Q3: The sensible cooling load of the air conditioner space is 100 kW and latent load is 20 kW. Inside conditions 25 °C DBT & 50% RH and outside conditions 40 C DBT & 26 °C WBT. The space requires rate ventilation rate 1 m³/s. Find: 1) Supply air conditions and supply air rate 2) Condition of the return and outside air mixture before the coil 3) Load the cooling coil and the air flow rate if the air temperature rises by 5.6 °C. 4) BPF for coil

Q3: The sensible cooling load of the air conditioner space is 100 kW and latent load is 20 kW. Inside conditions 25 °C DBT & 50% RH and outside conditions 40 C DBT & 26 °C WBT. The space requires rate ventilation rate 1 m³/s. Find: 1) Supply air conditions and supply air rate 2) Condition of the return and outside air mixture before the coil 3) Load the cooling coil and the air flow rate if the air temperature rises by 5.6 °C. 4) BPF for coil

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A Single Stage Vapor Compression (SSVC) refrigeration system has a cooling capacity of 7.5 tons. The following are the actual conditions: discharge of the evaporator is at -30°C & 0.2 MPa, discharge of the condenser is at 30°C & 2.0 MPa, discharge of the compressor is at 130°C & 2.5 MPa. Determine the COP of the system.
1. Figure 1 below shows a stirred tank heating process-with a constant holdup volume. Assume mass flow rate w, of the inlet pipe is constant whereas its temperature T fluctuates but the product temperature T must be maintained within set temperature tolerances about the reference. Heater Figure 1: Stirred heating tank process
Simulates the following thermodynamic cycle. Flow rate (Refrig-23) R-23 is 1 kg per hour and the pressure pressure in all converters is zero. Find the flow rate (Refrig-22) of R-22 in kgmole / h and W1. Compressors have an adiabatic range of 75%. (FP.PR)
i need the answer quickly
Q2 Figure Q2, A turbo-compressor supplies power to the air-condition unit (Refrigerant) with 900.0 kw. Calculate the volume per minute of the gas operating through the unit where the density is 1 Ib/ft. Given Data: TH Atmospheric temperature = 520°R Compressor gas temperature = 607°R CP 0.539, J=778J/S, Conversion factor =33000.0 One-hours power = 746 watts. QH R 900.0kw Figure (Q2), Refrigerant unit TL
A vapor compression cycle "COP= 2.5" is operated by an electric motor "3-Phase, 380 volts, 87% efficient", the cooling load is 31 kW. If the motor is replaced by a new one, same specifications but 94% efficient What will be the annual SOURCE energy savings. "kWh" when it's used for 1400 hours every cooling season every year? Grid efficiency is 37%. Select one: A. 4362.63 B. 3401.59 C. 4016.05 D. 3718.86 E. 4686.73
Q2/ In simple refrigeration system uses R134a, the evaporator pressure is 0.25 MPa and the condenser pressure is 1. MPa. The evaporator load is 25 TR. Determine the required work to operate the compressor motor in (a) kW, (b) hp. What is the displacement volume of the compressor if the volumetric efficiency is 80%
I am confused with the equation for COP , please explain the equation that you use for calculation.
Pls. Answer thank you! The inside design conditions for a conditioned space are 20.1°C dry-bulb and 15.2°C wet-bulb. The air temperature increases 10.6°C as it passes through the conditioned space. The apparatus dew point is 11.9°C. The heat transfer rate is 456 Kw. What is most nearly the volumetric flow rate of the air passing through the space?
Q. A regenerative air cooled system is used for an air plane to take 23 tons of refrigeration loads. The ambient air at pressure 0.95 bar and temperature 10°C is rammed till the pressure rises to 1.34 bar. The air bled off the main compressor at 5.12 bar is cooled by ram air in the first heat exchanger whose effectiveness is 77.6 % and 73% of enthalpy of air discharge from first heat exchanger is removed in the regenerative heat exchanger with a portion of the air bled after expansion in the cooling turbine. The cabin is maintained at a temperature of 25°C and a pressure of 1 bar. Assume the isentropic efficiency for ramming 85%, for compression 90 % and for expansion 80 %. Find: the mass of the air bled from cooling turbine to be used for regenerative cooling, Power required and COP of the system. Assume the temperature of air leaving to atmosphere from the regenerative heat exchanger as 98°C. Draw the schematic and temperature-entropy diagram of the system. Take for air Cp=1 kJ/kg,…
Hi please show working? Thankyou ! An air conditioner cools humid air Temperature 1 =25 celcius Temperature 2 = 10 celcius Relative humidity 1 = 70% Determine the final relative humidity (2) and calculate: 1) the energy removed 2) the water mass extracted from the air
steam enters the steam generating unit at a pressure of 20 bar and dryness of 0.96 and leaves at the same pressure at a temperature of 350°C. Mass flow rate of steam is 5kg/s. Find the percentage increase in volume (%) due to drying and superheating.