Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 63 for “"Radiative Heat Transfer"”.
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Spheroidization of iron powders by radiative heat transfer
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.
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A study of radiative heat transfer through foam insulation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1987.
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Radiative Heat Transfer for Emitting, Absorbing and Scattering Planar Media
… directed toward understanding and predicting the radiative heat transfer in planar gas and particulate systems. The analysis models both nongray absorption of the gas phase by the exponential wide band model and the redirection of radiant energy by particulate scattering through the optical path …
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Radiative heat transfer from aluminum oxide in solid propellant flames
The radiative heat transfer in aluminized propellant flames was determined. Liquid aluminum oxide (Al$\sb2$O$\sb3$) particles, produced from the distributed combustion of aluminum droplets, dominated the optical characteristics of aluminized propellant flames. A laser scattering and extinction …
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Photonic engineering of near- and far-field radiative heat transfer
Radiative heat transfer is the process by which two objects exchange thermal energy through the emission and absorption of electromagnetic waves. It is one of nature's key fundamental processes and is ubiquitous in all facets of daily life from the light we receive from the Sun to the heat we feel …
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Advancing radiative heat transfer modeling in high-temperature liquid-salts
… salts can be affected by participating media radiative heat transfer, due to the high temperature operation and their semitransparent nature. Computational fluid dynamics (CFD) becomes a valuable tool to model the complex 3-dimensional nature of the heat transfer, especially in regions where …
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Radiative heat transfer in directly-irradiated high-temperature particle-gas flows
The understanding of heat transfer problems encompassing radiative heat transfer in participating media is crucial for engineered systems and processes encountered in multiple fields of science and engineering, such as solar particle receivers. A complete heat transfer model involving hydrodynamics …
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Radiative heat transfer in directly-irradiated high-temperature particle-gas flows
The understanding of heat transfer problems encompassing radiative heat transfer in participating media is crucial for engineered systems and processes encountered in multiple fields of science and engineering, such as solar particle receivers. A complete heat transfer model involving hydrodynamics …
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Studies in Pressurized Oxy-Combustion: Process Development and Control of Radiative Heat Transfer
… can be utilized to extract the latent heat of condensation of the flue gas moisture, leading to an increase in plant efficiency.</p><p>A new staged, pressurized oxy-combustion (SPOC) process for power generation with carbon capture is presented in the first part of this dissertation. …
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Large eddy simulation of a fuel-rich turbulent non-premixed reacting flow with radiative heat transfer
… soot and NO production, and to investigate the radiative heat transfer during combustion process applying Discrete Ordinates Method (DOM). LES seeks the solution by separating the flow field into large-scale eddies, which carry the majority of the energy and are resolved directly, and …
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Nonreciprocal and Exotic Radiative Transfer in Type-I Magnetic Weyl Semimetals
The classical theory of radiative heat transfer has proven extraordinarily useful, both in advancing fundamental physics through the discovery of quantum mechanics and in developing practical applications. However, the classical theory can break down, opening up new opportunities for energy …
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The Effect of High Transverse Electric Fields on Thermal Radiation
Radiative heat transfer is one of the fundamental modes of energy transfer between media. The fundamental law underlying radiative heat transfer is Planck's Law, which is an expression relating the maximum emitted energy from a surface at a given wavelength to the temperature of the surface. The …
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Electrically-tunable near-field heat transfer with ferroelectric materials
Radiative heat transfer at small separations can be enhanced by orders of magnitude via the use of surface phonon polariton or plasmon polariton waves. This enhancement has potential applications in different devices, such as thermal emitters, thermal rectifiers, thermophotovoltaic and …
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Combustion efficiency improvement in a rotary furnance using a post combustion chamber
… temperature distribution, conduction, and radiative heat transfer. The k-e model is used for turbulence flow prediction. Combustion of premixed fuel is simulated by the Simple Chemical Reacting Scheme (SCRS). The eddy break-up (EBU) model is used to determine the rate of the reaction. The …
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Combustion efficiency improvement in a rotary furnance using a post combustion chamber
… temperature distribution, conduction, and radiative heat transfer. The k-e model is used for turbulence flow prediction. Combustion of premixed fuel is simulated by the Simple Chemical Reacting Scheme (SCRS). The eddy break-up (EBU) model is used to determine the rate of the reaction. The …
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Non-equilibrium fluctuation induced-phenomena in quantum electrodynamics
… currents and waves. Specifically, we study radiative heat transfer and Casimir forces by applying the scattering formalism that expresses results solely in terms of the classical scattering matrices of the objects. For example, we obtain exact formulas for the heat radiation emitted by long …
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Photon management in thermal and solar photovoltaics
… and Maxwell's equations are presented to study radiative heat transfer between two closely-spaced glass plates. The theoretical analysis shows that the radiative heat transfer between closely-spaced glass plates is enhanced by surface phonon polaritions and the flux can exceed the far-field …
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