怎么计算水箱容量

水箱是用于储水的大型容器。它们形状各异,有扁平圆柱体,直立圆柱体和长方体。正确计算水箱容量的方法取决于它的形状。不过要记住,结果只是估算值。这是因为在计算时,我们假设水箱是个完美、坚固的几何形状,并以此计算出它们的容量。

方法 1 的 3:

计算扁平圆柱体水箱的容量

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/b\/b2\/Work-Out-Water-Tank-Capacity-Step-1.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-1.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/b\/b2\/Work-Out-Water-Tank-Capacity-Step-1.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-1.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 测量圆柱体底部的圆形半径。圆柱体底部圆形围住的区域就是底面(B)。半径就是从圆心到周长的任意线段。只需测量从圆柱底部中心点到圆外侧的距离,即可得出半径长度。
    • 直径就是通过圆心,并且端点位于圆周的任意线段。所有圆形的直径都是半径的两倍。所以,你也可以通过测量圆柱底部圆形的直径,再将其除以二,以此来计算出圆形的半径。
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/0\/05\/Work-Out-Water-Tank-Capacity-Step-2.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-2.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/0\/05\/Work-Out-Water-Tank-Capacity-Step-2.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-2.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 计算圆柱体底部圆形的面积。知道底面(B)的半径后就能算出底面面积。计算时,使用公式 B = πr2,将半径数值代入r,用3.14159代入数学常数π。
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/f\/f9\/Work-Out-Water-Tank-Capacity-Step-3.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-3.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/f\/f9\/Work-Out-Water-Tank-Capacity-Step-3.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-3.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 计算水箱的总容量。现在可以用底面面积乘以水箱的高度,算出水箱的总容量。完整的计算公式是Vtank = πr2h。
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/3\/3b\/Work-Out-Water-Tank-Capacity-Step-4.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-4.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/3\/3b\/Work-Out-Water-Tank-Capacity-Step-4.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-4.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 确定一个扇形和线段。想象把一个圆像披萨一样切成片,切出来的每一片就是一个扇形。假设一根弦(连接曲线上两点的线段)穿过扇形,会将扇形分为两个部分:一个三角形和一条线段。这个部分很重要,因为要计算圆柱体的填充容量,需要计算这个部分的面积(用扇形面积减去三角形的面积得出)并乘以圆柱体的高。
  5. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/2\/2b\/Work-Out-Water-Tank-Capacity-Step-5.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-5.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/2\/2b\/Work-Out-Water-Tank-Capacity-Step-5.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-5.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 5 确定扇形的面积。扇形是整个圆形的一部分。计算扇形面积可以使用上面提到的计算公式。
  6. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/4\/45\/Work-Out-Water-Tank-Capacity-Step-6.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-6.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/4\/45\/Work-Out-Water-Tank-Capacity-Step-6.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-6.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 6 求出三角形的面积。求出由穿过扇形的弦构成的三角形的面积。使用上面的公式来计算。
  7. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/6\/65\/Work-Out-Water-Tank-Capacity-Step-7.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-7.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/6\/65\/Work-Out-Water-Tank-Capacity-Step-7.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-7.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 7 用扇形面积减去三角形面积。现在已经求出了扇形面积和三角形面积,两者相减就能求出这部分的面积D。
  8. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/9\/97\/Work-Out-Water-Tank-Capacity-Step-8.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-8.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/9\/97\/Work-Out-Water-Tank-Capacity-Step-8.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-8.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 8 用这部分的面积乘以圆柱体的高。用这部分的面积乘以高即可得出水箱的填充容量。相关计算公式见上。
  9. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/ce\/Work-Out-Water-Tank-Capacity-Step-9.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-9.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/ce\/Work-Out-Water-Tank-Capacity-Step-9.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-9.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 9 确定填充高度。最后一步是确定高度d是否大于或是小于半径r。
    • 如果高度小于半径,就用填充高度V计算出的容量。
    • 如果高度大于半径,就用水箱总容量减去空余部分的容量,得出填充容量。
方法 2 的 3:

计算直立圆柱体水箱容量

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/d\/dc\/Work-Out-Water-Tank-Capacity-Step-10.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-10.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/d\/dc\/Work-Out-Water-Tank-Capacity-Step-10.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-10.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 测量圆柱体底部的圆形半径。圆柱体底部圆形围住的区域就是底面(B)。半径就是从圆心到周长的任意线段。只用测量从圆柱底部中心点到圆外侧的距离,就能得出半径长度。
    • 直径就是通过圆心,并且端点位于圆周的任意线段。所有圆形的直径都是半径的两倍。所以,你也可以通过测量圆柱底部圆形的直径,再将其除以二,以此来算出圆形的半径。
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/a\/a1\/Work-Out-Water-Tank-Capacity-Step-11.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-11.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/a\/a1\/Work-Out-Water-Tank-Capacity-Step-11.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-11.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 计算圆柱体底部圆形的面积。知道底面(B)的半径后就可以算出底面面积了。计算时,使用公式 B = πr2,将半径数值代入r,用3.14159代入数学常数π。
  3. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/f\/f9\/Work-Out-Water-Tank-Capacity-Step-12.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-12.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/f\/f9\/Work-Out-Water-Tank-Capacity-Step-12.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-12.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 3 计算水箱的总容量。现在可以用底面面积乘以水箱的高度计算出水箱的总容量。完整的计算公式是Vtank = πr2h。
  4. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/c\/cf\/Work-Out-Water-Tank-Capacity-Step-13.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-13.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/c\/cf\/Work-Out-Water-Tank-Capacity-Step-13.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-13.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 4 确定填充容量。填充容量就是一个更短的圆柱体,半径相同但高度不同,即填充高度d。因此: 𝑉 = π𝑟2h.
方法 3 的 3:

计算长方体水箱容量

  1. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/a\/a7\/Work-Out-Water-Tank-Capacity-Step-14.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-14.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/a\/a7\/Work-Out-Water-Tank-Capacity-Step-14.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-14.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 1 求出水箱的容量。计算长方体水箱的容量,要用长(l)乘以宽(w)乘以高(h)。宽度是从一边到另一边的水平距离。长度是最长的那条边,高度是从顶边到底边的垂直距离。
  2. {"smallUrl":"https:\/\/www.zenmeban.com\/images_en\/thumb\/5\/59\/Work-Out-Water-Tank-Capacity-Step-15.jpg\/v4-460px-Work-Out-Water-Tank-Capacity-Step-15.jpg","bigUrl":"https:\/\/www.zenmeban.com\/images\/thumb\/5\/59\/Work-Out-Water-Tank-Capacity-Step-15.jpg\/v4-728px-Work-Out-Water-Tank-Capacity-Step-15.jpg","smallWidth":460,"smallHeight":325,"bigWidth":728,"bigHeight":514,"licensing":"<div class=\"mw-parser-output\"><\/div>"} 2 计算填充容量。长方体水箱的填充容量就是长度和宽度相同,但高度更短。这个新的高度就是填充高度d。因此,填充容量等于长乘以宽乘以填充高度。

小提示

  • 假设你有半径、长度和高度等数据,可以用在线计算器计算体积容量。
  • 记住,这些计算结果只是估算。公式假设的是完美的几何形状,但水箱并不会那么规整。

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