Answered: T2 = 390 K Vz = ? P, = 300 kPa = 400 K…

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T2 = 390 K Vz = ? P, = 300 kPa = 400 K v, = 20 m/sec D1 = 15 cm P1 = ? T1 m =?

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.3.15P: Solve the preceding problem for a welded Tank with a = 62°,r = 19 irM = 0.65 in.,p = 240 psu E = 30...

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Question

Problem 2. Ideal gas Oxygen (O₂) flows through a well-insulated (adiabatic) nozzle. The cross-section of the nozzle is circular and has a diameter of 15 cm at Station 1. Also, at Station 1 the flow has a pressure of 300 kPa, a temperature of 400 Kelvin, and a velocity of 20 m/sec. At Station 2, the temperature is 390 Kelvin. Friction can be neglected. Please see the attached figure. Find the following:

The density at Station 1: ρ₁ ______________________________ kg/m³, and the mass flow through the nozzle: ṁ = ________________________kg/sec.

2. Enthalpy change between Stations 1 and 2: (h2 - h1)= _________________ J/kg

3. Velocity at Station 2: _{V2_______________________ m/sec}

T2 = 390 K
Vz = ?
P, = 300 kPa
= 400 K
v, = 20 m/sec
D1 = 15 cm
P1 = ?
T1
m =?

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