Determine the heat transfer rate with the environment

Assignment Help Mechanical Engineering
Reference no: EM13718108

An inventor claims to have developed a heat pump that produces a 200kW heating effect for a 20 degree Celsius heated zone while using 75 kW of power. The heat pump operates steadily in an environment at 0 degrees Celsius.

A) Determine the heat transfer rate with the environment

B) Determine the coefficient of performance (COP) of the claimed heat pump

C) Justify the validity of this claim

Reference no: EM13718108

Questions Cloud

Find the dependence between the torque : A disc with radius, R, rotates (at an angular speed of ?) near a surface that is fixed. The space between the disc and surface is filled with a fluid that has viscosity, µ. The distance between the disc and surface is h. Find the dependence between t..
Explain why it is important to document quality procedures : Explain why it is important to document quality procedures at the beginning of a project rather than later on. In addition, think about 2 advantages and 2 disadvantages of using standards for documentation in each of the software phases.
What is the initial temperature and entropy : Consider a mixture of saturated liquid water and saturated steam at 2 bar and x = 0.95 that is compressed adiabatically and reversibly to 25 bar in an open system. What is the initial temperature and entropy?
What else can you do to improve performance : You have a site (Site1) that has about 20 users. For the last few months, users at Site1 have been complaining about the performance when accessing multiple files located on servers at the corporate office, particularly if the files are relativel..
Determine the heat transfer rate with the environment : An inventor claims to have developed a heat pump that produces a 200kW heating effect for a 20 degree Celsius heated zone while using 75 kW of power. The heat pump operates steadily in an environment at 0 degrees Celsius.
The robin hood team members : 1. As one of the Robin Hood team members, how should you proceed? What steps would you take, and what would be your priorities? 2. Are CASE tools available that you could use on this assignment? What are they? 3. What advice would you give to the cli..
Final equilibrium temperature-entropy produced within tank : A 2.64 kg copper part, initially at 400 K, is plunged into a tank containing 4 kg of liquid water, initially at 300 K. The copper part and water can be modeled as incompressible with specific heats of 0.385 kJ/kg. K and 4.2 kJ/kg.K, respectively. For..
Discuss the role of pink1 and parkin : Discuss the role of PINK1 and Parkin with regard to Parkinson's Disease.
Gas in a piston-cylinder assembly : 1kg of a gas in a piston-cylinder assembly undergoes a Carnot power cycle for which the isothermal expansion occurs at 800 K. The change in specific entropy of the gas during the isothermal compression, which occurs at 400 K is -25 kJ/kg. K.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  The water exits the boiler as a superheated vapor with a

water is the working fluid in an ideal rankine cycle. the water exits the boiler as a superheated vapor with a pressure

  The field-circuit resistance and armature-circuit

the field-circuit resistance and armature-circuit resistance of a 10-hp 115-v motor are 90 ohms and 0.08 ohms

  The volumetric flow rate at the exit of the pipe

Carbon dioxide gas enters a pipe at 3 MPa and 500 K at a rate of 2 kg/s. CO2 is cooled at constant pressure as it flows in the pipe and the temperature of CO2 drops to 450 K at the exit.

  A cruise ship is traveling at a speed of 240 a speedboat

a cruise ship is traveling at a speed of 24.0 . a speedboat with a late passenger is heading toward the cruise ship at

  A 012-m3 rigid tank contains saturated refrigerant- 134a at

a 0.12-m3 rigid tank contains saturated refrigerant- 134a at 800 kpa. initially 25 percent of the volume is occupied by

  The metal rhodium has a fcc crystal structure if the angle

the metal rhodium has a fcc crystal structure. if the angle of diffraction for the 311 set of planes occurs at 36.12deg

  For each claimed set of data listed below determine whether

a power cycle operates between hot and cold reservoirs at 1000 k and 300 k respectively. for each claimed set of data

  Determine the leak flux masstime x area as a result of this

liquid ammonia is stored in a tank at 24 deg c and a pressure of 2.4 x 106 pa absolute. a leak develops at the bottom

  Calculate the change in kinetic energy and the power output

Circulating a steady state turbine 20000 kg / h of steam at 4 bar entering and 440 ° C and leaves at 0.20 bar and 90% quality. A heat of 20 kJ / kg is lost. The inlet has a diameter of 8 cm and the output section is rectangular, of dimensions 0.9 m ..

  This type of device is isobaric assume the device is

a de-superheater works by injecting liquid water at 20 degrees c into a 10 kgs stream of superheated water vapor at 300

  Indicate the percentage change of ws when pressure angle

a spur pinion d 100 mm has a torque of 225 nm applied to it. for pressure angle of 20 degreea. calculate wt wn and

  The specific heat of air can be estimated from the

the electronic components of a computer are cooled by air flowing through a fan mounted at the inlet of the electronics

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