Determination of Storage Coefficients During Pumping and Recovery

Javad Ashjari

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Determination of Storage Coefficients During Pumping and Recovery

机译：抽水和回收过程中储存系数的确定

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An aquifer test is used mostly to determine the storage coefficient and transmissivity. Although residual drawdown data are widely used in estimating the transmissivity of aquifers, the estimation of storage coefficients with recovery data is controversial. Some researchers have proposed methods to estimate storage coefficients with recovery data by assuming equality of storage coefficients for the recovery and pumping periods (S = S'). The aim of this study is to determine storage coefficients without such an assumption, that is, S ≠ S'. The method is a modified version of Banton-Bangoy's method without considering drawdown data due to pumping. Drawdown is plotted vs. the logarithmic ratio (t'/t) or time since pumping stopped to the duration of pumping and the ratio of storage coefficient during recovery to the storage coefficient from the pumping period (S'/S). The method is verified with one case study and two synthetic examples. Thus, it is possible to determine storage coefficient of pumping period accurately without any data from pumping period by recovery data.

机译：含水层测试主要用于确定储能系数和透射率。尽管剩余的回落数据被广泛用于估算含水层的透射率，但利用恢复数据估算储水系数仍存在争议。一些研究人员提出了通过假定恢复期和抽水期的存储系数相等（S = S'）来估算具有恢复数据的存储系数的方法。本研究的目的是在没有这种假设的情况下确定存储系数，即S≠S'。该方法是Banton-Bangoy方法的改进版本，不考虑由于抽水而产生的压降数据。绘制了相对于对数比（t'/ t）或从抽水到抽水持续时间的对数比（t'/ t），以及在抽水期间恢复期间的储水系数与从抽水周期开始的储水系数的比率（S'/ S）。通过一个案例研究和两个综合实例验证了该方法。因此，有可能准确地确定泵送周期的存储系数，而无需通过恢复数据从泵送周期获得任何数据。

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《Ground water》 |2013年第1期|122-127|共6页
作者
Javad Ashjari;
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Department of Geology, Faculty of Science, University of Tehran, Tehran, Iran;

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1. Discussion on ????????Starting methods for generator/motor units employed in pumped-storage stations???????? and ????????Investigation into damping-torque coefficients and stability of a 2-synchronous-machine system employed in synchronous starting???????? [J] . Electrical Engineers, Proceedings of the Institution of . 1971,第10期

机译：讨论抽水蓄能电站所用发电机/电动机的启动方法在同步起动中使用的2-同步电机系统的阻尼转矩系数和稳定性的研究。
2. Erratum: Discussion on `Starting methods for generator/motor units employed in pumped storage stations???????? and `Investigation into damping-torque coefficients and stability of a 2-synchronous-machine system employed in synchronous starting???????? [J] . Hammons T.L., Loughran J. Electrical Engineers, Proceedings of the Institution of . 1971,第12期

机译：勘误：关于“抽水蓄能电站中发电机/电动机的启动方法”的讨论以及“在同步起动中使用的2-同步电机系统的阻尼转矩系数和稳定性的研究”。
3. Determination of electron-impact transfer rate coefficients between argon 1s_2 and 1s_3 states by laser pump-probe technique [J] . Carbone E.A.D., Hübner S., Van Der Mullen J.J.A.M., Journal of Physics, D. Applied Physics: A Europhysics Journal . 2013,第41期

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4. Use of X-ray CT-defined regions of interest for the determination of SPECT recovery coefficients [C] . Tang, H.R., Brown, . 1996

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5. THE EFFECTS OF THE LUDINGTON PUMPED STORAGE POWER PROJECT ON FISH PASSAGE THROUGH PUMP-TURBINES AND ON FISH BEHAVIORAL PATTERNS: PART I. AN EVALUATION OF MORTALITY INCURRED BY FISH PASSING THROUGH PUMP-TURBINES AT THE LUDINGTON PUMPED STORAGE POWER PLANT, PART II. MOVEMENT PATTERNS AND ORIENTATION OF FISHES IN THE LUDINGTON PUMPED STORAGE RESERVOIR AS REVEALED BY TRACKING STUDIES. [D] . SERCHUK, FREDRIC MICHAEL. 1976

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7. On the determination of transmissibility and storage coefficients from pumping test data [O] . Ven Ten Chow 1952

机译：泵送测试数据的传导性和储存系数的确定

Determination of Storage Coefficients During Pumping and Recovery

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