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A general model for the exact computation of yield from a rainwater tank

机译:精确计算雨水箱产量的通用模型

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摘要

The models presented in the literature for the computation by simulation of yield from a rainwater tank are either incorrect or approximate at best. In this paper a general, exact, continuous time model of the operation of rainwater tanks is presented. The operation of a tank is determined by the rainfall runoff and demand distribution functions and the capacity of the tank. The runoff and demand distributions are assumed to satisfy certain reasonable conditions which are satisfied in all cases of practical interest, e.g. when the distributions are described by piecewise constant functions. The yield, spill and volume functions are characterized by equations which, by means of a constructive proof involving mathematical induction, can be shown to have unique solutions. This model can be used to compute the exact yield and spill over any period and the volume at any time during the operation of the tank. Correct discrete time simulation models are derived in the special cases of demand before rain (DBR) or demand after rain (DAR).
机译:文献中提出的用于通过模拟雨水箱的产量进行计算的模型要么是错误的,要么是最佳的近似的。本文提出了一个通用的,精确的,连续的雨水箱运行时间模型。储罐的运行取决于降雨径流和需求分配函数以及储罐的容量。假设径流和需求分配满足某些合理条件,这些条件在所有实际利益的情况下都可以满足,例如:当用分段常数函数描述分布时。产量,泄漏量和体积函数由方程式表征,这些方程式通过涉及数学归纳法的建设性证明,可以证明具有独特的解决方案。该模型可用于计算储罐运行期间任何时期的精确产量和溢出量,以及任何时间的体积。在雨前需求(DBR)或雨后需求(DAR)的特殊情况下,可以得出正确的离散时间仿真模型。

著录项

  • 来源
    《Applied Mathematical Modelling》 |2015年第7期|1929-1940|共12页
  • 作者单位

    Commonwealth Scientific and Industrial Research Organisation (CSIRO), PO Box 56, Highett, Vic. 3190, Australia;

    Commonwealth Scientific and Industrial Research Organisation (CSIRO), PO Box 56, Highett, Vic. 3190, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Rainwater tank; Simulation; Continuous time; Exact;

    机译:雨水箱;模拟;连续时间;精确;

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