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The influence of soot loading on weighted sum of grey gases solutions to the radiative transfer equation across mixtures of gases and soot

The influence of soot loading on weighted sum of grey gases solutions to the radiative transfer equation across mixtures of gases and soot
The influence of soot loading on weighted sum of grey gases solutions to the radiative transfer equation across mixtures of gases and soot
Different approaches to employsing weighted sum of grey gases data in line of sight solutions to the radiative transfer equation (RTE) are compared for mixtures of combustion gases and soot. Responses to variations in soot loading are analysed across configurations comprising unifrom and non-uniform properties and compositions. Relative to a differential banded transmissivity solution, a weighted sum of grey gases (WSGG) solution, which solves the RTE for each grey gas component, yields greater accuracy than a total property (TP) solution. The latter evaluates radiative properties on a cell-by-cell basis for application ina a single equation. However, accuracy of the TP solution is shown to improve with increasing soot loading.
heat transfer, solutions, soot, gases, equations of motion, problem solving, weighted sum of grey gases (wsgg) solutions, radiative transfer equations (rte)
0017-9310
3469-3480
Bressloff, N.W.
4f531e64-dbb3-41e3-a5d3-e6a5a7a77c92
Bressloff, N.W.
4f531e64-dbb3-41e3-a5d3-e6a5a7a77c92

Bressloff, N.W. (1999) The influence of soot loading on weighted sum of grey gases solutions to the radiative transfer equation across mixtures of gases and soot. International Journal of Heat and Mass Transfer, 42 (18), 3469-3480. (doi:10.1016/S0017-9310(99)00031-9).

Record type: Article

Abstract

Different approaches to employsing weighted sum of grey gases data in line of sight solutions to the radiative transfer equation (RTE) are compared for mixtures of combustion gases and soot. Responses to variations in soot loading are analysed across configurations comprising unifrom and non-uniform properties and compositions. Relative to a differential banded transmissivity solution, a weighted sum of grey gases (WSGG) solution, which solves the RTE for each grey gas component, yields greater accuracy than a total property (TP) solution. The latter evaluates radiative properties on a cell-by-cell basis for application ina a single equation. However, accuracy of the TP solution is shown to improve with increasing soot loading.

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Published date: September 1999
Keywords: heat transfer, solutions, soot, gases, equations of motion, problem solving, weighted sum of grey gases (wsgg) solutions, radiative transfer equations (rte)

Identifiers

Local EPrints ID: 66599
URI: http://eprints.soton.ac.uk/id/eprint/66599
ISSN: 0017-9310
PURE UUID: bc7cd0f4-1619-4a2e-87a5-74085e1d1a38

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Date deposited: 03 Jul 2009
Last modified: 25 Nov 2019 21:23

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Author: N.W. Bressloff

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