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Indoor artificial rainfall-simulation testing system

A test system and artificial simulation technology, applied in soil testing, material inspection products, measuring devices, etc., can solve the problems of limited applicability, inability to truly simulate natural rainfall time and spatial changes, etc., and achieve low cost , convenient data processing, convenient installation effect

Active Publication Date: 2015-10-28
NANJING FORESTRY UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the above-mentioned problems existing in the prior art. Aiming at the present situation that the current artificial rainfall simulation device cannot truly simulate the change of natural rainfall in time and space, and the applicability is not wide, the present invention provides a device based on The indoor artificial rainfall simulation test system of the Chicago rainstorm model can be used for the time distribution of the design rainfall return period and rainfall duration through the Chicago rainstorm model according to the meteorological and rainfall characteristics of a given region. Control the rainfall intensity at each time node to restore typical rainfall scenarios indoors; at the same time, the present invention uses combined micro-sprinklers as raindrop generators, and realizes different rainfall areas by setting the combination of micro-sprinklers; in addition, The system can also record the rainfall intensity in real time, which is convenient for later data processing and analysis

Method used

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Embodiment

[0025] (1) Working principle

[0026] The reason why the indoor artificial rainfall simulation test system can realize the control of the variation of rainfall intensity in space and time lies in the following main aspects:

[0027] (1) Rainfall design

[0028] The Chicago rainfall hydrograph model designs typical rainfall processes based on statistical storm intensity formulas. In the design of my country's urban drainage network, the formula (1) is generally used for the intensity of rainstorm in various places:

[0029] i = 167 A 1 ( 1 + ClgP ) ( t d + b ) c - ...

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PUM

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Abstract

The invention discloses an indoor artificial rainfall-simulation testing system. The indoor artificial rainfall-simulation testing system is mainly composed of a water supply system, a rainfall simulator, a test chamber and a water sampling device, wherein the water supply system is mainly composed of an artificial rainwater storage water tank, a flow sensor, a submersible pump, an air-operated thin film regulating valve and a water duct; the rainfall simulator is mainly composed of a rainfall support, a micro sprinkler and a universal pipe; the testing chamber is composed of a testing chamber body, a humidity sensor, an air pressure sensor, a temperature sensor and a stainless steel drain pipe; the water sampling device is composed of a stainless steel drain pipe, a funnel-shaped liquid collector and a manual water valve. The indoor artificial rainfall-simulation testing system is used for indoor rainfall simulation, for weather and rainfall characteristics of different areas, through a Chicago rainstorm process curve model and different spray head combining forms, the control and change of rainfall intensity in time and space can be achieved, and the rainfall intensity can be recorded in real time.

Description

technical field [0001] The invention relates to an artificial simulated rainfall test system, in particular to a novel indoor artificial simulated rainfall test system, which belongs to the field of road engineering and environmental scientific research instruments and equipment. The test system provided by the present invention can be used for indoor rainfall simulation, and can realize the control and change of rainfall intensity in time and space through the Chicago rainstorm process line model and different nozzle combination forms according to the meteorological and rainfall characteristics of different regions, and can Real-time recording of rainfall intensity. technical background [0002] The indoor artificial rainfall simulation test system is a test system that simulates the natural rainfall process under artificial control conditions. It can be used for the water permeability of permeable pavement, the migration of pollutants inside the pavement structure, and the...

Claims

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Application Information

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IPC IPC(8): G01N15/06G01N33/24B05B9/04B05B12/10B05B12/12
Inventor 赵曜孙红亮王大明赵尘
Owner NANJING FORESTRY UNIV
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