Consider a constant pressure device. The inlet flow to this device is moist air at 100...

Consider a constant pressure device. The inlet flow to this device is moist air at 100 kPa, 40oC, 40% relative humidity. The outlet flow from this device is cooled to 15oC. Determine:

(a) the humidity ratio of the inlet and the exit flow,

(b) the heat transfer in the device per kg dry air,

(c) repeat (a) and (b) using the psychrometric chart.

Expert Solution

samet mamat answered 2 years ago

Consider a diffuser in which air flows steadily. At the inlet of the diffuser the pressure,...

Consider a diffuser in which air flows steadily. At the inlet of the diffuser the pressure, the temperature and the velocity of the air are 100 kPa, 110oC and 175 m/s, respectively. At the exit of the diffuser the pressure, the velocity of the gas and the area of the diffuser are 110 kPa, 15 m/s and 0.1 m2 , respectively. Accounting for an heat loss of 3 kJ/kg from the diffuser to the surroundings at 100 kPa and 25oC...

An adiabatic air compressor with inlet conditions of 100 kPa, 27 C and an exit pressure...

An adiabatic air compressor with inlet conditions of 100 kPa, 27 C and an exit pressure of 500 kPa has an inlet volume flow rate of 5 m3/s and operates in steady flow. Calculate the minimum power required to drive the compressor.

Air is compressed from an inlet condition of 100 kPa, 300 K to an exit pressure...

Air is compressed from an inlet condition of 100 kPa, 300 K to an exit pressure of 1000 kPa by an internally reversible compressor. Determine the compressor power per unit mass flow rate if the device is (a) isentropic, (b) polytropic with n =1.3, (c) isothermal.

Air is compressed from an inlet condition of 100 kPa, 300 K to an exit pressure...

Air is compressed from an inlet condition of 100 kPa, 300 K to an exit pressure of 1000 kPa by an internally reversible compressor. Determine the compressor power per unit mass flow rate if the device is (a) isentropic, (b) polytropic with n =1.3, (c) isothermal.

Octane is burned completely with theoretical air in a steady-flow process at a constant pressure of...

Octane is burned completely with theoretical air in a steady-flow process at a constant pressure of 100 kPa. The products of combustion are cooled to 25 C. Calculate the number of kg of H2O which will condense per kg of fuel.

The inlet pressure of a steam generator is to be held constant at 5.00 MPa. During...

The inlet pressure of a steam generator is to be held constant at 5.00 MPa. During the test, the inlet pressure was measured 120 times. The resolution of the digital pressure gauge used was 0.001 MPa. The number of results, m, is the number of readings falling in an interval of ±0.04 MPa centered about the listed pressure. Pressure, p, in MPa Number of Results, m 4.960 4 4.970 6 4.980 6 4.990 35 5.000 45 5.010 14 5.020 5...

Air is at 100 kPa and 150°C, and undergoes a constant pressure process. The final temperature...

Air is at 100 kPa and 150°C, and undergoes a constant pressure process. The final temperature of the air is 1000°C. a) Compute the specific volume ratio. b) Compute the boundary work (kJ/kg) c) Compute the change in specific internal energy by: 1. Using the tables. 2. Integrating the polynomial (cp) 3. Assuming constant specific heat. d) Repeat c for specific enthalpy e) Compute the heat

One hundred moles of moist air (100 moles) at 25oC and 100 kPa has a dew...

One hundred moles of moist air (100 moles) at 25oC and 100 kPa has a dew point of 16oC. If you want to remove 50% of the initial moisture in the air (at a constant pressure of 100 kPa). 1. Sketch the process. 2. Determine to what temperature should you cool the air? Assume that after removal of 50% of moisture from the air, the final air is saturated.

Calculate the theoretical flame temperature for CO gas burned at constant pressure with 100% excess air,...

Calculate the theoretical flame temperature for CO gas burned at constant pressure with 100% excess air, when the reactants enter at 100°C. Please show work, do not copy the solution founded. show your solution! if you can not answer this question, then do not attempt to copy others' work.

Moist air enters a conditioner operating at steady state at 40oC and 60% relative humidity constant...

Moist air enters a conditioner operating at steady state at 40oC and 60% relative humidity constant pressure process at 1 atm from to. The air is first passed over cooling coils and moisture is removed and then is passed over heating coils to achieve the final state of 18oC dry bulb and 10oC wet bulb. (a) Sketch the process on the psychometric chart and determine (b) the dew point temperature of the mixture at the inlet of the cooling coils...

Question

Consider a constant pressure device. The inlet flow to this device is moist air at 100...

Solutions

Expert Solution

Related Solutions

Consider a diffuser in which air flows steadily. At the inlet of the diffuser the pressure,...

An adiabatic air compressor with inlet conditions of 100 kPa, 27 C and an exit pressure...

Air is compressed from an inlet condition of 100 kPa, 300 K to an exit pressure...

Air is compressed from an inlet condition of 100 kPa, 300 K to an exit pressure...

Octane is burned completely with theoretical air in a steady-flow process at a constant pressure of...

The inlet pressure of a steam generator is to be held constant at 5.00 MPa. During...

Air is at 100 kPa and 150°C, and undergoes a constant pressure process. The final temperature...

One hundred moles of moist air (100 moles) at 25oC and 100 kPa has a dew...

Calculate the theoretical flame temperature for CO gas burned at constant pressure with 100% excess air,...

Moist air enters a conditioner operating at steady state at 40oC and 60% relative humidity constant...