1. A sunphotometer is an instrument that looks at visible light coming in a straight line directly from the sun with F0= 1850 W/m²/um. At one point with cloudy sky and aerosol plume under the cloud, it measures an irradiance of I1 W/m²/um. When the cloud passes this increases to I2 W/m²/um and when there were no aerosols, the irradiance became 13 W/m²/um. Assuming sun zenith angle 0 degrees: a) What is the optical depth of the cloud? b) If the cloud would be twice thinner, what intensity would the sunphotometer measures when the cloud was overhead? What is the transmittance for this case? c) What are the optical thicknesses of aerosol and Rayleigh scattering components?
1. A sunphotometer is an instrument that looks at visible light coming in a straight line directly from the sun with F0= 1850 W/m²/um. At one point with cloudy sky and aerosol plume under the cloud, it measures an irradiance of I1 W/m²/um. When the cloud passes this increases to I2 W/m²/um and when there were no aerosols, the irradiance became 13 W/m²/um. Assuming sun zenith angle 0 degrees: a) What is the optical depth of the cloud? b) If the cloud would be twice thinner, what intensity would the sunphotometer measures when the cloud was overhead? What is the transmittance for this case? c) What are the optical thicknesses of aerosol and Rayleigh scattering components?
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
Related questions
Question
E1= 105
E2= 92
Angle = 41
Tr= 0.15
Ta= 0.25
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step 1: Determine(a)Optical depth of the cloud(b)Intensity when overhead,transmittance(c)optical thickness
VIEWStep 2: Calculate optical depth of the cloud.
VIEWStep 3: Calculate the intensity measured by sunphotometer when the cloud was overhead.
VIEWStep 4: Calculate the transmittance.
VIEWStep 5: Calculate optical thickness of the aerosol and Rayleigh scattering component.
VIEWSolution
VIEWStep by step
Solved in 6 steps with 21 images
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The