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Development and calibration of a mathematical model for vacuum evaporative cooling.
Number: pap. ID: 549
Author(s) : AUGUSTO C., RIBEIRO J., GASPAR A., et al.
Summary
Evaporative vacuum cooling has currently been considered a promising fast cooling technique. Thereby, this work reports the development and experimental calibration of a mathematical model that describes the vacuum evaporative cooling of water. The mathematical model was developed considering the typical configuration of the evaporative cooling system. This comprises two major components: a vacuum chamber and a vacuum pump. The equations of the model were solved using the engineering equation solver (EES), a computer program that can be used for the numerical solution of equations. The experimental calibration was made according to two important aspects: the air leakages, in a specific experimental system, and the particular details of the water evaporation in the cooling process. The results obtained show that, with the calibration functions determined, there is a reasonable agreement between the predicted results and the measured data for the several water volumes studied.
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Details
- Original title: Development and calibration of a mathematical model for vacuum evaporative cooling.
- Record ID : 30001982
- Languages: English
- Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
- Publication date: 2011/08/21
Links
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Indexing
-
Themes:
Heat transfer;
Mass transfer;
Chilling of foodstuffs - Keywords: Calculation; Vacuum; Cooling; Evaporative system; Modelling
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