Q3/A combustion chamber consists of tubular combustors of 15-cm diameter. Compressed air enters the tubes at 550 K, 480 kPa, and 80 m/s. Fuel with a heating value of 42,000 kJ/kg is injected into the air and is burned with an air-fuel mass ratio of 40. Approximating combustion as a heat transfer process to air, determine the temperature, pressure, velocity, and Mach number at the exit of the combustion chamber.

Q3/A combustion chamber consists of tubular combustors of 15-cm diameter. Compressed air enters the tubes at 550 K, 480 kPa, and 80 m/s. Fuel with a heating value of 42,000 kJ/kg is injected into the air and is burned with an air-fuel mass ratio of 40. Approximating combustion as a heat transfer process to air, determine the temperature, pressure, velocity, and Mach number at the exit of the combustion chamber.

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

Related questions

Q: QUESTION 1 "Water vapor enters a turbine at 6 MPa and 500 C, and leaves the turbine at 100 kPa with…

Q: The stopping pressure of the air flow at the inlet of a pipe with an inner diameter of 20 cm is 1.1…

A: Given Data: Stopping pressure at inlet Po1=1.1 atm Static pressure at inlet P1=1 atm Static…

Q: Q14 Water flows with a velocity of 5 m/s in a pipe of diameter 300 mm. Further downstream a pipe of…

Q: Soda from a ms=12oz can at temperature Ts=16 degrees celcius is poured in its entirety into a glass…

A: Given Data: Mass of Soda ms=12 oz=12 oz×0.0283 kgoz=0.3396 kg Temperature of soda Ts=16° C Mass of…

Q: Helium at 3 MPa and 700 K enters a throttling valve, where the pressure dropped 300 kPa. What is the…

A: Given data P1= 3MPa , T1= 700K And P2= 300Kpa Find the temperature at the outlet of the valve

Q: What is the specific enthalpy (kJ/kg) and specific entropy (kl/kg-K) of a steam with a specific…

Q: 9. A certain ideal gas whose R = 278.6 1/kgm.K and C₂ = 1.015 kJ/kgm.K expands isentropically from…

A: GivenR=278.6 J/kgKCp=1.015 kJ/kgK=1015 J/kgKPVy=ConstantP1=1517 kPaT1=288oC=288+273=561KP2=965…

Q: 4. It is important to remember that the isentropic relations and normal shock relations are…

A: To determine the Mach number of the given total temperature static pressure is and to determine…

Q: 225kg/hr of air at 40 oC enter a mixing chamber where it mixes with 540kg/hr of air at 15 oC.…

A: air 1 enter at temperature T1=40oC=313Kmass flow rate m1=225kg/hrair 2 enter at temperature…

Q: An ideal gas flows through a passage that first converges and then diverges during an adiabatic,…

Q: Q.101 A mixture of gases expands from 0.03 m to 0.06 m at a constant pressure of 1 MPa and absorbs…

A: First law of thermodynamics states that if Q amount of heat is supplied to any system, then it…

Q: Problem 2. Ideal gas Oxygen (O2) flows through a well-insulated (adiabatic) nozzle. The…

A: (1) Solution : As the oxygen is ideal gas. The density of oxygen at point 1 is calculated as :

Q: 1.2 L car engine has four individual cylinders, each one of which holds 0.3 L of fuel + air gas…

Q: How do you calculate the partial pressure of water vapour in the mixture of gases constituting flue…

Question

Q3/A combustion chamber consists of tubular combustors of 15-cm
diameter. Compressed air enters the tubes at 550 K, 480 kPa, and 80 m/s.
Fuel with a heating value of 42,000 kJ/kg is injected into the air and is
burned with an air-fuel mass ratio of 40. Approximating combustion as a
heat transfer process to air, determine the temperature, pressure, velocity,
and Mach number at the exit of the combustion chamber.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Step by step

Solved in 5 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

2. Humid air at 35o C and a pressure of 1 atm and with 98% relative humidity enters a condenser in which the temperature is lowered isobarically (pressure is constant) to 15o C. Part of the water condenses and coexists with the remaining air. The remaining air leaves the condenser flowing through a 20-cm diameter duct at a velocity of 10 m/s. Calculate the rate (moles water/s) at which water condenses.
Calculate the volume, density, enthalpy and entropy of 2 kg of steam at 80°C and dryness fraction of 0.85. From steam Table 1 (Appendix A-1), the specific properties of steam at t = 80°℃ 4₂ (°C) P V₂ Specific entropy Specific enthalpy (kJ/kg) (kJ/kg) (bar) (m³/kg) he hig hg St Sig 80 0.4736 3.409 334.9 2308.8 2643.7 1.075 6.538 7.613 | |
Show that a perfect gas undergoing an ideal adiabatic throttling process will not change temperature; then show that a real gas (use propane, as the example) will change temperature under ideal throttling. Choose the initial conditions of a typical propane canister at room temperature and its saturated pressure condition.
3. Water vapor enters a subsonic diffuser at a pressure of 70 kPa, 160°C and 180 m/s. The inlet to the diffuser is 100 cm². During passage through the diffuser the fluid velocity is reduced to 60 m/s, the pressure increases to 100 kPa, and the heat transfer to the surroundings is 0.6 kJ/kg. Determine (a) the final temperature, (b) the mass flow rate in kg/s, and (c) the outlet area in cm². P₁ = 0.7 bar T₁ = 160°C V₁ = 180 m/s (2) A₁ = 100 cm² Steam (1) Yout 0.6 kJ/kg) m2 V₂ = 60 m/s P2 = 1.0 bar
Reconsider Prob Using appropriate software, investigate the effect of the exit pressure of steam on the exit temperature after throttling. Let the exit pressure vary from 6 to 1 MPa. Plot the exit temperature of steam against the exit pressure, and discuss the results.
Please don't give image based answer..thanku Question:- Water vapor enters a continuous flow adiabatic turbine at 9 MPa pressure, 450 o C temperature and 188 m/s velocity, and exits at 50 m/s speed at 20 kPa pressure and 92% dryness. Calculate the turbine inlet cross-sectional area since the mass flow rate of the steam is 12kg/s.
calculate
During the expansion process of the ideal Ottocycle, the gas is a mixture whose volumetric composition is25 percent nitrogen, 7 percent oxygen, 28 percent water, and40 percent carbon dioxide. Calculate the thermal efficiency ofthis cycle when the air at the beginning of the compression isat 12 psia and 55°F, the compression ratio is 7, and the maxi-mum cycle temperature is 1600°F. Model the heat-additionand heat-rejection processes using constant gas properties thatare the average of the air and expansion gas properties.
What is the molecular weight, enthalpy (kJ/kg), and entropy (kJ/(kg K)) of a gas mixture at P = 1000 kPa and T = 1000 K, if the mixture contains the following species and mole fractions? Species 3₁ CO₂ H₂O N₂ CO 0.10 0.15 0.70 0.05
Carbon dioxide enters an adiabatic nozzle at 1200 K with a velocity of 50 m/s and leaves at 400 K. Assuming constant specific heats at room temperature, determine the Mach number at the exit of the nozzle. For CO2 at room temperature (25 °C), R = 188.9 J/kg∙K, cp = 843.9 J/kg∙K, cv = 655 J/kg∙K.
3. An air stream, which is traveling at a Mach number of 1.8, undergoes a normal shock wave. The stagnation pressure and temperature before the normal shock wave are 150 kPa and 350 K, respectively. Determine a) the temperature and the pressure after the normal shock wave, b) the Mach number and the velocity after the normal shock wave and c) the stagnation temperature and pressure after the shock wave and d) the entropy change across the normal shock wave (Ans. a) 325.4 K, 94.3 kPa, b) 0.6165, 223 m/s, c) 350 K, 122.2 kPa, d) 59.55 J/kgK)