FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119634928
Author: Borgnakke
Publisher: WILEY
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of air at 300 K and 150 kPa. It's now heated in a two-
Q: A piston cylinder contains 1.5
step processes: first by a constant volume process to 1000 K second a constant pressure
process to 1500 K. find the heat transfer for this processes.
An automobile tire is inflated to 105 kPa at 30 deg. C. After being driven the temperature rises to 55 deg. C. Find the final pressure under isochoric process.
Air at 200kPa, 30°C is contained in a cylinder behind a piston with
initial volume of 0.1 m3. The inside pressure balance ambient pressure of 100
kPa plus an external imposed force that proportional to , Now heat is
transfer to the system to final pressure of 225 kPa. Find the work done for this
5-
process.
(8.65 kJ)
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- Thermodynamics problem. A 5m3 rigid container containing water of 80% quality and a pressure of 2MPa. If the pressure is reduced to 400KP a by cooling the container, find the final mass of the vapor mg and the mass of the liquid mf .arrow_forwardI need the answer as soon as possiblearrow_forwardi need the answer quicklyarrow_forward
- A rigid insulated tank is separated into two rooms by a stiff plate. Room A of 0.5 m 3 contains air at 250Kpa, 300 K and room B is 1 m 3 has air at 200 Kpa, 1000 K. the plate is removed and the air comes to auniform state without any heat transferred. find the final temp and pressure of the room.arrow_forwardQ2) A piston/cylinder has ammonia at 1600 kPa, 100°C with a volume of 0.1 m3. The piston is loaded with a linear spring and outside ambient is at 20 °C. The ammonia now cools down to 10 °C at which point it has a quality of 10%. Find the work, the heat transfer and the total entropy generation in the process. NH₂arrow_forwardPlease help..arrow_forward
- A factory generates compressed air from 100 kPa, 17°C by compression to 800 kPa, 500 K, after which it cools in a constant pressure cooler to 300 K, (see Fig. P4.36). Find the specific compressor work and the specific heat transfer in the cooler. 1 2 3 Compressor -w. Compressor section Cooler sectionarrow_forwardSteam at 120 bar has a specific volume of 0.01721 m3/kg, find the temperature, enthalpy and the internal energy.arrow_forwardThe air conditioner in a house or a car has a cooler that brings atmospheric air from 30 degree Celsius to 10 degree Celsius, both state at 101 kPa. For a flow rate of 0.75 kg/s find the rate of heat transferarrow_forward
- A piston cylinder contains saturated liquid/vapor at 150 kPa, 45% quality. It's heated to the volume double. The fluid pressure is floated by 200 kPa. Calculate the final temperature and specific work? HO Subject: Thermodynamicsarrow_forwardA piston / cylinder contains 2 kg of air at 27 °C and 200 kPa. The piston is loaded with a linear spring, mass and the atmospheric pressure. Stops are mounted so that Vstop is 3m' at which the pressure is 600 kPa, see figure 2. The air is now heated to 400 kPa. Find the final volume and the work done. 2.arrow_forward3kg of Co2 expanded in a stationary piston cylinder through a polytropic process from 30 degree Celsius and 250 kpa to 100kPa pressure. If the polytropic exponent, n = 1.45, find the total work, total heat transferred, total kinetic energy change and internal energy changearrow_forward
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