设高度为x,则液面上方圆弧所对圆心角a为
a=2*acos((2x-1.35)/1.35)
横截面面积S=(pi-a/2)*(1.35/2)^2+(x-1.35/2)^2*tan(a/2)
V=S*2.53=2
2/2.53=(pi-acos((2x-1.35)/1.35))*(1.35/2)^2+(x-1.35/2)^2*tan(acos((2x-1.35)/1.35))
解得
x=0.7305米
设高度为x,则液面上方圆弧所对圆心角a为
a=2*acos((2x-1.35)/1.35)
横截面面积S=(pi-a/2)*(1.35/2)^2+(x-1.35/2)^2*tan(a/2)
V=S*2.53=2
2/2.53=(pi-acos((2x-1.35)/1.35))*(1.35/2)^2+(x-1.35/2)^2*tan(acos((2x-1.35)/1.35))
解得
x=0.7305米