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!
Consider the packed bed (s = 0.5) of latent heat cap- sules (Dc = 50 mm) described in Problem 7.110, but now for an application in which ambient air is to be heated by passing it through the bed. In this case the capsules contain an organic compound with a melting point of Tmp = 50°C, and the air enters the vessel (Lv = Dv = 0.40 m) at Ti = 20°C and V = 1.0 m/s.
(a) If the PCM in each capsule is in the liquid state at Tmp as solidification occurs within the capsule, what is the outlet temperature of the air? If the density and latent heat of fusion of the PCM are p = 900 kg/m3 and hsf = 200 kJ/kg, what is the mass rate (kg/s) at which the PCM is converted from liquid to solid in the vessel?
(b) Explore the effect of the inlet air velocity and capsule diameter on the outlet temperature.
(c) At what location in the vessel will complete freez- ing of the PCM in a capsule first occur? Once complete freezing begins to occur, how will the outlet temperature vary with time and what is its asymptotic value?
an open gas turbine is equipped with a regenerator. the compressor is 87nbspefficient with air entering the compressor
Determine the mode shapes and frequencies of vibration of the system of cars by Sweeping the rigid body mode
A hemispherical droplet of liquid water, lying on a flat surface, evaporates by molecular diffusion through still air surrounding the droplet. The droplet initially has a radius R. As the liquid water slowly evaporates, the droplet shrinks slowly wit..
Air is compressed by 10.50-kW compressor form P1 to P2. The air temperature is maintained constant at 26ºC during this process as a result of heat transfer to the surrounding medium at 10ºC. Determine the rate of entropy change of the air.
steam at 5 bar 320 c enters a steady state turbine with a volumetric flow rate of 0.65m3s and evpands adiabatically to
Environmental engineers are involved in water and air pollution control, recycling, waste disposal, and public health issues. In which scenario could an environmental engineer be contracted by the owner to perform a particular service?
assume a wind turbine with a hub 50 meters above the ground a rotor diameter of 50 meters and wind conversion efficiecy
Ask one or two engineers what kinds of oral presentations they make on a fairly regular basis. How long do they talk each time? What do they talk about? Who is their audience? Do they use any graphic aids or handouts while presenting? What kinds of f..
you are an engineer in an electric-generation station. you know that flames in the boiler reach a temp of 1200 k and
Using the thermodata computed from the matlab functions to compute the mixture-averaged mass specific Gibbs free energy of the final mixture, as a function of the progress variable (normalized as: 0 for no dissociation, and 1 for complete dissociatio..
a heat engine operates between two reservoirs at 850c and 20c. one -half of the work output of the heat engine is used
Determine the resultant of load system shown below. Locate where the resultant intersects grade with respect to point A at the base of the structure
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