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Showing 1 to 20 of 172 for “"transport equation"”.
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Uncertainty assessment for CFD using error transport equation
… dynamics applications where the conservation equations are solved for primary variables such as velocity, temperature and concentration etc., using finite difference and/or finite volume approach. A transport equation for the error (referred to as the error transport equation) is formulated …
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Bose-Einstein condensation from a gluon transport equation
… new numerical scheme to solve the QCD Boltzmann equation in the small-scattering angle approximation, which we develop here for the quenched limit of QCD. We initially restrict our analysis to spatially homogeneous systems of gluons distributed isotropically in momentum space. With our scheme we …
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A low order acceleration scheme for solving the neutron transport equation
… used technique for solving partial differential equations, and has been applied to the neutron transport problems for many years. The MOC method requires many transport iterations to solve large heterogeneous LWR reactor problems with high dominance ratio, and effective acceleration schemes are …
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The Cell Analytic-Numerical Method for Solution of the Groundwater Solute Transport Equation
… for the efficient solution of groundwater solute transport problems is developed and evaluated. The basic idea of the CAN method is the incorporation of local analytic solutions into the numerical solution of the partial differential equation. The CAN method decomposes the entire solution domain …
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Semiconductor device simulation : a spectral method for solution of the Boltzmann transport equation
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1988.
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The two-fluid model with interfacial area transport equation in gas-dispersed condensing flows
The student, Vineet Kumar, accepted the attached license on 2019-10-01 at 17:11.
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Variational approach to solving the phonon Boltzmann transport equation for analyzing nanoscale thermal transport experiments
… smaller length scales, and as a result the heat transport in these systems has entered the nanoscale regime. With increasing computational speed and power consumption, there is a need to efficiently dissipate the heat generated for proper thermal management of computer chips. The ability to …
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An inverse problem framework for reconstruction of phonon properties using solutions of the Boltzmann transport equation
… results and the one calculated by a Boltzmann transport equation (BTE)-based model of the experimental process, with the desired material property treated as the unknown in the optimization process. Crucially, the proposed approach makes no assumption of an underlying Fourier behavior, thus …
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Testing the value of the one-dimensional transport equation with a diffuse light approximation in predicting light flux in tissue
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1987.
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An efficient method for the solution of the energy dependent integral Boltzmann transport equation in the resolved resonance energy region
… the two spatial region energy dependent integral transport equation is developed. This solution, denoted the "Broad Group Integral Method'' (BGIM), uses escape probabilities to obtain the spatial coupling between regions and uses an analytical flux shape within a multigroup to obtain weighted …
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Part I. Proximity Effect: Numerical Evaluation of T(c). Part Ii. Derivation of Boltzmann Type Transport Equation for an Impure Anisotropicsuperconductor
Made available in DSpace on 2015-05-12T21:41:43Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6801888.PDF: 2664055 bytes, checksum: af69f5fa790a7df9a7e5b3d81ac0f754 (MD5) Previous issue date: 1967
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Part I: Proximity effect; numerical evaluation of Tc. Part II: Derivation of Boltzmann type transport equation for an impure anisotropic superconductor
De Gennes' equation for the gap parameter in superposed films of normal and superconducting materials have been s9lved via a numerical technique. Thia is based upon a variation approach used by Silvert and Cooper. The solution indicates that the approximate anlytical procedure used by Werthamer is …
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The Asymptotic Development of The Equations of Nuclear Reactor Theory
The solutions to various forms of the diffusion equation are shown to correspond to the leading term of an asymptotic expansion of the solution to the neutron transport equation for large near-homogeneous systems which are close to critical. The product of the fundamental unit-cell transport theory …
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Transport theory for scalar quarks and gluons
… work, we have detailed the calculations of the transport and constraint equations for a theory of scalar quarks and gluons with self-interactions. Special care has been taken in particular in understanding how the transport equation, taken on its own, leads to a Boltzmann-like equation when …
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Functional analytic treatment of linear transport equations in kinetic theory and neutron transport theory
The temperature-density equation of Kinetic Theory and the conservative neutron transport equation are studied. In both cases a modified version of the Larsen-Habetler resolvent integration technique is applied to obtain full-range and half-range expansions. For the neutron transport equation the …
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Transport-theory-equivalent diffusion coefficients for node-homogenized neutron diffusion problems in CANDU lattices
… core is ideally performed by solving the neutron transport equation for a detailed-geometry model using several tens of energy groups. However, performing such detailed calculations for an entire core is prohibitively expensive from a computational perspective. Full-core neutronic calculations for …
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A two-dimensional numerical model of the high electron mobility transistor
… by solving Schrodinger's and Poisson's equations self-consistently. The Boltzmann transport equation in the form of a current continuity equation and an energy transport equation is solved to obtain the transient transport behavior. Transport of carriers takes place in two layers in the …
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Poluição de águas subterrâneas: seleção de um modelo matemático de dispersão bidimensional
… groundwater pollution may be done by a set of equations which includes two continuity equations, one for the mixture water and pollutant (flow equation) and other only for the pollutant (mass-transport equation), Darcy's equation and state equations for the mixture. Complex boundary conditions …
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