What are the force and total time required? A force of lbf now accelerates this system. What is the acceleration? The force must accelerate both the container and the oxygen mass.
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At this state the piston is 0. How much is this distance and the temperature if the water is cooled to occupy half the original volume?
Solution: State 1: B 1. The valve is now opened and the two come to a uniform state. Find the final specific volume. Solution: Control volume: both tanks. Constant total volume and mass process. A B sup. Estimate the percent error in the mass determination if the ideal gas model is used. Solution: Methane Table B. Linear interpolation between and K. To what pressure should it be expanded? Sonntag, Borgnakke and van Wylen 3.
How much is this distance and the temperature if the water is heated to occupy twice the original volume? Solution: From B. What if the properties of saturated liquid at 20 MPa were used? Solution: State 1: T, P compressed liquid seen in B.
The state is at so high P, T that the saturated liquid line is not extremely steep. Find the new pressure, and quality if saturated, if the volume doubles.
Repeat the question for the case the volume is reduced to half the original volume. Solution: 1: T, x B. How long time will it take before the methane becomes single phase and what is the pressure then? Solution: Use Table B. What is the mass fraction of solid at this temperature? It is used in an experiment, where it should pass through the critical point when the system is heated.
What should the initial mass fraction of liquid be? The tank is now slowly heated. Will the liquid level inside eventually rise to the top or drop to the bottom of the tank? What if the initial mass is 1 kg instead of 6 kg?
Fundamentos Da Termodinâmica Van Wylen.pdf
Fundamentos Da Termodinâmica - Van Wylen, 8 ed