FUND OF ENG THERMODYN(LLF)+WILEYPLUS
9th Edition
ISBN: 9781119391777
Author: MORAN
Publisher: WILEY
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Specific heats (constant pressure and constant volume specific heats) of an ideal gas are varies linearly with temperature as given:
c(p) = a + kT and c(v) = b + kT
Within the scope of the equations given above, the ideal gas is from T1 temperature to T2 temperature. is heated.
(a) Obtain an equation in terms of the change of specific entropy within the framework of variable specific heats. [using by a, b, k, T1, T2, v1 vev2] [ v1 and v2 are the specific volume of of case1 and case2]
(b) Obtain an equation Regarding the change of specific entropy within the framework of variable specific heats in terms of [a, b, k, T1, T2, v1, v2,P1 ve P2] [P1 and P2; are the pressures of state 1 and state 2].
(c) a 15.573 kJ / kgK, b 11.6129 kJ / kgK, k =1.457*10^-3, P1 / P2 = 0.324 Specific entropy change for T1 = 300 K and T2 = 1000 K within the frame of variable specific heats. Calculate it as [kJ / kgK].
(d) Determine the v1/v2 ratio.
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