FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119634928
Author: Borgnakke
Publisher: WILEY
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H.w: nitrogen gas flows into a convergent nozzle at 200 kpa,400 K and very low velocity .it
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- Solve it correctly please. I will rate. Answer should be matcharrow_forwardA complex flow system expands helium from 1500 K, 1000 kPa to 500 K, 100 kPa. In the process this produces 4595 kJ/kg of work. The process exchanges heat with a reservoir at TR. If the process is reversible, find the unknown reservoir temperature (K). You can work this with either Thermofluids or the equations... Your choice. If equations, Cp=5.19 kJ/kg-K, Cv=3.12 kJ/kg-K, R=2.08 kJ/kg-K. Helium 1500 K 1000 kPa TR q 500 K 100 kPa W=4595 kJ/kgarrow_forwardSteam flows isentropically through a nozzle from 1517Kpa, 288degC and 965kPa. Mass is 454g/s Find: 9. Final Temperature 10. Work (identify if steady or non-flow work)arrow_forward
- 3. An adiabatic compressor takes argon from 100 kPa, 300 K to 2000 kPa. The compressor efficiency is 80%. (a) Find the outlet temperature (K) and the work (kJ/kg) (b) Find the entropy generation (kJ/kg-K)arrow_forwardPlease solve the problem in a handwritten format, Don't use chatgpt. Thanksarrow_forwardFor a system entropy is constant if initialvolume & Pressure of a gas is 10m^3 ,7 barrespectively. Final volume is 5m^3 then find the final pressure.arrow_forward
- occuring when a process with air, the entropy goes up by 0.60 kJ/kg·K. 11 is the pressure compression ratio. 300K is the initial temperature. What is the final temperature if it is a constant specific heat and if it is a variable specific heat? When Rair = 0.287 and cp = 1.005 kJ/kg·K.arrow_forwardSketch and label the nozzle. Sketch and label the process on a P-v diagram, also mention all numbers on the process of P-V diagram please. 7.15 The exit nozzle in a jet engine receives air at 1200 K, 150 kPa with negligible kinetic energy. The exit pressure is 80 kPa, and the process is reversible and adiabatic. Use constant specific heat at 300 K to find the exit velocity.arrow_forward7. If 10 kg/min of air are compressed isothermally from = 96 kPa and V, = 7.65 m/min to p, = 620 kPa, find the work, the change of entropy and the heat for (a) nonflow process and b) a steady flow process with v, = 15 m/s and v, = 60 m/s. Ans. (a)-1370KJ/min,-5.356 kJ/K.min; (b)-1386.9kJ, %3D minarrow_forward
- Please be very detailedarrow_forwardone kg of air is compressed in a cylinder according to the law PV^1.3= constant. If intital temperature is 100°C amd compression ratio is 15, find the work done and change in entropy of air.arrow_forwardDuring a process with air, the entropy increases by 0.55 kJ/(kg·K). The pressure compression ratio is 10 and the initial temperature is 300K. Find the final temperature assuming a) constant heat capacities and b) variable heat capacities? (Rair = 0.287 and cp = 1.005 kJ/kg·K)arrow_forward
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What is entropy? - Jeff Phillips; Author: TED-Ed;https://www.youtube.com/watch?v=YM-uykVfq_E;License: Standard youtube license