Refrigerant enters the condenser of residential heat pump

Assignment Help Mechanical Engineering
Reference no: EM13710268

Refrigerant-134a enters the condenser of a residential heat pump at 900 kPa and 40°C at a rate of 0.02 kg/s and leaves at 900 kPa as a saturated liquid. If the compressor consumes 1.2kW of power, determine (a) the COP of the heat pump and (b) the rate of heat absorption from the outside air.

Reference no: EM13710268

Questions Cloud

Determine the change in kinetic energy : Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4MPa. 500 degree Celsius and 80m/s and the exit conditions are 30kPa, 92 percent quality and 50m/s. the mass flow rate of the steam is 12kg/s. determine the chan..
Two-dimensional steady-state heat conduction : Using Finite Difference and Finite Element to Solve for Two-Dimensional Steady-State Heat Conduction. Temperature distribution in the block (provide color contour diagrams) Temperature distribution along the top surface (present T vs x graphs)
Tubular body for high-pressure coolant and a carbide tip : What drill has one set of flutes that are ground to more than one diameter? What drill category includes more than one set of flutes allowing multiple diameters? What drill type incorporates a tubular body for high-pressure coolant and a carbide tip?
Refrigeration cycle operating : A refrigeration cycle operating between two reservoirs receives energy QC from a cold reservoir at TC = 280 K and rejects energy QH to a hot reservoir TH = 330 K. For each of the following cases determine whether the cycle operates reversibly, irreve..
Refrigerant enters the condenser of residential heat pump : Refrigerant-134a enters the condenser of a residential heat pump at 900 kPa and 40°C at a rate of 0.02 kg/s and leaves at 900 kPa as a saturated liquid. If the compressor consumes 1.2kW of power, determine (a) the COP of the heat pump and (b) the rat..
Find the polynomial by any suitable method : A fourth-order polynomial passes through the five points for which the independent and dependent variables, x and y, respectfully, are given (-2,37), (-1,7), (0,5),(1,13), and (2,61). Find the polynomial by any suitable method. Here, x represents the..
What is the controlling resistance for this heat transfer : A spherical container of outer diameter 2.5 m is buried below the wrath’s surface. The distance of the center of the container to the earth surface is 10 m. The container issued to temporarily store radioactive wastes where heat is generated at a rat..
Determine the rate of heat absorption from the outside air : Refrigerant-134a enters the condenser of a residential heat pump at 900 kPa and 40°C at a rate of 0.02 kg/s and leaves at 900 kPa as a saturated liquid. If the compressor consumes 1.2kW of power, determine (a) the COP of the heat pump and (b) the ra..
Estimate the range flaw sizes : A silicon nitride turbine rotor fractures at a stress level of 265 MPa. Estimate the range flaw sizes that could have been responsible for this failure.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  An air conditioner operating at steady state maintains a

an air conditioner operating at steady state maintains a dwelling at 20 degrees celsius on a day when the outside

  With a sphygmomanometer as pressure is released the height

with a sphygmomanometer as pressure is released the height of the mercury column is recorded at two points as blood

  The jib crane is supported by a pin a c and rod ab the rod

the jib crane is supported by a pin a c and rod ab. the rod can withstand a maximum tension of 40kn. if the load has a

  Calculate the limestone feed rate lbhr assume that the flow

a power plant produces a flue gas with a mass flow rate of 2 million pounds per hour. of that 150000 lbhr is water

  If the barometric pressure was 100 kpa and the humidity was

temperature in state college pa on 31st december 2012 was 22 f. if the barometric pressure was 100 kpa and the humidity

  Knowing that block b has a constant velosity of 3 ins

block c starts from rest at t 0 and moves downward with a constant accelerration of 4 ins2 . knowing that block b has

  Calculate the moid constant b then compute the

a rectangular casting having the dimensions 3 inch by 5 inch by 10 inch solidifies completely in 11.5 min. using n2 in

  The dry bulb temperature of the air in a 4m by 3m

the dry bulb temperature of the air in a 4m by 3m underground opening is 26 degc. the corresponding moisture content is

  Professional engineers code of ethics promote safety

How does the National Society of Professional Engineers Code of Ethics promote safety, health and welfare to the public? (2 - 3 paragraphs)

  A vehicle is moving along a straight line with an

a vehicle is moving along a straight line with an acceleration given by ms2 where s is in m. at s 0 t 0 and v 6 ms.

  A piston cylinder device initially contains 5kg of water at

a piston cylinder device initially contains 5kg of water at saturated liquid state1. it undergoes a process in which it

  Sketch the passage shape

At a section in a passage, the pressure is 150 kPa (abs), the temperature is 10 deg C, and the speed is 120 m/s. For isentropic flow of air, determine the Mach number at the point where the pressure is 50 kPa (abs). Sketch the passage shape.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd