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

Content Provider	IEEE Xplore Digital Library
Author	van Gils, R.W. Speetjens, M.F.M. Zwart, H.J. Nijmeijer, H.
Copyright Year	2014
Description	Author affiliation: Mech. Eng. - Dynamics & Control, Eindhoven Univ. of Technol., Eindhoven, Netherlands (Zwart, H.J.; Nijmeijer, H.) \|\| Mech. Eng. - Energy Technol., Eindhoven Univ. of Technol., Eindhoven, Netherlands (Speetjens, M.F.M.) \|\| Mechatron. Technol., Philips Innovation Services, Eindhoven, Netherlands (van Gils, R.W.)
Abstract	Topic is feedback stabilisation of a nonlinear pool-boiling system in three spatial dimensions (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.
Starting Page	833
Ending Page	839
File Size	571406
Page Count	7
File Format	PDF
ISBN	9781479952670
ISSN	10879870
DOI	10.1109/ITHERM.2014.6892367
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heating Three-dimensional displays Temperature measurement Observers Heat transfer Solid modeling Temperature sensors
Content Type	Text
Resource Type	Article

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