Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
A geothermal vapor compression heat pump maintains the inside air supply of a building at 30 °C and operates with the refrigerant R134a. Underground water is the source of energy for the heat pump and is pumped into the building at 12 °C. The evaporator of the heat pump is designed to operate at a temperature of 8 K below the cold-water inlet temperature. The refrigerant leaves the evaporator as saturated vapor. The condenser operates at 9 bars. The refrigerant leaves the condenser 1.53 K subcoooled. The compressor has an adiabatic efficiency of 72%.
(a) Find the temperature and pressure at each state point of the cycle, in °C and kPa.
(b) Determine the specific work into the compressor, in kJ/kg.
(c) Calculate the specific heat transfer out of the cycle, in kJ/kg.
(d) Obtain the heating coefficient of performance.
(e) Compute the mass rate of cold water required, in kg/min, if the water undergoes a temperature change in the evaporator of 4 K and the heat pump has a capacity unit of 1200 kJ/min.
(f) Sketch the cycle on a T-s diagram. Label all points and processes.
a 6-km cast-iron new pipeline conveys 320 lsec of water at 30 degrees celsius. if the pipe diameter is 30 cm compare
the walls of an insulated lunch box are made of inch-thick styrofoam with a thermal conductivity of 0.05wmk. if an ice
a vapor compression refrigetarion cycle has a theoretical cop of 4.8 and provides 120000 btuh of cooling. the
a roller coaster starts from rest at a rolls down the track to b describes a circular loop of 40-ft diameter and moves
What is the composition, in atom percent, of an alloy that consists of 5.5 wt% Pb and 94.5 wt% Sn?
the hot gas supply to a propulsion nozzle is at a pressure of 55kpa and temperature of 800k. the ambient pressure is
a transparent rigid container is filled with 2 gallons of water. initially the pressure is measured to be 10.2 psig
The explanation provided below, provide the solution to the problem in simple and easy to understand steps. A turbofan engine on a test stand in the maintenance shop is being run at a continuous setting of 22,700 lbs of thrust. The TSFC is 0.5 lbs/..
write a matlab code to draw a cubic bezier curve using decasteljau algorithm. the input to the program should be four
a closed rigid tank whose volume is 1.5 m3 contains refrigerant 134a initially a two phase lipuid-vapor mixture at 10c.
a piston-cylinder device contains 0.15kg of air initially at 2mpa and 350oc. the air is first expanded isothermally to
an air standard brayton closed cycle receives air at 1 atm and 298 k. the upper temperature and pressure limits are 5
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd