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Gas-condition predicting device, method and program, and diffusion-condition predicting system

A technology for forecasting devices and conditions, which is applied to weather condition forecasting, measuring devices, forecasting, etc., can solve problems such as poor implementability, and achieve the effect of shortening processing time

Inactive Publication Date: 2007-10-17
MITSUBISHI HEAVY IND LTD
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Problems solved by technology

[0014] However, in the calculation of the above-mentioned airflow elements, a large amount of calculation time is required, so there is currently a problem of poor implementation

Method used

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  • Gas-condition predicting device, method and program, and diffusion-condition predicting system
  • Gas-condition predicting device, method and program, and diffusion-condition predicting system
  • Gas-condition predicting device, method and program, and diffusion-condition predicting system

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no. 1 approach

[0055] FIG. 1 is a block diagram showing a schematic configuration of a diffusion state prediction system according to the first embodiment of the present invention. The diffusion state prediction system according to the present embodiment is a system that predicts the gas condition of an area of ​​interest, which is a predetermined area including a point of interest such as a nuclear power plant, and predicts diffused substances emitted from the point of interest X using the predicted gas state. the state of diffusion.

[0056] This diffusion state prediction system is a so-called computer system, and has: CPU (Central Processing Unit) 1, RAM (Random Access Memory) and other main storage devices 2, ROM (Readonly Memory), HDD (Hard Disk Drive) and other auxiliary storage devices ( Storage unit) 3, input device 4 such as keyboard and mouse, output device 5 such as display and printer, communication unit 6 for communicating with external devices, and the like.

[0057] In the a...

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Abstract

A gas-condition predicting device includes an auxiliary storage device for storing each atmospheric condition in association with gas flow-field data in a target area under the atmospheric condition; a meteorological-modeling unit for calculating, using a meteorological model calculation, meteorological parameters at a plurality of evaluation points defined in an enlarged area that includes the target area and that is larger than the target area; and an extraction unit for determining atmospheric conditions in the target area from the meteorological parameters calculated by the meteorological-modeling unit and extracting from the auxiliary memory device gas flow-field data corresponding to the atmospheric conditions.

Description

technical field [0001] The invention relates to a gas condition prediction device, method, program and diffusion condition prediction system for obtaining gas conditions (wind direction, wind speed, etc.) with both space and time sparseness according to meteorological observation data with both space and time sparseness. Background technique [0002] Known in the prior art is a diffusion state prediction system that predicts the spread range and concentration of radioactive substances and predicts areas affected by radioactive substances when radioactive substances leak outside due to accidents in facilities handling nuclear substances. [0003] In this diffusion state prediction system, first, based on meteorological GPV (Grid Point Value) data, AMEDAS and other meteorological observation data, the partial differential equation for analyzing atmospheric phenomena is calculated, and when an accident occurs (for example, radioactive substances leak to the outside), During the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01W1/00G06Q10/04
CPCG01W1/10
Inventor 原智宏大场良二冈林一木米田次郎河内昭纪糠塚重裕
Owner MITSUBISHI HEAVY IND LTD
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