Vol. 89, Issue 3, March 2008, pp.71-76

Leak Detection and Model Analysis for Nonlinear Spherical Tank Process Using Conductivity Sensor

P. Madhavasarma, S. Sundaram

Deperartment of Electronics& Instrumentation Engineering

SASTRA UNIVERSITY

Thanjavur 613402 Tamilnadu, India

Telephone: +91(04362)264101, extn: 262

Fax: +91(04362)264120

E-mail: Spms1975@eie.sastra.edu,  ssundar@sastra.edu

Received: 25 February 2008   /Accepted: 17 March 2008   /Published: 24 March 2008

Abstract: Model parameters are affected by leak in process plants and this leak can be considered as disturbance in model evaluation. A non linear spherical tank of 40 liter capacity was used for this study. Process Model was generated experimentally using step response technique with online conductivity as monitoring parameter. A microcontroller using ATMEGA16 was used for the measurement of conductivity with and without leak of process liquid. The process model parameters were affected due to leak up to seventeen percent in the range of flow rates studied.

Keywords: Leak, Tracer, model, Conductivity, Microcontroller, Spherical

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