package com.moral.util;
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public class EmissionDataUtil {
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//计算污染源强度（参数：c：设备点测到是数据，x：源点到【设备点与风向垂线交点】的距离，y：设备点到【设备点与风向垂线交点】的距离，u：风速）
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public static Double getPollutionSourceIntensity(Double c, Double x, Double y, Double u){
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double e = 2.718281828;
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double r1 = 0.281846;
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double r2 = 0.127190;
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double x1 = 0.914370;
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double x2 = 0.964435;
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double π = Math.PI;
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double diffusionCoefficient_y = r1*Math.pow(x,x1);//扩散系数y
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double diffusionCoefficient_z = r2*Math.pow(x,x2);//扩散系数z
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double molecule = c*2*π*u*diffusionCoefficient_y*diffusionCoefficient_z;
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double power = -1/2*(Math.pow(y,2)/Math.pow(diffusionCoefficient_y,2));
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double denominator = Math.pow(e,power);
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double pollutionSourceIntensity = molecule/denominator;
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return pollutionSourceIntensity;
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}
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public static void main(String[] args) {
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double result = EmissionDataUtil.getPollutionSourceIntensity(100.0,10.0,5.0,3.0);
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System.out.println(result);
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}
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}
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