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Modelling and simulation of the operation of a calorimetric sensor for medical application

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Abstract

A calorimetric sensor for medical application has been developed to measure surface and localize heat dissipations of human body. The instrument evaluates the heat flux transmitted by conduction, through a thermopile, between the human body surface and a programmed thermostat at a set temperature. In this work, a model with twelve transfer functions describing the operation of the sensor is exposed. This model relates the inputs to outputs of the system. Sensitivities, poles and zeros of each of the transfer functions are obtained with two independent experimental measurements and a numerical optimization method based on the adjustment of the experimental output curves with the ones calculated by the model. The model simulates the operation of the sensor, determines its operating limits and assesses the flow of heat between human skin and the thermostat sensor. The proposed method is applicable to any non-differential calorimeter.

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Funding

This work was completed while Pedro Jesús Rodríguez de Rivera was beneficiary of a pre-doctoral grant given by the “Ministerio de Ciencia, Innovación y Universidades (Spain)” and the “Agencia Canaria de Investigación, Innovación y Sociedad de la Información del Gobierno de Canarias (Spain)”.

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Authors and Affiliations

  1. Departamento de Física, Universidad de Las Palmas de Gran Canaria, 35017, Las Palmas, Spain

    P. J. Rodríguez de Rivera, Mi. Rodríguez de Rivera, F. Socorro & M. Rodríguez de Rivera

  2. Instituto Universitario de Microelectrónica Aplicada (IUMA), Universidad de Las Palmas de Gran Canaria, 35017, Las Palmas, Spain

    P. J. Rodríguez de Rivera & G. M. Callicó

Authors
  1. P. J. Rodríguez de Rivera
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  2. Mi. Rodríguez de Rivera
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  3. F. Socorro
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  4. M. Rodríguez de Rivera
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  5. G. M. Callicó
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Correspondence to M. Rodríguez de Rivera.

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Rodríguez de Rivera, P.J., Rodríguez de Rivera, M., Socorro, F. et al. Modelling and simulation of the operation of a calorimetric sensor for medical application. J Therm Anal Calorim 142, 483–492 (2020). https://doi.org/10.1007/s10973-020-09554-6

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  • DOI: https://doi.org/10.1007/s10973-020-09554-6

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