Description
Advanced Heat Transfer: Thermal Radiation Course. Exploring Electromagnetic Waves, Thermal Radiation, and Radiative Properties: Comprehensive Insights and Practical Applications In this course, we begin studying electromagnetic waves and the electromagnetic spectrum with a focus on thermal radiation. We introduce the concept of ideal black, blackbody radiation, and the blackbody radiation function, along with key principles such as Stefan-Boltzmann law, Planck’s law, and Wien’s displacement law. We study the radiation emitted from any point on the planar surface in all directions to the hemisphere above the surface, and examine radiative intensity, which describes the strength of radiation emitted or incident in specific directions. Important radiative fluxes such as emissivity, radiance, and radiosity are discussed in terms of their intensity. The course also covers the radiative properties of materials, including emissivity, absorption, reflectivity, and transmittance, and their dependence on wavelength, direction, and temperature. The greenhouse effect is used as an example of the consequences of wavelength-dependent radiative properties. This course further explores view factors and their associated rules, provides view factor expressions and graphs for common configurations, and introduces the cross-string method. We discuss radiant heat transfer between black and non-black surfaces using a radiation mesh approach. Finally, we examine radiation shields and their impact on radiation. During the course, you will gain a comprehensive understanding of electromagnetic waves, thermal radiation, and radiation properties and be prepared to apply these concepts to real-world scenarios. Register now to expand your knowledge of radiation and its consequences in various applications
What you will learn in the Advanced Heat Transfer: Thermal Radiation course
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Classification of electromagnetic radiation and identification of thermal radiation
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Understand the ideal blackbody and calculate the total and spectral emissivity of the blackbody
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Use the blackbody radiation functions to calculate the fraction of radiation emitted in a specific wavelength band.
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Understand the concept of radiant intensity and define spectral directional quantities using intensity
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Develop a clear understanding of emission, absorption, reflection and transmission properties based on spectrum, direction and total
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Apply Kirchhoff’s law to determine the absorption of a surface when its emissivity is known.
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Define the visibility factor and understand its importance in calculating radiant heat transfer.
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Develop view factor relationships and use these relationships to calculate unknown view factors in a subject
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Calculation of radiative heat transfer between black surfaces
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Determination of radiative heat transfer between diffuse and grey surfaces in a chamber using the radiation concept
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Quantifying the effect of radiation shields on reducing radiative heat transfer between two surfaces
This course is suitable for people who
Specifications of the Advanced Heat Transfer: Thermal Radiation course.
- Editor: Udemy
- Lecturer: Prof. Sameer
- Training level: beginner to advanced
- Training duration: 7 hours and 1033 minutes
- Number of courses:
Topics of the course “Advanced Heat Transfer: Thermal Radiation”.
Prerequisites for the course “Advanced Heat Transfer: Thermal Radiation”.
- Course “Fundamentals of Heat Transfer”.
- Course “Engineering Thermodynamics”.
Course pictures
Sample video of the course
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English subtitles
Quality: 720p
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