Open Access Open Access  Restricted Access Subscription or Fee Access

Simplified Models for Some Thermodynamic Properties of Saturated Water in a Pressurized Water Reactor

Ayoade Kuye, Justina Onyinyechukwu Adibeli

Abstract


The properties of water and steam in a pressurized water reactor (PWR) need constant monitoring to understand what goes on in the PWR. Such properties include the thermodynamic properties, namely, specific volume, specific enthalpy, specific entropy and specific heat. This work is focused on calculating these properties of saturated water by using a simplified model within the temperature range that is applicable to PWR. The model parameters for each property were calculated using the Solver tool in Microsoft Excel 2007 with the reference values of these properties calculated using equations given by the International Association for the Properties of Water and Steam Industrial Formulation 1997 (IAPWS IF97). The results obtained indicated that the four-parameter model gave the best fit for each property for the temperature range of 533 to 623 K. The maximum and average deviations for specific volume, specific enthalpy, specific entropy and specific heat are respectively 0.20 and 1.29%; 0.04 and 0.17%; 0.02 and 0.11%; and 0.91% and 2.59%. Keywords: pressurized water reactor (PWR), correlations, thermodynamic properties, saturated water

Full Text:

PDF

References


A Saul, W Wagner. International equations for the saturation properties of ordinary water substance. J Phys Chem-Us Reference Data. 1987; 16(4).

Wm J Garland, RJ Wilson, J Bartak, et al. Extensions to the approximate functions for the fast calculation of saturated water properties. Nucl Eng Des. 1992; 13: 381–438p.

GC Ejiogu, M Fiori. High-pressure saturated steam correlations. J Petrol Technol. 1987; 1585–1590p.

S Chien. Empirical correlations of saturated steam properties. SPE Reservoir Engineering 1992; 295– 303p.

S Ishimoto, M Uematsu, I. Tanishita. New equations for the thermodynamics properties of saturated water and steam. Bulletin of the Japanese Society of Mechanical Engineers 1972; 15(88):1278–1289p.

Wm J Garland, JD Hoskins. Approximate functions for the fast calculation of light water at saturation. Int J Multiphas Flow 1988; 14(8):333– 348p.

Wm J Garland, BJ Hand. Simple functions for the fast approximation of light water thermodynamic properties. Nucl Eng Des. 1989; 113:21–34p.

International Association for the properties of water and steam IAPWS. Revised Release on the IAPWS Industrial Formulation 1997 for the Thermodynamic properties of water and steam. 1997.

J Pongpuak. Nuclear energy materials and reactors-pressurized water reactors. Department of Chemical Engineering, University of Brunswick, Canada. Encyclopedia of Life Support Systems EOLSS. 2003; 1.

A Kuye, LO Sanni. Modeling sorption isotherms of lafun and soyflour using a spreadsheet. Int J Food Prop. 2002; 5(3):599–610p.


Refbacks

  • There are currently no refbacks.