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Simple mathematical model for predicting the transient behaviour of an ice-bank system.

Author(s) : FINER S. I., CLELAND A. C., LOVATT S. J.

Type of article: Article, IJR article

Summary

The time-variable performance of an R22 ice-bank system was simulated by a dynamic model which was derived by assuming that heat transfer was always the limiting process, and which thus ignored hydrodynamic processes. The model comprised four ordinary differential equations describing the position of the ice front, the water temperature, and the refrigerant evaporation and condensation temperatures, each of which was derived by energy balance, plus a number of algebraic equations. The model requires only data that should be readily available or can be easily estimated, and thus it is suitable for analyses in the design of ice bank systems to handle time-varying conditions. Simple dynamic models ignoring hydrodynamics can be adequate in circumstances where the main source of variation arises beyond the refrigeration circuit itself.

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Pages: 312-320

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Details

  • Original title: Simple mathematical model for predicting the transient behaviour of an ice-bank system.
  • Record ID : 1994-0530
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 16 - n. 5
  • Publication date: 1993/09

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