Active Flow and Combustion Control 2014 by Rudibert King

By Rudibert King

The ebook stories at the most recent theoretical and experimental advances within the box of energetic circulation and combustion keep an eye on. It covers new advancements in actuator expertise and sensing, in powerful and optimum open- and closed-loop keep an eye on, in addition to in version relief for keep an eye on. It collects contributions provided in the course of the 3rd variation of the energetic move and Combustion keep an eye on convention, held in September 10-12, 2014 on the Technische Universität Berlin (Germany). This convention, in addition to the examine provided within the ebook, were supported via the collaborative study heart SFB 1029 -Substantial potency raise in fuel generators via direct use of coupled unsteady combustion and move dynamics, funded by way of the DFG (German examine Foundation).

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Right top: Trajectory of the control error in the 40–th iteration, RC (grey, solid), ILC (black, solid), no control (black, dashed). Right bottom: Trajectory of the actuation amplitude in the 40-th iteration that has been realised by the subordinate closed-loop. Table 1. 02 Conclusion ILC and RC were utilised successfully within an active flow control scenario. Both controllers are capable of decreasing the impact of periodic disturbances. We found the ILC algorithm to obtain better closed-loop results.

Steinberg et al. 3 Sidewall Actuation The passage flow is actively manipulated by sidewall actuation. 1, see Fig. 4. 26 · 10−4 m3 as illustrated in Fig. 5. The corresponding pressure levels pjet,L , ˙ jet,L , m ˙ jet,R (Festo, pjet,R (Festo, SPTW–B6R) and the injected mass flows m SFAB–200U ) are measured. To achieve a symmetric actuation, this sensor information is processed by an subordinate feedback-linearising controller [15] which adjusts the pressure level in the pressure vessels by commanding the corresponding proportional directional valves (Festo, MPYE–5 ).

6. Top: First PC that describes the impact of the actuation on the cp -distribution of the suction surface of the middle blade for different maximum actuation amplitudes umax . 85. 8 1 Fig. 7. Top: First (left) and second (right) PC describing the impact of the running disturbance generator on the cp -distribution of the suction surface of the middle blade. 85. |W (z)|, |Wp,m (z)| |Gn (z)|, |Gp,m (z)| Comparison of Iterative Learning and Repetitive Control 100 10−1 10−2 −2 10 |Gn (z)| |Gp,m (z)| 10−1 100 f [Hz] 101 102 49 100 10−1 10−2 −2 10 |W (z)| |Wp,m (z)| 10−1 100 f [Hz] 101 102 Fig.

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