Studium Maschinenbau - Thermodynamik, Zustandsänderung, allgemeingültige Formeln

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allgemeingültige Formeln (Formelsammlung)

p·V = m·R_i·T

R_i = c_p - c_v

κ = c_p/c_v

c_v = R_i/(κ - 1)

R_i = R_m/M

s₂ - s₁ = m·c_v·ln(T₂/T₁) + m·R_i·ln(V₂/V₁)
s₂ - s₁ = m·c_p·ln(T₂/T₁) - m·R_i·ln(p₂/p₁)

Werte für Luft:

R_i = 287,1 J/(kg·K)
κ = 1,4

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