管道收缩计算器
输入数值点击“计算”,将显示计算结果。
`K=0.8×sin(θ/2)×(1-β^2)` ( θ ≤ 45° )
`K=1/2×(1-β^2)×(sin(θ/2))^[1/2]` ( 45°< θ ≤180° )
θ = Angle of Approach
β = dminor / dmajor
输入数值点击“计算”,将显示计算结果。
`K=0.8×sin(θ/2)×(1-β^2)` ( θ ≤ 45° )
`K=1/2×(1-β^2)×(sin(θ/2))^[1/2]` ( 45°< θ ≤180° )
θ = Angle of Approach
β = dminor / dmajor