V sup: Supply airflow rate (m³/s) Vret : Exhaust airflow rate (m³/s) To Air-to-air heat recovery system Ve exf: Exfiltration (m³/s) Tret Exhaust air temperature (°C) Tsup Supply air temperature (°C) T : Zone temperature (°C) To : Outdoor air temperature (°C) Exhaust air fan Vret Θ T sup Supply air fan Heating coil Tret Zone T: Vexf

V sup: Supply airflow rate (m³/s) Vret : Exhaust airflow rate (m³/s) To Air-to-air heat recovery system Ve exf: Exfiltration (m³/s) Tret Exhaust air temperature (°C) Tsup Supply air temperature (°C) T : Zone temperature (°C) To : Outdoor air temperature (°C) Exhaust air fan Vret Θ T sup Supply air fan Heating coil Tret Zone T: Vexf

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.19P

See similar textbooks

Similar questions

I need answer in handwritten
only solve part c : the EER
could you help me with this problem
please help
please written solution by hand and how can com h6 and s6 when T turbine inlet = 130 C , P heat exchanger = 20 bar , P condenser = 5 bar , Tw . cond out = 25 C Tw cond in = 17.5 C efficiencies compressor = 67.5 efficiencies turbine = 78 m. refrig =0.4 kg/s
Q: During a steam generator performance test, the following datawere recorded:Fuel Data: Coal mass flow rate = 2.5 kg/s; HVC = 32.5 MJ/kgSteam Data: Pressure = 13 bar; quality = 99% dry; mass flow rate =25kg/sFeed water data: saturated at 50oC.Calculate the boiler efficiency
An air conditioning system is designed under the following conditions Outdoor conditions; 30°C dbt, 75% RH Required indoor conditions; 22°C dbt, 70% RH Amount of free air circulated; 3.33 m/sec Coil dew point temperature; 14°C The required condition is achieved first by cooling and dehumi dification and then by heating. Estimate (1) Capacity of cooling coil intons and its efficiency. (ii) Capacity of heating coil in kW. ii) Amount of water vapour removed kg/sec.
Pls. Answer thank you! An auditorium seating 1600 people is to be maintained at 80°F dry bulb and 65°F wet bulb temperature when outdoor air is at 91oF dry bulb and 75oF wet bulb. Solar heat load is 120,000 Btu/hr and supply air is at 60°F, determine the amount of supply air. (Use sensible heat load of 225 Btu/hr per person)
A food storage chamber requires a refrigeration system of 15 ton capacity operating at an evaporator temperature of -25.2 deg C and a condenser tempreature of 35.8 deg C. Refrigerant (R-717) is used and the system operates under saturated conditions. Determine: a.) C.O.P. b.) Refrigerant flow rate c.) Rate of heat flow removed by condense
6- The following reading were taken during a test on a surface condenser: Mean condenser temperature = 35°C Hot well temperature = 30°C Condenser vacuum = 69 cm Hg Barometer reading = 76cmHg Condensation rate = 16 kg/min Cooling water temperature inter = 20 °C Cooling water temperature outlet = 32.5 °C Flow rate being = 37500 kg/h Calculate: a- mass of air present per cubic meter of condenser b- quality of steam at condenser inlet c- vacuum efficiency d- condenser efficiency (condenser heat transfer effeteness)
B1
The following is part of a power cycle; the purpose of this cycle is to generate work to run an electrical generator. R-410A is the working fluid. The turbine generates enough work to run the compressor and to send work to the electrical generator (Wnet). Determine the cycle efficiency.