Air enters an adiabatic nozzle at 400 kpa Assuming air to be an ideal gas with constant specific heats and disregarding any irreversibilities, determine the exit velocity of the air. Air enters an adiabatic nozzle at 300 kPa, 200 C, and 30 m/s. Question: Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. 02 kJ/kg. Question: Air enters an adiabatic nozzle at 400 kPa, 277 °C, and 60 m/s and exits at 80 kPa. The inlet area of the nozzle is 100 cm2. Find step-by-step Engineering solutions and the answer to the textbook question Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m / s and leaves at $300 kPa$ and $350 K$. The exit area of the nozzle is closest to Assume Cp=1 kJ/kgK of air A converging nozzle has a throat area of 6 cm 2 and stagnation air condition of 120 kPa and 400 K. What is the velocity at Air enters a well-insulated nozzle with a pressure of 1100 kPa, a temperature of 626. T Question: Air at 400 kPa and 400 K enters an adiabatic nozzle at a velocity of 40 m/s and leaves at 250 kPa and 360 K. Air enters an adiabatic nozzle at 500 kPa, 650^{\circ}C. If the isentropic efficiency of the nozzle is 90 percent, determine the exit temperature and pressure of the air. eta_N = Round to three decimal places. Find step-by-step Engineering solutions and the answer to the textbook question Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. Determine the exit velocity. 85 ^oC, and a velocity of 40 m/s. Question: Air enters an adiabatic nozzle steadily with a pressure of 400 kPa, 500 K, and a velocity of 50 m/s. Determine: a) The exit temperature, Steam enters an adiabatic turbine at 8 MPa and 500 degrees Celsius with a mass flow rate of 3 kg/s and leaves at 30 kPa. 5 m/s The air leaves the nozzle at 850 kPa and 480 ∘∘C. . asked Jun 15, 2023 in Physics by Rutulshah ( 48. 02 kJ/kg. Assuming air to be an ideal gas with variable specific heats and disregarding any irreversibilities , determine the exist velocity of the air Question: Air (ideal gas) enters an adiabatic nozzle steadily at 200 kPa, 600°C,and 60 m/s and leave at 70 kPa and 400 °C. Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet to exit area ratio of 2:1 with a velocity of 380 m/s. Determine: (25 points) a) Exit temperature, °C (14 points) b) Final velocity (11 points) Air at 800 kPa and 400 degrees C enters a steady-flow nozzle with a low velocity and leaves at 100 k P a 100 \mathrm{kPa} 100 kPa. The inlet area of the nozzle is 75 cm 2. The inlet area of the nozzle is 110 cm2. 85^{\circ}C, and a velocity of 40 m/s. Answers: (a) 437 K, (b) 331 kPa. 0 m/s and leaves at 150 kPa with a velocity if 150 m/s. Determine the exit temperature. 753 kJ/kg-C; and R=0. Determine (a) The isentropic efficiency (b) The exit velocity (c) The entropy generat; Refrigerant-134a at 200 kPa and 25 C flows through a refrigeration line. Question: air enters an adiabatic nozzle at 400 Kpa , 277C and 60 m/s and exists at 80 kpa. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air and (c) the exit area of the nozzle. Use variablespecific heats. Air enters an adiabatic nozzle at 230 kPa, 600°C with a velocity of 60 m/s as shown in Figure P3. Using variable specific heats, determine (a) the isentropic efficiency, (b) the exit velocity, and (c) the entropy generation Air 500 kPa 400 K 30 m/s 300 kPa 350 K Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. The exit area of the nozzle is closest to (Assume C p =1 kJ/kgK of air) Find step-by-step Engineering solutions and the answer to the textbook question Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m / s and leaves with a velocity of 380 m / s. Feb 26, 2022 · Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. An adiabatic air compressor is to be powered by a direct coupled adiabatic steam turbine that is also driving a generator. It exits at 200 kPa and a velocity of 151. (b) the exit velocity, and (c) the entropy generation. 1- Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. Determine (a) The isentropic efficiency (b) The exit velocity (c) The entropy generat; Air enters a nozzle steadily at 200 kPa and 65 C with a velocity of 35 m/s and exits at 95 kPa and 240 m/s. It exits the nozzle at a pressure of 100 kPa. Determine (a) The isentropic efficiency (b) The exit velocity (c) The entropy generat; Air enters a compressor at a steady volume flow rate of 50 m ^3/min. Determine (a) The exit temperature and (b) The exit pressure of the air. The air exits at 50 kPa. Accounting for the change in kinetic energy of the air, determine the change in specific flow exergy of air in this process. Using variable specific heats, determine the following: (a) The isentropic efficiency. Determine (a) the mass flow rate (m ⋅), (b) the exit temperature (T 2) of the air, (c) the exit area of the nozzle and (d) the rate of entropy generation (S ⋅ gen,univ) in the nozzle's universe. 5 MPa and 500 C at a rate of 25 kg/sec and exits at 10 kPa and a quality of . 2k points) thermodynamics Determine (a) the exit temperature and (b) the exit pressure of the air. Assuming the nozzle process to be reversible, determine the exit temperature of the air. a) Assuming an isentropic efficiency of 85%, and negligible inlet velocity, what is the exit temperature, area, an; Air enters an adiabatic nozzle at 500 kPa and a temperature of 200 o C with a velocity of The exit temperature of the air is 777 K and the exit pressure is 747 kPa, using the given initial conditions of 400 kPa and 547C for an adiabatic isentropic nozzle. Air at 500 kPa and 400 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 3:1 with a velocity of 100 m's and leaves with a velocity of 400 m/s. at 250 kPa P 400 kPa T-250 C 40 m/sAIR250 kPa A) Determine the mass flow rate through the nozzle (kg/'s). why we ignored the value of mass flow rate in the step which is Air enters an adiabatic nozzle at 400 kPa and 900 K with negligible velocity . Determine (a) The isentropic efficiency (b) The exit velocity (c) The entropy generat; Air enters an adiabatic turbine steadily at 1600 kPa and 450 degrees C with a velocity of 55. 3-D view of a nozzle Cross-sectional view of a nozzle Solution: Jun 15, 2023 · Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. 7 m/s The air leaves the nozzle at 850 kPa and 480 o C. The mass flow rate is 2 kg/s and the inlet area is 1 m^2. Determine ( a ) the exit temperature and ( b ) the exit pressure of the air. Assuming that the expansion through the nozzle occurs ; Air enters an adiabatic nozzle at 45 psia and 940 F with low velocity and exits at 650 ft/s. 5–30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. (Answer: 0. Given R=0. Find step-by-step Engineering solutions and the answer to the textbook question Air at 800 kPa and 400 degrees C enters a steady-flow nozzle with a low velocity and leaves at $100 \mathrm{kPa}$. 92. Assuming that the expansion through the nozzle occurs ; Air enters an adiabatic nozzle at 500 kPa, 650^{\circ}C. Air enters the compressor at 98 kpa and 295 K at a rate of 10 kg/sec and exits at 1 MPa and 620 K. Air enters an air compressor operating at a steady state with a volumetric flow rate of 37 m 3 per minute at 136 kPa and 305 K. Assume the following property values for air: Cp=1. The gas constant of air is 0. 3. The dead state can be considered to be 100 kPa, 20°C. Using variable specific heats, determine: (a) The isentropic efficiency (b) The exit velocity (c) The entropy generation May 13, 2023 · The correct answer is 3) a) 0. The inlet area of nozzle is 60 cm2. 2 kg/s. 16: Steam flows steadily through an adiabatic turbine. 005 kJ/KgK Air enters an adiabatic nozzle at 400 kPa and 54 7 ∘ C with low velocity and exits at 240 m / s. The ; Air enters an adiabatic nozzle at 300 kPa, 200 C, and 30 m/s. Determine the exit pressure of the air. Question: (6 points) Air at 570 kPa and 400 K enters an adiabatic nozzle at a negligible velocity and leaves at 160 kPa and 350 K. Air enters an adiabatic nozzle steadily at 400 kPa, 200 o C, 35m/s and leaves at 150 kPa, 180 m/s. The inlet area of the nozzle is $80 \mathrm{~cm}^{2}$. Mar 13, 2024 · Air at 800 kPa and 400°C enters a steady-flow nozzle with a low velocity and leaves at 40 kPa. 7 cm 2 Problem 1: Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. Air at 500 kPa and 400 k enters an adiabatic nozzle which has inlet to exit area ratio of 3:2, velocity of the air at the entry is 100 m/s and the exit is 360 m/s. Aug 19, 2024 · Thermodynamics 5-39Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 45 m/s and leaves at 100 kPa and 180 m/s. Create an engineering model with at least three (3) assumptions Determine: (a) The mass flow rate through the nozzle, (b) The exit temperature of the air, and (c) The exit area of the Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. At the nozzle exit, the air is at 70 kPa, 450°C. Show transcribed image text Q. The inlet of the nozzle is 90 cm^2 Find: A) The mass flow rate (kg/s) B) Exit temperature of the air in degrees C C) The exit area of the nozzle in cm Question: Air enters an adiabatic nozzle at 400 kPa and 547 degree C with low velocity and exits at 240 m/s. If the air undergoes an adiabatic expansion process through the nozzle, what is the maximum velocity of the air at the nozzle exit in m/s? Use the table containing the ideal gas specific heats of various common gases. What is the velocity at the exit of the nozzle? Assume the specific heat is constant and can be taken at the average temperature between the inlet and outlet. Assume air to be an ideal gas, use constant specific heat values from the inlet temperature, and do NOT neglect kinetic energy in your energy balance. The inlet area of the nozzle is 75 cm2. Determine (a) The isentropic efficiency (b) The exit velocity (c) The entropy generat; Consider an adiabatic nozzle with air entering at 300 k and 450 kpa and a velocity of 20 m/s. , isentropic) process. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and(c) the exit area of the nozzle. The air is to exit at 100 kPa with velocity of 180 m/s. Question: Air at 800 kPa and 400°C enters a steady-flow nozzle with a low velocity and leaves at 120 kPa. We need to determine the exit pressure and temperature. Air enters an adiabatic nozzel steadily at 400 kPa, 250 oC, and 40 m/s and leaves and 70 m/s. Question: Air enters an adiabatic nozzle at 400 kPa and 547°C with low velocity, and exits at 350 kPa and 240 m/s. Determine the isentropic efficiency. K. The inlet area of the nozzle is 80 cm 2. The inlet area of the nozzle is 1 Air enters an adiabatic nozzle at 400 k P a 400 \mathrm{~kPa} 400 kPa and 54 7 ∘ C 547^{\circ} \mathrm{C} 54 7 ∘ C with low velocity and exits at 240 m / s 240 \mathrm{~m} / \mathrm{s} 240 m / s. Air enters an adiabatic nozzle steadily at 300 kPa, 200°C and 20 m/s and leaves at 100 kPa and 200 m/s. Air enters an adiabatic nozzle steadily at 400 kPa, 200°C, and 40 m/s and leaves at 120 kPa and 210 m/s. If the flow is ideal and exit pressure is 100 kPa, find the exit temperature in K and the exit velocity in m/s. To Air Enters An Adiabatic Isentropic Nozzle At 400 KPa And 547oC With A Low Velocity And Exits At 340 M/s. Determine (a) the exit temperature and (b) the exit pressure of the air 2. Feb 12, 2010 · Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. 925 m/s c) 0. 287 kJ/kg-C 1. Answers: (a) 0. °C. Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 45 m/s and leaves at 105 kPa and 180 m/s. Question: Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 100 m/s and leaves at 250 kPa and 350 K. The inlet area of the nozzle is 100 c m 2. The velocity of the air stream is decreased from $230$ to $30 \mathrm{~m Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. Air enters an adiabatic nozzle steadily at 300 kPa, 200 ∘ ^{\circ} ∘ C, and 45 m/s and leaves at 100 kPa and 180 m/s. Question: Air at 560 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. Determine a. Find (a) the exit temperature of the air and (b) the exit area of the diffuser. B) Determine the exit tempature of the air (°C). Air at 500 kPa and 400 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 3:1 with a velocity of 100 m/s and leaves with a velocity of 400 m/s. Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. 5-39 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 45 m/s and leaves at 100 kPa and 180 m/s. 5304 kg/s, (b) 184. 11. Question: 13. The enthalpy of air at the inlet temperature of 500 K is h1 = 503. Air enters an adiabatic nozzle steadily at 300 kPa, 200 ∘ ^\circ{} ∘ C, and 45 m/s and leaves at 100 kPa and 180 m/s. 0284 kJ/kg-K) Show transcribed image text Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m / s and leaves with a velocity of 380 m / s. 2. 040 kJ/kg-C; Cv=0. The inlet area of the nozzle is 110 cm 2 ^2 2. Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. The air is to exit at 100 kPa with velocity of Find step-by-step Engineering solutions and the answer to the textbook question Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. Air enters an adiabatic nozzle at 400 k P a 400 \mathrm{~kPa} 400 kPa and 54 7 ∘ C 547^{\circ} \mathrm{C} 54 7 ∘ C with low velocity and exits at 240 m / s 240 \mathrm{~m} / \mathrm{s} 240 m / s. Determine the exit pressure and temperature. Question: Air at 500 kPa and 400 K enters an adiabatic nozzle ai a velocity of 30 m/s and leaves at 300 kPa and 350 K. Determine The exit temperature and pressure of the air. If the air undergoes an adiabatic expansion process through the nozzle, what is the maximum velocity of the air at the nozzle exit in $\mathrm{m Find step-by-step Engineering solutions and your answer to the following textbook question: Air enters an adiabatic nozzle steadily at $300 \mathrm{~kPa}$, $200^{\circ} \mathrm{C}$, and $30 \mathrm{~m} / \mathrm{s}$ and leaves at $100 \mathrm{~kPa}$ and $180 \mathrm{~m} / \mathrm{s}$. Steam enters the turbine at 12. 47 kg/s, (b) 231. if the isentropic efficiency of the nozzle is 90 percent. The inlet area of the nozzle is 110 cm^2. Find step-by-step Engineering solutions and your answer to the following textbook question: Air at $80 \mathrm{~kPa}$ and $127^{\circ} \mathrm{C}$ enters an adiabatic diffuser steadily at a rate of $6000 \mathrm{~kg} / \mathrm{h}$ and leaves at $100 \mathrm{~kPa}$. 7-119 Air enters an adiabatic nozzle at 400 kPa and 547°C with low velocity and exits at 240 m/s. Determine (a) The isentropic efficiency (b) The exit velocity (c) The entropy generat; Air enters a well-insulated nozzle with a pressure of 1100 kPa, a temperature of 626. Use the table containing the ideal gas properties of air. The air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. (4 points) Air enters an adiabatic nozzle steadily at 400 kPa, 250°C, and 50 m/s and leaves at 150 kPa and 200 m/s. Jan 17, 2025 · Solution For Air enters an adiabatic nozzle at 300 kPA, and 400C, and velocity of 50 m/s and exits at 85 kPA. Question: Example Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. 287 kPa. Air enters an adiabatic nozzle steadily at 400 kPa, 250°C, and 40 m/s and leaves at 200 kPa and 200 m/s. Air enters an adiabatic nozzle under the following conditions: pressure = 900 kPa temperature = 590 o C velocity = 2. (b) The exit velocity. Question: w Air enters an adiabatic nozzle steadily at 400 kPa, 300°C, and 30 m/s and leaves at 100 kPa and 200 m/s. Using variable specific heals, determine (a) the isentropic efficiency. Paç Apr 7, 2020 · Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. The inlet area of the nozzle is 80 cm². Using variable specific heats, determine $(a)$ the isentropic efficiency, $(b)$ the exit velocity, and $(c)$ the entropy generation. 3-D view of a nozzle Cross-sectional view of a nozzle Solution: Jun 9, 2023 · Air at 500 kPa and 400 k enters an adiabatic nozzle which has inlet to exit area ratio of 3:2, velocity of the air at the entry is 100 m/s and the exit is 360 m/s. The air exits at a pressure of 680 kPa and a temperature of 400 K. The adiabatic efficiencies of these devices are defined as 7–104 Steam enters an adiabatic turbine at 8 MPa and 500°C with a mass flow rate of 3 kg/s and leaves at 30 kPa. 319 b) 0. 8°C, and (c) 71 cm2) Air Find step-by-step Engineering solutions and your answer to the following textbook question: Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. e. The nozzle has inlet area of 80 cm . The nozzle isentropic efficiency is 85%. (c) The entropy generation. What is the isentropic efficiency of the nozzle? % What is the actual) exit velocity of the air? m S What is the rate of entropy generation for this turbine? kJ kg K Question: Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 375 K. Chapter 7 problem Air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. Using variable specific heats determine a) The isentropic efficiency b) The exit velocity; Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet to exit area ratio of 2:1 with a velocity of 380 m/s. The velocity of the air at the entry is 100 m/s, and at the exit, it is 360 m/s. Question: 15: Air at 650 kPa and 550 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 400 m/s. Feb 19, 2024 · Air enters an adiabatic nozzle at 300 kPa, 500 K with a velocity of 10 m/s. To solve this problem, we can use the principle of conservation of mass and the adiabatic flow equation. It leaves the nozzle at 100 kPa with a velocity of 180 m/s. In an adiabatic nozzle, the process is assumed to be **reversible **and adiabatic, meaning there is no heat transfer and the entropy remains constant. 90. Question: Air (ideal gas) enters an adiabatic nozzle steadily at 200 kPa, 600°C,and 60 m/s and leave at 70 kPa and 400 °C. If the isentropic effi- ciency of the nozzle is 90 percent, determine the exit tempera- ture and pressure of the air. The velocity of the airstream is decreased from 230 to 30 m / s as it passes through the diffuser. Jan 2, 2025 · Air at 500 kPa and 400 K enters an adiabatic nozzle that has an inlet to exit area ratio of 3:1 with a velocity of 100 m/s and leaves with a velocity of 400 m/s. Determine the following nformation: a. The specific heat of air at the anticipated average temperature of 450 K is Cp=1. The specific heat of air C P, is 1008 J/kg. The refrigerant-134a at 120 kPa with a quality of 0. Determine (a) the exit temperture, and (b) the exit pressure of the air. P1 = 300 kPa T1 = 200°C Vi = 45 m/s 11 - 110 cm? Air enters an adiabatic nozzle steadily at 300 kPa, 200 ∘ ^\circ{} ∘ C, and 45 m/s and leaves at 100 kPa and 180 m/s. Using CONSTANT SPECIFIC HEATS, determine: (a) the isentropic efficiency (b) the exit velocity (c) the entropy generation The air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. If the flow is ideal and exit pressure is 100 kPa, the exit temperature in K and the exit velocity in m/s are respectively?Solution:Given,Inlet pressure (P1) = 400 kPaInlet temperature (T1) = 900 KExit Pressure (P2) = 100 kPaVelocity at the inlet (V1) = 0 m/sAssumption:The flow is ideal and Problem 1: Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. Air at 80 kPa and 127 degree C enters an adiabatic diffuser steadily at a rate of 6000 kg / h and leaves at 100 kPa. Using variable specific heats, determine (a ) the isentropic efficiency, (b) the exit velocity, and (c) the entropy generation. V_2 = m/s Round to one decimal place. Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s, and leaves at 375°C and 400 kPa while losing heat at a rate of 25 kW. (Use: T0= 20°C) Air at 500 kpa and 400K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kpa and 350K. Problem Statement:Air enters an adiabatic nozzle at 400 kPa and 900 K with negligible velocity. Using variable specific heats, determine (a) the isentropic efficiency, (b) the exit velocity, and (c) the entropy generation. The isentropic efficiency of the turbine is 0. Question: Air enters an adiabatic nozzle at 500 kPa and 400 K with a velocity of 80 m/s and exits at 400 kPa and 350 K (a) What is the velocity at the nozzle exit? (b) What will happen to the exit velocity if there was heat loss during the expansion? Air at 600 kPa and 500 K enters an adiabatic nozzle that has an inlet-to-exit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 380 m/s. 3 enters the evaporator at a rate of 2 kg/min and leaves as saturated vapor at the same pressure. C) Determine the exit area of the nozzle (m2). Question: Air @ 600 Kpa and 500 K enters an adiabatic nozzle that has an inlet to exit area ratio of 2:1 w/ a velocity of 380 m/s. Determine (a) The exit temperature, (b) The exit pressure of the air. 287 kJ/KgK Cp=1. Assuming constant specific heats, determine the change in specific entropy. STEAM 2- Air at 80 kPa, 27°C, and 220 m/s enters a diffuser at a rate of 2. 00 m/s and leaves at 300 kPa and 350 K. 6°C, (c) 38. Determine (1) The mass flow rate through the nozzle, (11) The exit temperature of the air, and (111) The exit area of the nozzle. 8552 m/s. The inlet area is 80 cm 2. It exits at 300 kPa. 5 kg/s and leaves at 42°C. Solution The ideal process for all three devices is the reversible adiabatic (i. The air exits at 200 kpa and 250 k. Air enters a horizontal, adiabatic nozzle at 400 kPa and 247 C, with an initial velocity of 60 m/s, and exits at 80 kPa. determine (a) the exit temperature and (b) the exit pressure of the air. Jun 21, 2023 · The air at 500 kPa and 400 k enters an adiabatic nozzle with an inlet to exit area ratio of 3:2. For an inlet area of 800 cm 2 , determine the velocity and the volume flow rate of the steam at the nozzle exit. Air enters an adiabatic nozzle at 500 kPa and a temperature of 200 o C with a velocity of 100 m/s. Using variable specific heats, determine (a) the exit velocity in m/s and (b) the isentropic efficiency of the nozzle in %. Determine the entropy generation per unit mass. (Answer (a) 1. Using variable specific heats determine a) The isentropic efficiency b) The exit velocity; Air is compressed by an adiabatic compressor from 100 kPa and 12 C to a pressure of 800 kPa at a steady rate of 0. Determine the exit temperature of the air. Compute the exit pressure and mass flows if the backpressure is, (a) 90 kPa and (b) 45 kPa. Using variable specific heats determine a) The isentropic efficiency b) The exit velocity; Air enters an adiabatic nozzle at 500 kPa, 650^{\circ}C. If the air undergoes an adiabatic expansion process through the nozzle, what is the maximum velocity of the air at the nozzle exit in m / s \mathrm{m} / \mathrm{s} m / s? Question: 073) Air at 500 kPa and 400 K enters an adiabatic nozzle at avelocity of 50. The exit temperature b. If the flow is ideal and the exit pressure is 100 kPa, then The air at 500 kPa and 400 K enters an adiabatic nozzle at a velocity of 30 m/s and leaves at 300 kPa and 350 K. Using variable specific heats, determine (a) the isentropic efficiency (b) the exit velocity (c) the entropy generation Air 500 kPa 400 K 300 kPa 350 K 30 m/s Air enters an adiabatic nozzle at 400 kPa and 900 K with negligible velocity. Determine the entropy generation in (kJ/kg K) Air enters the evaporator of a window air conditioner at 100 kPa and 27 ∘ ^\circ{} ∘ C with a volume flow rate of 6 m^3/min. Determine the exit temperature and the isentropic efficiency of the nozzle, assuming (a) constant specific heats at room temperature, and (b) variable specific heats. Exit velocity of the air (m/s) b. (Use: T0= 20°C) Question: Air enters an adiabatic nozzle under the following conditions: pressure = 900 kPa temperature = 590 ∘∘C velocity = 2. 012 kJ/kg⋅K. Jan 17, 2025 · Air enters a reversible, adiabatic nozzle at 400 kPa, 277°C, and 60 m/s. The inlet area of the nozzle is 80 cm2. mp/kg. Determine (a) the exit temperature and (b) the exit pressure of the air. Using variable specific heats, determine (a) the exit velocity, (A) the isentropic efficiency, and (c) the entropy generation. mqczeo wnuz uozm dyuzpqt ipfe hkqmte qeg ktijyo jzx cdpq bcnvor xwoab arrfn nbyinbx gwjh