A four-stage single-acting air compressor running in an atmospheric at 87 kPa and 15°C has a F.A.D of 2.83 m³/min. The section pressure and temperature are 80 kPa and 32 °C respectively, the delivery pressure is to be 7 MPa. The temperature at the start of compression in each stage is 32 °C, take n=1.3 for all stages. With reference to formula file the applicable formual nuber to find the intermedia pressure is The intermidiate pressure ratio is (to 3 decimal places), The intermidiate pressure at first, second and third stage in kPa to 1 decimal place are:

A four-stage single-acting air compressor running in an atmospheric at 87 kPa and 15°C has a F.A.D of 2.83 m³/min. The section pressure and temperature are 80 kPa and 32 °C respectively, the delivery pressure is to be 7 MPa. The temperature at the start of compression in each stage is 32 °C, take n=1.3 for all stages. With reference to formula file the applicable formual nuber to find the intermedia pressure is The intermidiate pressure ratio is (to 3 decimal places), The intermidiate pressure at first, second and third stage in kPa to 1 decimal place are:

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

Q1)A steam with a quality of 9%, enters an adiabatic nozzle at 3 5 MPa and leaves at 0.4 MPa and 140°C with a floww of 2.7 m/s. Find the entrance velocity, in m/s. Maximum size for new files: 0 bytes Files,
-) A 5-stage compressor has intake conditions of 100 kPa and 20C. The air must be discharged at 900 kPa. Find the compressor work and heat rejected if the compression is isentropic, and the intercooler pressures.
Thermodynamic
IN A THROTTLING VALVE, steam of P = 1000 kPa H = 1000kJ/kg flows until P becomes 100kPa. What is the fraction of the liquid that was vaporized? a.0.118 b.0.189 c.0.159 d.0.140 e.0.258
Q6/ A single compressor system using 134a has a three evaporators of 5, 15 and 20 tons capacities. All evaporators operating at the same temperature of 0 °C. The condenser pressure is 12 bar and the refrigerant exit of the condenser as a sub cool at 40 °C. The discharge from the evaporator is dry saturated vapour *: and the compression is assumed to be isentropic. The cop is
10. For the flow in reciprocating compressor, the change in the kinetic energy is maximum
4
Ex1/ air has pressure 100 kN/m and temperature 20°C this air is compressed by adiabatic process at rate 10 kg/s if he pressure ratio is ). If the isentropic efficiency is 0.85 calculate the final temperature and pressure and power consumed by compressor. Sol/
PROBLEM 2.0 The working substance for a Carnot cycle is 9 Ib of air. The volume at the beginning of isothermal expansion is 10 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90°F. Find The heat added BTU. The heat rejected in BTU. The mean effective pressure in psi The ratio of expansion during the isentropic process The overall ratio of compression.
Q4 a- The pressure inlet for air compressor is 14 psi ,60 F and the output of 140 psi at 1080 R .This output passes through a cooler of constant pressure .if the exit air out of cooler is 540R find the specific work and specific heat of this compressor .use the table below in case.
Please show your complete solution. Thank you! During the reversible process executed by the non-flow system, the pressure increases 334.79 kPa to 1378.96 kPa in accordance with PV=C and the internal energy increase is 22, 577 J, the initial volume is 85 liters. Find the heat.