發(fā)動機工作過程計算-在線瀏覽
2024-09-01 02:48本頁面
【正文】 = * d ^ 2 * S / 4 * 10 ^ 6 = vh 39。調用自定義函數(shù)就以10為底的對數(shù) = Tr 39。10為ΔTn,選取 φ = δ = k = 39。Pa = P0 * (1 n ^ 2 / 2**k*p0 / φ ^ 2 * ((ε δ) / (ε 1)) ^ 2) ^ k / (k 1) pa = Int(10 ^ 4 * (p0 * (1 ((10 * n ^ 2 / 520 / 10 ^ 6) / ^ 2 / ^ 2) * (ε δ) ^ 2 / (ε 1) ^ 2) ^ (k / (k 1)))) / 10 ^ 4 = pa t0 = γ = Int(10 ^ 4 * (t0 + ΔT) * pr / Tr / (ε * pa pr)) / 10 ^ 4 39。充氣效率 = ηv 39。燃燒過程： gc = Val() gh = Val() go = Val() gs = Val() l0 = 1 / * (gc / 12 + gh / 4 go / 32) 39。汽油機新鮮充量 ElseIf jx = 2 Then m1 = α * l0 End If If α 1 Then 39。理論分子變更系數(shù) μ = (μ0 + γ) / (1 + γ) 39?；瘜W損失 End If 39。加熱工質的熱量 cv1 = + * 10 ^ 3 * (tc + t0) / 2 Select Case α Case To 1 If jx = 1 Then aa = ( + * α) * 10 ^ 4 * μ bb = ( + * α) * μ cc = (q1 / m1 / (1 + γ) + cv1 * tc) tz = (bb + (bb ^ 2 4 * aa * cc) ^ ) / 2 / aa / = tz λ = μ * tz / tc = λ pz = λ * pc = pz ElseIf jx = 2 Then λ = aa = μ * ( + * α) * 10 ^ 4 bb = ( + * α) * μ cc = (ζ * hu / m1 / (1 + γ) + (cv1 + * λ) * tc) tz = (bb + (bb ^ 2 4 * aa * cc) ^ ) / 2 / aa / = tz
環(huán)評公示相關推薦
鄂ICP備17016276號-1