There is a hot water source in New Delhi.Our plan is to use this heat source for heating and hot water supplies of a site of 50 hostels. The outlet temperature of the water from the source is 100°C. Calculate the power required for the pump used to pump the water to the surface. isentropic pump efficiency is 0.9

There is a hot water source in New Delhi.Our plan is to use this heat source for heating and hot water supplies of a site of 50 hostels. The outlet temperature of the water from the source is 100°C. Calculate the power required for the pump used to pump the water to the surface. isentropic pump efficiency is 0.9

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 1RQ: Geothermal heat pumps, or water-source heat pumps, are classified as either _____loop or _____loop...

See similar textbooks

Similar questions

Geothermal heat pumps, or water-source heat pumps, are classified as either _____loop or _____loop systems.
A steam power plant has a turbine work of 320kJ/kg and the pump work is 2 kJ/kg. If the mass flow rate is 10kg per second, compute the power produced by this plant answer 3180kw
A steam turbine receives a steam flow rate of 2kg/s and the power output is. 700 kW. The heat loss from the casing is negligible. B. when the velocity at the entrance is 60 m/s, the velocity at exit is 360 m/s, and the inlet pipe is 3 m above ?the exhaust pipe, the change of specific enthalpy across the turbine is 700 kJ 600 kJ 400kJ non of the above
Water is extract from underground water source whose free surface is 20m below the ground level. The diameter of the pipe is 10 cm in and 30 cm at the exist. What is the 80kg/sec (kw)?
In a gas urbine unit. the gases flow through the turbine is 15 kg's aud the power developed by the tubine is 12000 kW The enthalpies of gases at the inler and outlet are 1260 kJkg and 400 kJke respectively. and the velocity of gases at the inlet and outlet are 50 m's aad 110ms respectively. Calculate The rate at which heat is rejected to the tubine. and The area of the inlet pipe given that the specifie volume of the gases at the mlet is 0.15 m3 kg.
A boiler feed pump has a suction enthalpy of 2500 KJ/kg and exit of 2505KJ/kg. Find the velocity of water in the flowing in the pump. Answer: 100m/s
A pump with an overall efficiency of 60% is pumping an acid (p= 1800kg/m3) from an open tank (atmospheric pressure) to a reactor unit at the rate of (8 square root 8) kg/s. This unit operates at 8000 Pa gauge and the acid is discharged into it with a velocity of 0.24 m/s at a point 6m above the acid surface level in the tank. Determine the power required (kW) to run the pump if the sum of the major and minor energy losses are equivalent to 3m of H2O head.
The heat pump with a power input of 2000 kW draws heat from a heat source at a temperature of 70 ° C and gives heat to a boiler. Saturated liquid water entering the boiler at 300 kPa pressure,It leaves the boiler as saturated steam at 300 kPa pressure performance of the heat pump=0.5 times the performance of the Carnot Heat pump Find the mass flow of water flowing from the boiler (kg/s)
A 650 bhp Diesel Engine with 6 cylinders has a brake thermal efficiency of 36 % and a jacketwater loss of 27%. It uses a closed cooling system with a cooling tower 10 meters high. Thetemperature rise after passing the water jacket is 12 °C and the cooling tower range is 5 °C. Make asketch showing the vital parts of the cooling tower system and calculate:a) capacity of the jacket water pump in GPMb) exhaust loss if the friction, radiation and other losses total 8%.c) cooling water flow rate in the cooling tower in liter/hrd) standard size electric motor to drive the raw water pump if the total dynamic head is 35 meters and the pump efficiency is 84%
A Carnot engine requires 35 kW from the hot source. The engine produces 15 kW of power and the temperature of the sink is 26oC. What is the amount of heat rejected to the sink?
A hot water heater is using a heat pump system for heating the water, as shown in the figure. The system heats 40 liters per min of water form 20 C to 60 C. The heat pump has a coefficient of performance (COP) of 4. Calculate: A-Rate of transfer of heat to the water B- The power requirement of the heat pump C-If the heat pump operates 10 hours a day, calculate the amount of energy use of the heat pump in per month.
In a Geothermal field, saturated steam at 5 MPa is available flowing at a rate of 90,000 kg/hr per extraction well. There will be two 25 Megawatts of steam turbine-generator units to be installed. Exhaust is at 7 kPa and the over-all efficiency of the the steam generator is 80%. How many wells has to be operated to drive the 2 units of steam generators at fulI capacity considering steam enters the turbine at 4.8 MPa? Sketch the plant schematic diagram and the t-s diagram.