Emergency response for the rupture of an ammonia pipeline is being planned. Themaximum estimated flow rate from the rupture is 20 kg/s. Local authorities havedetermined that evacuations are necessary if the concentration exceeds the ERPG-2 level.Assume a temperature of 20˚C, wind speed of 3 m/s, atmospheric pressure of 1 atm, 70%cloud cover and rural conditions. State any other assumptions.a. How far directly downwind needs to be evacuated?b. Using a spreadsheet (such as excel), draw a plot of the isopleth at thisconcentration. You should have at least 8 different distances downwind markedon your plot.
Emergency response for the rupture of an ammonia pipeline is being planned. Themaximum estimated flow rate from the rupture is 20 kg/s. Local authorities havedetermined that evacuations are necessary if the concentration exceeds the ERPG-2 level.Assume a temperature of 20˚C, wind speed of 3 m/s, atmospheric pressure of 1 atm, 70%cloud cover and rural conditions. State any other assumptions.a. How far directly downwind needs to be evacuated?b. Using a spreadsheet (such as excel), draw a plot of the isopleth at thisconcentration. You should have at least 8 different distances downwind markedon your plot.
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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Question
Emergency response for the rupture of an ammonia pipeline is being planned. The
maximum estimated flow rate from the rupture is 20 kg/s. Local authorities have
determined that evacuations are necessary if the concentration exceeds the ERPG-2 level.
Assume a temperature of 20˚C, wind speed of 3 m/s, atmospheric pressure of 1 atm, 70%
cloud cover and rural conditions. State any other assumptions.
a. How far directly downwind needs to be evacuated?
b. Using a spreadsheet (such as excel), draw a plot of the isopleth at this
concentration. You should have at least 8 different distances downwind marked
on your plot.
maximum estimated flow rate from the rupture is 20 kg/s. Local authorities have
determined that evacuations are necessary if the concentration exceeds the ERPG-2 level.
Assume a temperature of 20˚C, wind speed of 3 m/s, atmospheric pressure of 1 atm, 70%
cloud cover and rural conditions. State any other assumptions.
a. How far directly downwind needs to be evacuated?
b. Using a spreadsheet (such as excel), draw a plot of the isopleth at this
concentration. You should have at least 8 different distances downwind marked
on your plot.
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