Verify the accuracy of the computations for the result E3.5.7 (Textbook, p. 148) by applying the generalized Bernoulli eq. between points 2 and 3 (s. Fig. E3.2). Example 3.2–Unloading Oil from a TankerSpecified Flow Rate and DiameterGeneral. The following statements apply equally to Examples 3.2, 3.3, 3.4,and 3.5. Fig. E3.2 shows a pump that transfers a steady stream of 35° API crudeoil from an oil tanker to a refinery storage tank, both free surfaces being open tothe atmosphere. The effective length-including fittings of the commercial steelpipe is 6,000 ft. The discharge at point 4 is 200 ft above the pump exit, which islevel with the free surface of oil in the tanker. However, because of an interveninghill, point 3 is at a higher altitude than point 4. Losses between points 1 and 2may be ignored.The crude oil has the following properties: p = 53 lbm/ft³; µ = 13.2 cP; vaporpressure p, = 4.0 psia.Specific to Example 3.2. Implement the algorithm for a Case 1-type problem.If the pipeline is Schedule 40 with a nominal diameter of 6 in., and the requiredflow rate is 506 gpm, what pressure p2 is needed at the pump exit? Solve theproblem first by hand calculations, and then by a spreadsheet.31,000 ft45,000 ftStoragetank200 ftOil tanker1Fig. E3.2 Unloading tanker with intervening hill (vertical scale exaggerated).Solution 23 – 24 = 55.9 ft.(E3.5.7)

Given data: Nominal diameter of the pipe = 6 in Schedule number of pipe = 40 Flow rate of oil = 506…

Answered: Verify the accuracy of the computations…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Verify the accuracy of the computations for the result E3.5.7 (Textbook, p. 148) by applying the generalized Bernoulli eq. between points 2 and 3 (s. Fig. E3.2).

Example 3.2–Unloading Oil from a Tanker
Specified Flow Rate and Diameter
General. The following statements apply equally to Examples 3.2, 3.3, 3.4,
and 3.5. Fig. E3.2 shows a pump that transfers a steady stream of 35° API crude
oil from an oil tanker to a refinery storage tank, both free surfaces being open to
the atmosphere. The effective length-including fittings of the commercial steel
pipe is 6,000 ft. The discharge at point 4 is 200 ft above the pump exit, which is
level with the free surface of oil in the tanker. However, because of an intervening
hill, point 3 is at a higher altitude than point 4. Losses between points 1 and 2
may be ignored.
The crude oil has the following properties: p = 53 lbm/ft³; µ = 13.2 cP; vapor
pressure p, = 4.0 psia.
Specific to Example 3.2. Implement the algorithm for a Case 1-type problem.
If the pipeline is Schedule 40 with a nominal diameter of 6 in., and the required
flow rate is 506 gpm, what pressure p2 is needed at the pump exit? Solve the
problem first by hand calculations, and then by a spreadsheet.
3
1,000 ft
4
5,000 ft
Storage
tank
200 ft
Oil tanker
1
Fig. E3.2 Unloading tanker with intervening hill (vertical scale exaggerated).
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