Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where m₁ = 1kg/s and T6 = 40°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Determine: Air P₁ = 1 bar 1+₁=300 K m₁ Compressor A P₂=3 bar +2 T₂=600 K (a) the total power for both compressors, in kW. (b) the mass flow rate of the water, in kg/s. WCVA wwwwww wwwww VT6, P6=Ps -Heat excha P4=9 bar T₁=800 K4 Compressor B 3+ P3=P2 T3=450 K Water Ts=20°C Ps= 1 bar WCVB

Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where m₁ = 1kg/s and T6 = 40°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Determine: Air P₁ = 1 bar 1+₁=300 K m₁ Compressor A P₂=3 bar +2 T₂=600 K (a) the total power for both compressors, in kW. (b) the mass flow rate of the water, in kg/s. WCVA wwwwww wwwww VT6, P6=Ps -Heat excha P4=9 bar T₁=800 K4 Compressor B 3+ P3=P2 T3=450 K Water Ts=20°C Ps= 1 bar WCVB

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

Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where m˙1= 0.6 kg/s and T6= 50°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Determine:(a) the total power for both compressors, in kW.(b) the mass flow rate of the water, in kg/s.
Steam at 200 psia and 600°F (state 1) enters a turbine through a standard 3-in pipeline with a velocity of 10 ft/s. The exhaust from the turbine is carried through a standard 10-in pipeline and is at 4 psia and 160°F(state 2). Data: H1=1321.4 BTU/lb, V1= 3.059 ft³/lb, H2=1129.3 BTU/lb, V2=92.15 ft³/lb. What is the power output of the turbine in W, assuming no heat losses.A. 29989.2B. 32152.6C. 34017.6D. 35435.0
An industrial adiabatic heat exchanger utilizes cold-water stream to cool down the waste-hot air flowing in a pipe, as shown in Figure Q1. Hot air of 5.4 x 104 m3/hour enters the heat exchanger at 120 kPa and 127°C, and leaves at 27°C. An amount of 180 L/min of cold-water flows into the heat exchanger at 100 kPa and 15°C. Neglect any pressure drop in the system. Assume gas constant and specific heat at room temperature. Apply the principles of 1st Law of Thermodynamics, and the Conservation of Mass and Energy Balance in a controlled volume appropriately, based on the sequence number indicated in Figure Q1 for all inlets and outlets. Include all necessary assumption in your analysis. (a) Analyze the water’s exit temperature and its quality (if any). (b) Using the value of mass flow rate of water, determine the rate of heat absorbed by the water stream, in kW (c) Determine the inlet diameter of the pipe if the average velocity of air is 25 m/s.
Water flows through a horizontal coil heated by steam condensing on the outside. If the inlet pressure and temperature are 2 atm and 160°F (state 1) and at the exit 1 atm and 220°F (state 2), calculate the heat added to the coil per pound mass of water. The entering velocity in 5 ft/s, and the leaving, 500 ft/s. Data: H1=127.9 BTU/lb, H2=1154.4 BTU/lbA. 1031 BTU/lbB. 1042 BTU/lbC. 1048 BTU/lbD. 1052 BTU/lb
Air behaving as an ideal gas enters a compressor followed by a constant pressure heat exchanger with the properties and volume flow rate listed in the figure. Do NOT assume constant specific heats. If the compressor has an isentropic efficiency of 83%, determine the heat transfer rate per unit mass in the heat exchanger (Btu/lbm).
A double acting compressor with a volume displacement of 0.432 m3/sec, delivers air at 725 KPa at a rate of 0.188 m3/sec. The inlet condition of air 100 KPa and 30 °C and the angular speed of the compressor is 200 RPM. For a compression and expansion processes given by PV1.3=C. Determine: a) The percent clearance of the compressor. b) The bore and stroke, in meters, assuming that the stroke is equal with the bore and the volume displacement of the crank end and head end are the same.
Steam flows through a turbine at the rate of 100 lb/min with ∆KE = 0 and Q = 0. At entry, its pressure is 175 psia, its volume is 3.16 ft3/lb, and its internal energy is 1166.7 Btu/lb. At exit, its pressure is 0.813 psia, its volume is 328 ft3/lb, and its internal energy is 854.6 Btu/lb. What horsepower is developed? (b) The same as (a) except that the heat loss from the turbine is 10 Btu/lb of steam.
A turbine operates under steady flow conditions, receiving steam at the following state: pressure 1200kPa, temperature 188℃, enthalpy 2785 KJ/kg, speed=33.3m/s and elevation of 3m . The steam leaves the turbine at the following state; pressure=20kPa, enthalpy 2512 kJ/kg. Speed 100m/s and elevation 0 m. Heat is lost to the surroundings at the rate of 0.29 kJ/s. If the rate of steam flow through a turbine is 0.42 kg/s, what is the power output of the turbine in kW?
At a particular stage of a reaction turbine the mean blade speed is 140 m/sec and the steam is at a pressure of 20 bar with temperature of 250° C. Fixed and moving blades at this stage have inlet angles 30° and exit angles 20°. The stage efficiency is 80%. Determine (1) Specific entholpy drop across the stage in kJ/kg. (i) Drum Dia and blade height if heigh is one-twelfth of the drum dia. and the steam flow is 120 kg/sec. (ii) The percentage increase in the relative velocity across the bladings as a result of pressure drop across the blading.
A boiler takes in feed water at 70 °C and generates steam at a pressure of 10 bar and drynessfraction 0.92. The wet steam enters a superheater and emerges with the same pressure at atemperature of 400 °C. If the steam flow rate is 5 tonnes per hour, determine (i) the rate atwhich heat transfer takes place in the boiler and (ii) the rate at which heat transfer takes placein the superheater. State any assumptions you have made in relation to the steady flowequation for the process.
4.) A pump in a municipality's water-supply system receives water from the filtration beds and pumps it up to the top of a water tower. The tower's height is 35 m, and the inlet piping to the pump is 2 m below the pump's intake. The water temperature is 20°C, measured at both the inlet and discharge from the pump. The mass flow rate through the pump is 100 kg/s, the diameter of the inlet piping is 25 cm, and the diameter of the discharge piping is 15 cm. Assuming that there is no heat transfer and no change in internal energy of the water, determine the power required by the pump
Water vapor enters the steam turbine at 4000 kPa pressure, 500 ° C temperature and 6 m 3 / s volume flow , as shown in the figure below . 0.2 times the mass flow rate of the incoming water from outlet no.2 with 500 kPa pressure and 200 ° C temperature, 0.8 times the mass flow of water, exit no 3 with 30 kPa pressure and 0.85 dryness degree. Since the heat transfer from the turbine to the environment is 5000 kW,(Changes in kinetic and potential energies are negligible) find the mass flow of the incoming water . Find the volume flow of water at outlet no. 3 Find the power (kW) produced by the turbine.