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Mathematical simulation of block SID-3-148 non-stayiomary thermal conditions

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Author(s): Ranchenko G. S. | Perepeka V. I. | Grudinkin V. M. | Buriachenko A. G.

Journal: Tekhnologiya i Konstruirovanie v Elektronnoi Apparature
ISSN 2225-5818

Issue: 4;
Start page: 39;
Date: 2008;
Original page

Keywords: thermal conditions | mathematical simulation | grids method | differential nonlinear non-uniform equations

ABSTRACT
The description of mathematical simulation technique and results of block SID-3-148 radioelectronic elements thermal operation conditions is given. Block is established on plane An-148 under engine D-436-148 hood. The thermometering data received during certified tests of the plane were used for simulation. The analysis tool – method of final balances (updating of a grids method). The task is reduced to ordinary differential nonlinear non-uniform equations system solved in the matrix form.
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