管道收縮計算器
輸入數值點擊“計算”,將顯示計算結果。
`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
輸入數值點擊“計算”,將顯示計算結果。
`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