measured as pl = 1.4bar, density = 2.5kg/m3 , ul 920KJ/kg while at exit the properties are p2 = 5 bar, density 5 kg/m3, u2 720kJ/kg. The velocity at entrance is 200 m/sec, while at exit it 180m/sec. It rejects 60kw of heat and rises through 60m during the flow. Find the change of enthaly and the rate of work done. B- A 500 MW thermal power plant has an overall efficiency of 35 % consumped natural gas fu (heating value=40 MJ/kg).Calculate the saving in fuel when the fuel type change to gasoil (heatit value=48 MJ/kg) in kg/hr. Q2 A perfect gas is contained in a rigid vessel at 3 bar and 315°C is heated at constant volume to pressure of 5 bar ,and then expanded isothermally until the pressure falls to 1.5 bar; the gas has

measured as pl = 1.4bar, density = 2.5kg/m3 , ul 920KJ/kg while at exit the properties are p2 = 5 bar, density 5 kg/m3, u2 720kJ/kg. The velocity at entrance is 200 m/sec, while at exit it 180m/sec. It rejects 60kw of heat and rises through 60m during the flow. Find the change of enthaly and the rate of work done. B- A 500 MW thermal power plant has an overall efficiency of 35 % consumped natural gas fu (heating value=40 MJ/kg).Calculate the saving in fuel when the fuel type change to gasoil (heatit value=48 MJ/kg) in kg/hr. Q2 A perfect gas is contained in a rigid vessel at 3 bar and 315°C is heated at constant volume to pressure of 5 bar ,and then expanded isothermally until the pressure falls to 1.5 bar; the gas has

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter12: Fluid Dynamics And Its Biological And Medical Applications

Section: Chapter Questions

Problem 34PE: Fluid originally flows through a tube at a rate of 100 cm3/s. To illustrate the sensitivity of flow...

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