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Problem 4.070 SI The figure below shows a turbine-driven pump that provides water to a mixing...
The figure below shows a turbine-driven pump that provides water to a mixing chamber located 25m...
The figure below shows a turbine-driven pump that provides water
to a mixing chamber located 25m higher than the pump. Steady-state
operating data for the turbine and pump are labeled on the figure.
Heat transfer from the water to the surroundings occurs at a rate
of 2 kW. For the turbine, heat transfer with the surroundings and
potential energy effects are negligible. Kinetic energy effects at
all states can be ignored. Determine:
a) The power required by the pump, in...
The figure shows a schematic of a power plant that has two steam turbines. The water...
The figure shows a schematic of a power plant that has two steam turbines. The water (the working fluid for the plant) leaves the high pressure turbine (HPT) as saturated vapour at 1000 [kPa]. Part of this flow is diverted to an insulated heat exchanger, which we hot airstream to create superheated steam that enters the low pressure turbine (LPT). The air mas flow rate is 19.5 k/s and the air temperature drops from 1100 to 6001 as it goes...
The figure shows a schematic of a power plant that has two steam turbines. The water...
The figure shows a schematic of a power plant that has two steam turbines. The water (the working fluid for the plant) leaves the high pressure turbine (HPT) as saturated vapour at 1000 [kPa]. Part of this flow is diverted to an insulated heat exchanger, which uses a hot air stream to create superheated steam that enters the low pressure turbine (LPT). The air mass flow rate is me=19.5 kg/s) and the air temperature drops from 1100 to 600°Cas it...
Steam enters a turbine operating at steady state at 30 bar, 400 °C with a mass flow rate of 126 kg/min and exits as saturated vapor at 0.2 bar, producing power at a rate of 1.5 MW. Kinetic and po...
Steam enters a turbine operating at steady state at 30 bar, 400 °C with a mass flow rate of 126 kg/min and exits as saturated vapor at 0.2 bar, producing power at a rate of 1.5 MW. Kinetic and potential energy effects can be ignored. Determine the followings. (a) (5 points) The rate of heat transfer, in kW. (b) (15 points) The rate of entropy production, in kW/K, for an enlarged control volume that includes the turbine and enough of...
5. Steam at 140 bar and 600 °C enters a turbine at a mass flow rate...
5. Steam at 140 bar and 600 °C enters a turbine at a mass flow rate of 0.5 kg/s. This steam exits the turbine as a saturated vapor at 300 °C. During operation, the turbine loses 200 kW of heat to the surroundings. Assume that the turbine operates at steady state and that the change of kinetic energy and gravitational energy can be ignored. (a) Sketch the system and boundary (4 points); (b) Label all mass flows and energy transfer...
Steady-state operating data for a simple steam power plant are provided in the figure 7. below....
Steady-state operating data for a simple steam power plant are provided in the figure 7. below. Heat transfer and kinetic and potential energy effects can be ignored. Determine the (a) thermal efficiency and (b) the mass flow rate of the cooling water, in kg per kg of steam flowing Qie/m=3400 kJ/kg P1 4 MPa T 600°C Power out Turbine P2=0.2 bar 2 Steam saturated Cooling water in at T's 15°C generator vapor Condenser Cooling water out at T6 35°C Pump...
6.133 Figure P6.133 shows a simple vapor power cycle operating at steady state with water as...
6.133 Figure P6.133 shows a simple vapor power cycle operating at steady state with water as the working fluid Data at key locations are given on the figure. Flow through the turbine and pump occurs isentropically. Flow through the steam generator and condenser occurs at constant pressure. Stray heat transfer and kinetic and potential energy effects are negligible. Sketch the four processes of this cycle in series on a T-s diagram. Determine the thermal efficiency P 20 MPa T 700°C...
Problem 6.055 SI Water at P1 = 20 bar, T1 = 400°C enters a turbine operating...
Problem 6.055 SI Water at P1 = 20 bar, T1 = 400°C enters a turbine operating at steady state and exits at P2 = 1.5 bar, T2 = 230°C. The water mass flow rate is 4000 kg/hour. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power produced by the turbine, in kW, and the rate of entropy production in the turbine, in kW/K. Step 1 Determine the power produced by the turbine, in kW. W,...
Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in...
Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in Fig. P4.108. 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. Determine (a) T3, in K, and (b) the power output of the second turbine, in kW. Figure P4.108 (page 227) Fundamentals of Engineering Thermodynamics 7th edition: Moran Shapiro
A steam turbine, as shown in Figure Q3, operates at steady state with inlet conditions of Pi= 2 M...
A steam turbine, as shown in Figure Q3, operates at steady state with inlet conditions of Pi= 2 MPa, T1 = 480°C and producing 4000 kW. Saturated steam leaves the turbine at a pressure of 0.1 bar where it is condensed at 45.81 °C in the condenser. There is no significant heat transfer between the turbine and the condenser and their surroundings, and kinetic and potential energy changes between inlet and exit are negligible.
A steam turbine, as shown in...
The figure below shows a turbine-driven pump that provides water
to a mixing chamber located 25m higher than the pump. Steady-state
operating data for the turbine and pump are labeled on the figure.
Heat transfer from the water to the surroundings occurs at a rate
of 2 kW. For the turbine, heat transfer with the surroundings and
potential energy effects are negligible. Kinetic energy effects at
all states can be ignored. Determine:
a) The power required by the pump, in...
The figure shows a schematic of a power plant that has two steam turbines. The water (the working fluid for the plant) leaves the high pressure turbine (HPT) as saturated vapour at 1000 [kPa]. Part of this flow is diverted to an insulated heat exchanger, which we hot airstream to create superheated steam that enters the low pressure turbine (LPT). The air mas flow rate is 19.5 k/s and the air temperature drops from 1100 to 6001 as it goes...
The figure shows a schematic of a power plant that has two steam turbines. The water (the working fluid for the plant) leaves the high pressure turbine (HPT) as saturated vapour at 1000 [kPa]. Part of this flow is diverted to an insulated heat exchanger, which uses a hot air stream to create superheated steam that enters the low pressure turbine (LPT). The air mass flow rate is me=19.5 kg/s) and the air temperature drops from 1100 to 600°Cas it...
Steam enters a turbine operating at steady state at 30 bar, 400 °C with a mass flow rate of 126 kg/min and exits as saturated vapor at 0.2 bar, producing power at a rate of 1.5 MW. Kinetic and potential energy effects can be ignored. Determine the followings. (a) (5 points) The rate of heat transfer, in kW. (b) (15 points) The rate of entropy production, in kW/K, for an enlarged control volume that includes the turbine and enough of...
5. Steam at 140 bar and 600 °C enters a turbine at a mass flow rate of 0.5 kg/s. This steam exits the turbine as a saturated vapor at 300 °C. During operation, the turbine loses 200 kW of heat to the surroundings. Assume that the turbine operates at steady state and that the change of kinetic energy and gravitational energy can be ignored. (a) Sketch the system and boundary (4 points); (b) Label all mass flows and energy transfer...
Steady-state operating data for a simple steam power plant are provided in the figure 7. below. Heat transfer and kinetic and potential energy effects can be ignored. Determine the (a) thermal efficiency and (b) the mass flow rate of the cooling water, in kg per kg of steam flowing Qie/m=3400 kJ/kg P1 4 MPa T 600°C Power out Turbine P2=0.2 bar 2 Steam saturated Cooling water in at T's 15°C generator vapor Condenser Cooling water out at T6 35°C Pump...
6.133 Figure P6.133 shows a simple vapor power cycle operating at steady state with water as the working fluid Data at key locations are given on the figure. Flow through the turbine and pump occurs isentropically. Flow through the steam generator and condenser occurs at constant pressure. Stray heat transfer and kinetic and potential energy effects are negligible. Sketch the four processes of this cycle in series on a T-s diagram. Determine the thermal efficiency P 20 MPa T 700°C...
Problem 6.055 SI Water at P1 = 20 bar, T1 = 400°C enters a turbine operating at steady state and exits at P2 = 1.5 bar, T2 = 230°C. The water mass flow rate is 4000 kg/hour. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power produced by the turbine, in kW, and the rate of entropy production in the turbine, in kW/K. Step 1 Determine the power produced by the turbine, in kW. W,...
A steam turbine, as shown in Figure Q3, operates at steady state with inlet conditions of Pi= 2 MPa, T1 = 480°C and producing 4000 kW. Saturated steam leaves the turbine at a pressure of 0.1 bar where it is condensed at 45.81 °C in the condenser. There is no significant heat transfer between the turbine and the condenser and their surroundings, and kinetic and potential energy changes between inlet and exit are negligible.
A steam turbine, as shown in...
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