【无标题】

# include<iostream>
# include<cmath>
using namespace std;
int  main()
{
 double d1, d2,d3,d4,d5,d6,d7,d8;
 double d;
 double t1,t2,t3,t4,t5;
 double t;
 double value;
 double v;
 double biaozhun;
 double wucha;
 double Re;
 double value1;
 cout<<"输入小球8组直径："<<endl;
 cin>>d1>>d2>>d3>>d4>>d5>>d6>>d7>>d8;
 d=(d1+d2+d3+d4+d5+d6+d7+d8)/8000;
 cout<<"输出小球直径平均值："<<d*1000<<"mm"<<endl;

 double p=7.8e3,p0=0.95e3,g=9.8,L=0.2,D=0.02;
 
 cout<<"输入第一组温度测量时间"<<endl;
 while(1)
 {
  
  cin>>t1>>t2>>t3>>t4>>t5;
  t=(t1+t2+t3+t4+t5)/5;
  cout<<"输出所需时间平均值为："<<t<<'s'<<endl;
  v=0.2/t;
  cout<<"输出速度为："<<v<<"m/s"<<endl;
  value=((p-p0)*g*d*d*t)/(18*L*(1+2.4*d/D));
  cout<<"该温度下粘滞系数为"<<value<<endl;
  cout<<"此温度下粘度标准值：";
  cin>>biaozhun;
  wucha=fabs(value-biaozhun)/biaozhun;
  cout<<"相对误差为："<<wucha*100<<'%'<<endl;
  cout<<endl<<endl;
  cout<<"输入下一组温度测量时间:"<<endl;
  Re=((v*d*p0)/value);
  cout<<"该温度下的雷诺系数:"<<Re<<endl; 
  value1=(value*(1/(1+3*Re/16)));
  cout<<"修正:"<<value1<<endl; 
 }
 return 0;

}