(a)
Interpretation:
To determine volumetric delivery rate in actual feet per day.
Concept Introduction:
Natural gas which is pure methane is delivered to city via pipeline at a volumetric flow rate of
At delivery methane gas condition are
To deliver natural gas a pipe of
Convert the temperature and pressure
At standard condition,
Obtain the critical temperature
The obtained values are
Critical temperature
Critical pressure
Critical volume
Critical compressibility factor
Accentric factor
Estimate reduced temperature
The governing Pitzer correlation to calculate
Here,
Substitute
Substitute
Substitute
(a)
Answer to Problem 3.79P
Actual deliver flow rate of natural gas is
Explanation of Solution
The volumetric delivery rate in actual cubic feet per day.
At actual conditions,
Calculate the reduced temperature
Substitute
Substitute
Substitute
Given that at standard condition volumetric flow rate
Calculate the volumetric flow rate at actual conditions
Therefore, actual deliver flow rate of natural gas is
(b)
Interpretation:
To determine molar delivery rate in kmol per hour
Concept Introduction:
Natural gas which is a pure methane is delivered to city via pipeline at a volumetric flow rate of
At delivery methane gas condition are
To deliver natural gas a pipe of
Convert the temperature and pressure
At standard condition,
Obtain the critical temperature
The obtained values are
Critical temperature
Critical pressure
Critical volume
Critical compressibility factor
Accentric factor
Estimate reduced temperature
The governing Pitzer correlation to calculate
Here,
Substitute
Substitute
Substitute
(b)
Answer to Problem 3.79P
Molar flow rate is
Explanation of Solution
The molar delivery rate in
Here
Therefore molar flow rate is
(c)
Interpretation:
To determine velocity at delivery conditions in
Concept Introduction:
Natural gas which is a pure methane is delivered to city via pipeline at a volumetric flow rate of
At delivery methane gas condition are
To deliver natural gas a pipe of
Convert the temperature and pressure
At standard condition,
Obtain the critical temperature
The obtained values are
Critical temperature
Critical pressure
Critical volume
Critical compressibility factor
Accentric factor
Estimate reduced temperature
The governing Pitzer correlation to calculate
Here,
Substitute
Substitute
Substitute
(c)
Answer to Problem 3.79P
Velocity at delivery condition is
Explanation of Solution
Gas velocity at delivery condition in
Here,
Calculate volumetric flow rate in
Calculate pipe cross section area
Calculate velocity
Therefore, velocity at delivery condition is
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Chapter 3 Solutions
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