Modal control of unstable boiling states in three-dimensional nonlinear pool-boiling systems

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Topic is feedback stabilisation of a nonlinear pool-boiling system in three spatial di- mensions (3D). Regulation of its unstable (non-uniform) equilibria has great potential for application in micro-electronics cooling and thermal-management systems. Here, as a first step, stabilisation of such 3D equilibria is considered. A control law is designed that regulates the heat supply to the heater as a function of the Fourier-Chebyshev modes of its internal temperature distribution. This admits a controller that is tailored to the system dynamics, as these modes intimately relate to the physical eigenmodes. The internal temperature distribution is, similar to practical situations, estimated from a finite number of measurement positions on the heater surface by an observer. Performance of this output-based modal controller is demonstrated and analysed by simulations of the nonlinear closed-loop system. This provides first proof of principle of the proposed control strategy for the regulation of 3D boiling states.
Originele taal-2Engels
TitelProceedings of the 14th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), 27-30 May 2014, Orlando, FL
Plaats van productiePiscataway
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's833-839
DOI's
StatusGepubliceerd - 2014
Evenementconference; ITherm 2014: Fourteenth Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems; 2014-05-27; 2014-05-30 -
Duur: 27 mei 201430 mei 2014

Congres

Congresconference; ITherm 2014: Fourteenth Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems; 2014-05-27; 2014-05-30
Periode27/05/1430/05/14
AnderITherm 2014: Fourteenth Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems

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