2013-3-6 Area Interpretations for Work and Heat Transfer 周 8 Observe that these expressions give work and heat transfer per unit of mass contained within the closed system. Area Interpretations for Work and Heat Transfer One-inlet,one exit control volumes at steady state are used to model gas turbine power plants.For these applications,the following area interpretations apply for internally reversible processes: D 周.吨 T Observe that these expressions give work and heat pe unit of wing through the contro volume. 6
2013-3-6 6 Area Interpretations for Work and Heat Transfer ∫ ⎟ = ⎠ ⎞ ⎜ ⎝ ⎛ pdv m W rev int ►Observe that these expressions give work and heat transfer per unit of mass contained within the closed system. ∫ ⎟ = ⎠ ⎞ ⎜ ⎝ ⎛ Tds m Q rev int p v T s ►One-inlet, one exit control volumes at steady state are used to model gas turbine power plants. For these applications, the following area interpretations apply for internally reversible processes: Area Interpretations for Work and Heat Transfer T s p v ►Observe that these expressions give work and heat transfer per unit of mass flowing through the control volume. ∫ = ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ Tds m Q rev & int & ∫ = − ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ dp m W v rev & int &
2013-3-6 Ideal Gas Model Review ntary thermodynamic analyses of reciproca ombustion engines and gas turbi model principles,as reviewed in Table 9.1. hanges 8别 ur)-ur)-c.indr 40) nr-Mr -c(nar See TablesAooaddata. Ideal Gas Model Review sn-sp n+Rn款6:切 em号-2 s-s s》-sW n2+Rh6 0)-00-R1n2620 7
2013-3-6 7 ►Elementary thermodynamic analyses of reciprocating internal combustion engines and gas turbines use ideal model principles, as reviewed in Table 9.1. Ideal Gas Model Review Ideal Gas Model Review
2013-3-6 Ideal Gas Model Review 643 (air only) 64 640 (air only) 6.45月 Considering Reciprocating Internal Combustion Engines What are reciprocating internal combustion engines? They are reciprocating engines commonly used in automobiles.trucks,and buses. How do reciprocating internal combustion engines differ from the vapor power plants considered in Processes occur within reciprocating piston- 8
2013-3-6 8 Ideal Gas Model Review Considering Reciprocating Internal Combustion Engines ►What are reciprocating internal combustion engines? ►They are reciprocating engines commonly used in automobiles, trucks, and buses. ►How do reciprocating internal combustion engines differ from the vapor power plants considered in Chapter 8 and the gas turbines considered in later sections of Chapter 9? ►Processes occur within reciprocating pistoncylinder arrangements rather than by mass flowing through a series of interconnected components