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 4, Problem 4.14E
To determine
The types of heat exchangers and working fluids are employed in the heating or cooling systems that are generally used in houses.
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Chapter 4 Solutions
Fundamentals Of Engineering Thermodynamics
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- K2 please help with my reviewer. Provide me the full solution and answer thank you SN=40arrow_forwardModern (latest) innovation in domestic refrigerators and air conditioners.arrow_forwardSeparate streams of steam and air flow through the turbine and heat exchanger arrangement shown in the figure below, where ins = 1500 kg/min and W;1 = 8,000 kW,. 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. Wn W2 = ? Turbine Turbine 2 P3 = 10 bar T3 =? T = 240°C T2 = 400°C P2= 10 bar P4=1 bar www Steam in 2 T = 600°C PI = 20 bar Ts = 1500 K -5 Ps = 1.35 bar 9. Heat exchanger V T6 = 1200 K P6 = 1 bar Air in Determine: (a) T3, in K. (b) the power output of the second turbine, in kW.arrow_forward
- Air within a piston-cylinder assembly executes a Carnot heat pump cycle, as shown in the figure below. For the cycle, TH = 500 K and Tc = 300 K. The energy rejected by heat transfer at 500 K has a magnitude of 1000 kJ per kg of air. The pressure at the start of the isothermal expansion is 325 kPa. Tc. p-v diagram for a Carnot gas refrigeration or heat pump cycle. Assuming the ideal gas model for the air, determine: (a) the magnitude of the net work input, in kJ per kg of air, and (b) the pressure at the end of the isothermal expansion, in kPa.arrow_forwardSN = 9 X = 20arrow_forwardAir within a piston-cylinder assembly executes a Carnot heat pump cycle, as shown in the figure below. For the cycle, TH = 400 K and Tc = 300 K. The energy rejected by heat transfer at 400 K has a magnitude of 625 kJ per kg of air. The pressure at the start of the isothermal expansion is 325 kPa. TH Te p-v diagram for a Carnot gas refrigeration or heat pump cycle. Assuming the ideal gas model for the air, determine: (a) the magnitude of the net work input, in kJ per kg of air, and (b) the pressure at the end of the isothermal expansion, in kPa.arrow_forward
- (a) An Ocean Thermal Energy Converter (OTEC) pumps 200 m^3/s through a heat exchanger in which the temperature (expressed in Kelvins) drops by 1%. All the heat extracted is delivered to the ammonia boiler [11. The ammonia temperature. THT at turbine inlet is equal to the mean temperature of the water in the warm water heat exchanger minus 1 °K. The temperature, TCT, of the ammonia leaving the turbine is kept at 10 °C by the cooling effect of 250 m³/s of cold water. The efficiency of turbine/generator system is 90% of the Carnot efficiency of a heat engine working between THT and TCT . 12 MW of the produced electricity is used for pumping. Heat capacity of water is 4.2 MJ m³ K-1. Calculate the intake temperature of the warm water for the following cases: i) A total of 20 MW of electricity is available for sale? ii) The OTEC produces exactly equal to the amount of power needed for pumping?arrow_forwardQuestion 15 Steam at a pressure of 0.08 bar and a quality of 93.2 % enters a shell-and-tube heat exchanger where it condenses on the outside of tubes through which cooling water flows, exiting as saturated liquid at 0.08 bar. The mass flow rate of the condensing steam is 2.4 x 105 kg/h. Cooling water enters the tubes at 15°C and exits at 35°C with negligible change in pressure. Neglecting stray heat transfer and ignoring kinetic and potential energy effects, determine the mass flow rate of the cooling water, in kg/h, for steady-state operation. m water x 106 kg/harrow_forwardDetermine:(a) the total power for both compressors, in kW.(b) the mass flow rate of the water, in kg/s.arrow_forward
- HVAC ENGINEERING USE SHAPIRO AND MORAN STEAM TABLESarrow_forwardSteady-state operating data are provided for a compressor and heat exchanger in the figure below. The power input to the compressor is 50 kW. As shown in the figure, nitrogen (N2) flows through the compressor and heat exchanger with mass flow rate of 0.25 kg/s. The nitrogen is modeled as an ideal gas. A separate cooling stream of helium, modeled as an ideal gas with k=1.67, also flows through the heat exchanger. Stray heat transfer and kinetic and potential energy effects are negligible. Find: a) Enthalpy change of Nitrogen from inlet to the compressor and exit from Heat exchanger, ( ℎ1-ℎ3) in kJ/kg, b) Enthalpy change of Helium from inlet to and exit from Heat exchanger, (ℎ5-ℎ4) in kJ/kg, c) Mass flow rate of the helium in kg/s.arrow_forwardQuestion 32arrow_forward
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