Fundamentals Of Engineering Thermodynamics
9th Edition
ISBN: 9781119391388
Author: MORAN, Michael J., SHAPIRO, Howard N., Boettner, Daisie D., Bailey, Margaret B.
Publisher: Wiley,
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Chapter 2, Problem 2.11E
To determine
The significance of using d in the left side of the differential form of the closed system energy balance, instead of
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Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where
im =0.8 kg/s and T6 = 30°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be
neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas.
Air
P1 = 1 bar
T = 300 K
P4= 9 bar
T4 = 800 K4
"cvA
Compressor A
Compressor B
P2= 3 bar +2
T2= 600 K
3+ P3= P2
T3= 450 K
www
-Heat exchanger
T6, P6= P5
Water
Ts= 20°C
Ps = 1 bar
Determine:
(a) the total power for both compressors, in kW.
(b) the mass flow rate of the water, in kg/s.
5. A system consists of N simple harmonic oscillators (one dimension). In the classical
P mw²x²
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2
limit, the energy of a simple harmonic oscillator is
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Chapter 2 Solutions
Fundamentals Of Engineering Thermodynamics
Ch. 2 - Prob. 2.1ECh. 2 - Prob. 2.2ECh. 2 - Prob. 2.3ECh. 2 - Prob. 2.4ECh. 2 - Prob. 2.5ECh. 2 - Prob. 2.6ECh. 2 - Prob. 2.7ECh. 2 - Prob. 2.8ECh. 2 - Prob. 2.9ECh. 2 - Prob. 2.10E
Ch. 2 - Prob. 2.11ECh. 2 - Prob. 2.12ECh. 2 - Prob. 2.13ECh. 2 - Prob. 2.14ECh. 2 - Prob. 2.15ECh. 2 - Prob. 2.16ECh. 2 - Prob. 2.17ECh. 2 - Prob. 2.1CUCh. 2 - Prob. 2.2CUCh. 2 - Prob. 2.3CUCh. 2 - Prob. 2.4CUCh. 2 - Prob. 2.5CUCh. 2 - Prob. 2.6CUCh. 2 - Prob. 2.7CUCh. 2 - Prob. 2.8CUCh. 2 - Prob. 2.9CUCh. 2 - Prob. 2.10CUCh. 2 - Prob. 2.11CUCh. 2 - Prob. 2.12CUCh. 2 - Prob. 2.13CUCh. 2 - Prob. 2.14CUCh. 2 - Prob. 2.15CUCh. 2 - Prob. 2.16CUCh. 2 - Prob. 2.17CUCh. 2 - Prob. 2.18CUCh. 2 - Prob. 2.19CUCh. 2 - Prob. 2.20CUCh. 2 - Prob. 2.21CUCh. 2 - Prob. 2.22CUCh. 2 - Prob. 2.23CUCh. 2 - Prob. 2.24CUCh. 2 - Prob. 2.25CUCh. 2 - Prob. 2.26CUCh. 2 - Prob. 2.27CUCh. 2 - Prob. 2.28CUCh. 2 - Prob. 2.29CUCh. 2 - Prob. 2.30CUCh. 2 - Prob. 2.31CUCh. 2 - Prob. 2.32CUCh. 2 - Prob. 2.33CUCh. 2 - Prob. 2.34CUCh. 2 - Prob. 2.35CUCh. 2 - Prob. 2.36CUCh. 2 - Prob. 2.37CUCh. 2 - Prob. 2.38CUCh. 2 - Prob. 2.39CUCh. 2 - Prob. 2.40CUCh. 2 - Prob. 2.41CUCh. 2 - Prob. 2.42CUCh. 2 - Prob. 2.43CUCh. 2 - Prob. 2.44CUCh. 2 - Prob. 2.45CUCh. 2 - Prob. 2.46CUCh. 2 - Prob. 2.47CUCh. 2 - Prob. 2.48CUCh. 2 - Prob. 2.49CUCh. 2 - Prob. 2.50CUCh. 2 - Prob. 2.51CUCh. 2 - Prob. 2.52CUCh. 2 - Prob. 2.53CUCh. 2 - Prob. 2.54CUCh. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10PCh. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32PCh. 2 - Prob. 2.33PCh. 2 - Prob. 2.34PCh. 2 - Prob. 2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - Prob. 2.40PCh. 2 - Prob. 2.41PCh. 2 - Prob. 2.42PCh. 2 - Prob. 2.43PCh. 2 - Prob. 2.44PCh. 2 - Prob. 2.45PCh. 2 - Prob. 2.46PCh. 2 - Prob. 2.47PCh. 2 - Prob. 2.48PCh. 2 - Prob. 2.49PCh. 2 - Prob. 2.50PCh. 2 - Prob. 2.51PCh. 2 - Prob. 2.52PCh. 2 - Prob. 2.53PCh. 2 - Prob. 2.54PCh. 2 - Prob. 2.55PCh. 2 - Prob. 2.56PCh. 2 - Prob. 2.57PCh. 2 - Prob. 2.58PCh. 2 - Prob. 2.59PCh. 2 - Prob. 2.60PCh. 2 - Prob. 2.62PCh. 2 - Prob. 2.63PCh. 2 - Prob. 2.64PCh. 2 - Prob. 2.65PCh. 2 - Prob. 2.66PCh. 2 - Prob. 2.67PCh. 2 - Prob. 2.68PCh. 2 - Prob. 2.69PCh. 2 - Prob. 2.70PCh. 2 - Prob. 2.71P
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- Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where m, 0.6 kg/s and To = 30°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. 1 Air P₁ = 1 bar T₁ = 300 K m Compressor A P2=3 bar -2 T₂=600 K Determine: WEVA ܒܝ www wwww +6 T6, P6-Ps P₁ = 9 bar T₁=800 K Compressor B 3- P3 P2 T₁=450 K Heat exchanger 5+ 4 Water T5= 20°C Ps= 1 bar (a) the total power for both compressors, in kW. (b) the mass flow rate of the water, in kg/s. WevB =arrow_forward3arrow_forwardWhen U=f(T,v) for an ideal gas if B=1.4 E-5 /K, and if partial derivative of internal energy with respect to volume at constant temperature 6.16 J/m3 with V=5 m3 then the pressure * :is 1.161 E 5 Pa O 6.73 E 6 Pa 7.221 E 4 Pa 3.14 E 5 Pa Oarrow_forward
- Identify whether the given property is a state or path function: Work Heat Volume Pressure Temperaturearrow_forwardWhich cyclical process represented by the two closed loops, ABCFA and ABDEA, on the PVsize 12{ ital "PV"} {} diagram in the figure below produces the greatest net work? Is that process also the one with the smallest work input required to return it to point A? Explain your responses.arrow_forward4arrow_forward
- In Maxwell's relation, -(@S/OP)T =, (OP/OT)v -(OP/OS)v O (OV/aT)P O (@V/aS)p The ratio of actual useful work to the maximum useful work is known as O Effectiveness Reversible work Unavailable work O Irreversibility For the petrol engines, the value of compression ratio varies from 14:1 to 22:1 Select one: O True O Falsearrow_forward7arrow_forwardDerive the seven general property equation of the following thermodynamics processes: a. POLYTROPIC PROCESSarrow_forward
- Please show the complete solution.arrow_forward30 6 m 6 m - 2 m a has a mass of 1.2 kg, spring is initially stretched by 2 m, k=9.1N/m, velocity at A is zero and Velocity at B is 8.6 m/s. what should be the force F during the motion.arrow_forwardSeparate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where mų = 0.8 kg/s and Ts = 30°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Air Pi=1 bar 1+ Tj= 300 K P4= 9 bar T = 800 K Weva WevB Compressor A Compressor B P2= 3 bar +2 T= 600 K 3+ P3= P2 T3 = 450 K -9- 5- -Heat exchanger T6, P6= P5 Water T3 = 20°C Ps= 1 bar Determine: (a) the total power for both compressors, in kW. (b) the mass flow rate of the water, in kg/s.arrow_forward
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