Elementary Principles of Chemical Processes 4e Binder Ready Version + WileyPLUS Registration Card (Wiley Plus Products)
Elementary Principles of Chemical Processes 4e Binder Ready Version + WileyPLUS Registration Card (Wiley Plus Products)
4th Edition
ISBN: 9781119231240
Author: Richard M. Felder
Publisher: Wiley (WileyPLUS Products)
Question
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Chapter 7, Problem 7.56P
Interpretation Introduction

(a)

Interpretation:

To calculate the velocity at point 2 by neglecting friction.

Concept introduction:

Following assumptions are made in the derivation of Bernoulli’s equation:

  • The liquid is ideal and incompressible.
  • The flow is at steady state and continuous.
  • The flow is along the streamline
  • The velocity is uniform over the section and is equal to the mean velocity.
  • The only force acting on the fluid are gravity forces and the pressure forces.
  • Now apply Bernoulli equation at point 1 and 2
    P1ρg+V212g+z1=P2ρg+V222g+z2+hf ………………(1)
    Where

    • P1 & P2 are pressure at section I and 2.
    • V1 & V2 are velocity at section 1 and 2.
    • z1 & z2 are the elevation from the horizontal at section 1 and 2.
    • hf is the frictional losses

    Interpretation Introduction

    (b)

    Interpretation:

    To determine the diameter at point 1 if the pipe diameter at point 2 is 6.00 cm.

    Concept introduction:

    Mass balance for study flow processes:

    The total amount of mass within the control volume does not change with time.

    So that, the total amount of mass entering a control volume equal to the total amount of mass leaving it.

    If the mass flow is m. kg/s and volumetric flow rate is v. m3/s
    Then from conservation of mass for steady flow process will be as follows
    min.=mout. (Kg/s)
    Where min. = (? ×A ×V) in mout.

    • = (? A× V)out
    • Conservation of mass at section 1 and section 2.

    ρ1A1V1=ρ2A2V2

    If density is constant then above equation reduce to
    A1V1=A2V2

    • A is the area at respective section of the flowing processes
    • V is the velocity at respective section
    • ? is the density of flowing fluid in control volume

    Blurred answer

    Chapter 7 Solutions

    Elementary Principles of Chemical Processes 4e Binder Ready Version + WileyPLUS Registration Card (Wiley Plus Products)

    Ch. 7 - Prob. 7.11PCh. 7 - Prob. 7.12PCh. 7 - A piston?tted cylinder with a 6-cm inner diameter...Ch. 7 - Prob. 7.14PCh. 7 - Prob. 7.15PCh. 7 - Prob. 7.16PCh. 7 - Prob. 7.17PCh. 7 - Prob. 7.18PCh. 7 - Prob. 7.19PCh. 7 - Prob. 7.20PCh. 7 - Air is heated from 25°C to 140°C prior to entering...Ch. 7 - Prob. 7.22PCh. 7 - Prob. 7.23PCh. 7 - Prob. 7.24PCh. 7 - Prob. 7.25PCh. 7 - The conversion of the kinetic energy of wind to...Ch. 7 - Prob. 7.27PCh. 7 - Prob. 7.28PCh. 7 - Liquid water is fed to a boiler at 24°C and 10 bar...Ch. 7 - Prob. 7.30PCh. 7 - Prob. 7.31PCh. 7 - Saturated steam at a gauge pressure of 2.0 bar is...Ch. 7 - Prob. 7.33PCh. 7 - Prob. 7.34PCh. 7 - Prob. 7.35PCh. 7 - Prob. 7.36PCh. 7 - Prob. 7.37PCh. 7 - Prob. 7.38PCh. 7 - Prob. 7.39PCh. 7 - Prob. 7.40PCh. 7 - Prob. 7.41PCh. 7 - Jets of high-speed steam are used in spray...Ch. 7 - The following diagram shows a simpli?ed version of...Ch. 7 - Three hundred L/h of a 20 mole% C3H880 nC4H10gas...Ch. 7 - Air at 38°C and 97% relative humidity is to be...Ch. 7 - A mixture containing 65.0 mole% acetone (Ac) and...Ch. 7 - Superheated steam at T1(°C) and 20.0 bar is...Ch. 7 - Prob. 7.48PCh. 7 - Prob. 7.49PCh. 7 - Eight fluid ounces (1 qt = 32 oz) of a beverage in...Ch. 7 - Prob. 7.51PCh. 7 - Prob. 7.52PCh. 7 - Prob. 7.53PCh. 7 - Prob. 7.54PCh. 7 - Prob. 7.55PCh. 7 - Prob. 7.56PCh. 7 - Prob. 7.57PCh. 7 - Prob. 7.58PCh. 7 - Prob. 7.59PCh. 7 - Prob. 7.60PCh. 7 - Prob. 7.61PCh. 7 - Prob. 7.62PCh. 7 - Arsenic contamination of aquifers is a major...Ch. 7 - Prob. 7.64PCh. 7 - Prob. 7.65P
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