發(fā)動機工作過程計算-資料下載頁
2025-07-22 02:48本頁面
【正文】 c = ρ End If End Select 39。膨脹過程： n2 = + * nh / n = n2 39。δ = ε / ρ 39。 = δ pb = pz / ε ^ n2 = pb tb = tz / ε ^ (n2 1) = tb 39。發(fā)動機性能分析 ρ = 1 = ρ δ = 0 = δ Pii = pc * (λ * (1 1 / ε ^ (n2 1)) / (n2 1) (1 1 / ε ^ (n1 1)) / (n1 1)) / (ε 1) 39。Pii = pa * ε ^ n1 * (λ * (ρ 1) + λ * ρ / (n2 1) * (1 1 / δ ^ (n2 1)) (1 1 / ε ^ (n1 1) / (n1 1))) / (ε 1) φi = pi = φi * Pii = pi ηi = * m1 * t0 * pi / hu / p0 / ηv = ηi gi = * 10 ^ 6 / hu / ηi = gi pm = * (1 + n / 1000) ηm = 1 pm / pi = ηm ηe = ηi * ηm = ηe pe = pi * ηm = pe ge = * 10 ^ 6 / hu / ηe = ge i = ne = 10 * i * vh * pe * n / 1200 = neEnd SubPrivate Sub Command3_Click() MsgBox (確定退出？) EndEnd SubPrivate Sub Command4_Click() End SubStatic Function Log10(X) Log10 = Log(X) / Log(10) 39。求以10為底的對數(shù)用的函數(shù)End FunctionPrivate Sub Form_Load() = True = TrueEnd SubPrivate Sub Option1_Click() jx = 1End SubPrivate Sub Option2_Click() jx = 2End SubPrivate Sub Option3_Click() zy = 2 = True = TrueEnd SubPrivate Sub Option4_Click() zy = 1 = False = FalseEnd Sub運行示例如下： 當選擇是汽油機且非增壓時，如圖：運算結果如下：此時的示功圖如下： 當選擇是柴油機且非增壓時，如圖：運算結果如下：此時的示功圖如下： 當選擇是柴油機且增壓時，如圖：運算結果如下：此時的示功圖如下： 4. 實驗總結17 第
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