Mathematical modelling of a porous silicon-based pellistor-type catalytic flammable gas sensor

S. D. Kolev, M. Ádám, I. Bársony, A. Van Den Berg, C. Cobianu, S. Kulinyi

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The development of a three-dimensional thermal mathematical model of a pellistor based on the fundamental physical laws of heat transfer and employing a few clearly stated simplifying assumptions concerning the convective heat transfer in ambient air is reported. The model was numerically solved using the implicit alternating-direction finite difference method. The software was written in Microsoft and Gnu C and run on a PC. Simulations for studying the transient heat transfer in the absence of flammable gas were performed. Refinement of the model in terms of reducing the simplifying assumptions and the experimental verification of the simulated thermal behaviour of the model structure is in progress. In its final form the model should be capable of describing more sophisticated micro-pellistor structures.

Original languageEnglish
Pages (from-to)235-239
Number of pages5
JournalMicroelectronics Journal
Volume29
Issue number4-5
Publication statusPublished - Apr 1998

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flammable gases
Porous silicon
Chemical sensors
porous silicon
Heat transfer
sensors
heat transfer
Model structures
Finite difference method
convective heat transfer
Gases
Mathematical models
mathematical models
Microstructure
Air
computer programs
microstructure
air
Hot Temperature
simulation

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Mathematical modelling of a porous silicon-based pellistor-type catalytic flammable gas sensor. / Kolev, S. D.; Ádám, M.; Bársony, I.; Van Den Berg, A.; Cobianu, C.; Kulinyi, S.

In: Microelectronics Journal, Vol. 29, No. 4-5, 04.1998, p. 235-239.

Research output: Contribution to journalArticle

Kolev, S. D. ; Ádám, M. ; Bársony, I. ; Van Den Berg, A. ; Cobianu, C. ; Kulinyi, S. / Mathematical modelling of a porous silicon-based pellistor-type catalytic flammable gas sensor. In: Microelectronics Journal. 1998 ; Vol. 29, No. 4-5. pp. 235-239.
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