبط با کلیدواژه « نشت ویژه » در نشریات گروه « آب و خاک »

Knowing the values and changes of hydrological parameters of aquifers for sustainable management and conservation of groundwater resources is very important and crucial. Among the hydrological parameters of leakage aquifer in groundwater flow are transmissibility coefficient and specific leakage. The innovation of this research is to study the effect of changes in these parameters on the steady flow of groundwater of finite and infinite leakage aquifers using the new and accurate selotions provided in this investigation. In this research, infinite and finite leakage aquifers in steady state of groundwater flow were studied and with using a new analytical method, new and exact solutions for calculating the drawdown in each of the aquifers were achieved. Also using these selotions, the sensitivity analysis of transmissibility coefficient and specific leakage of aquifers were done.

In this study with respect to the sensitivity analysis of transmissibility coefficient, storage coefficient and specific leakage of infinite and finite leakage aquifers in the unsteady flow state of groundwater, which was carried out using an analytical method, these results were obtained: 1. Withincreasing the coefficients of transmissibility, storage and specific leakage of infinite and finite leakage aquifer, the drawdownreduces. 2. In all of the examined sensitivity analysis, it was observed that the drawdown of infinite leakage aquifer is more than the finite leakage aquifer and the drawdown of finite leakage aquifer 2 is more than the finite leakage aquifer 1. 3. With increasing the transmissibility coefficient and specific leakage of infinite and finite leakage aquifer, the groundwater flow reaches earlier to steady state. 4. With increasing the storage coefficient of infinite and finite leakage aquifer, the groundwater flow reaches later to steady state. 5. Infinite leakage aquifer reaches the steady state later than the finite leakage aquifer and finite leakage aquifer 1 reaches the steady state earlier than the finite leakage aquifer 2.