Popovski, Kire and Stavreva, Sevde and Kuzmanov, Ivo and Popovski, Igor (2019) MATHEMATICAL MODEL FOR COMPUTER SIMULATION FOR SELECTION OF THE ORDER FOR THE LAYERS FROM THE WALL OF INDUSTRIAL COOLERS. 14th International Conference on Accomplishments in Mechanical and Industrial Engineering. p. 36.
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5. Book of Abstracts - DEMI 2019-pages-1-3,5,7-18,56.pdf Download (1MB) | Preview |
Abstract
A mathematical model and computer software was developed for calculating the
thickness of the insulation layers (panels) from the walls of the industrial coolers
based on the order of their installation. A numerical example is given that is tested
on an existing industrial cooler in Bitola, Macedonia. In order to calculate the
thickness of the thermal insulation it is necessary to consider a multi layer barrier
(wall) where for each layer the thickness is known, except for the insulation material
which should be calculated. With the determined geometric and physical
characteristics of the wall, it is necessary to determine the temperature at each
point of the construction. By connecting these points, the temperature change
through the construction creates dependency with its thickness. After calculating
the actual specific heat flux, the temperatures between each layer of the wall
are calculated. For improved monitoring of the change in the partial pressure
of the saturated water vapor through the layers of the wall, the thickness of the
insulating material is divided into approximately five parts, and then a table of
temperature changes and the corresponding value of the partial pressure of the
saturated aqueous vapor is created. In order to avoid condensation of the water
vapor when it passes through the wall, a certain condition must be fulfilled. With
certain measurements adopted, a computer simulation was created and measurements
calculated. The computer simulation enables swift and accurate calculation
of thickness of the insulation at multi layer bulkheads found at industrial
coolers, and allows selection of the location for the insulation and steam barrier
in the bulkhead.
| Item Type: | Article |
|---|---|
| Subjects: | Scientific Fields (Frascati) > Engineering and Technology > Mechanical engineering Scientific Fields (Frascati) > Engineering and Technology > Other engineering and technologies |
| Divisions: | Faculty of Technical Sciences |
| Depositing User: | Prof. d-r. Ivo Kuzmanov |
| Date Deposited: | 04 Apr 2020 17:07 |
| Last Modified: | 04 Apr 2020 17:07 |
| URI: | https://eprints.uklo.edu.mk/id/eprint/4707 |
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