Adjacent Electrode Burner
This design embeds the electrodes as pairs in the burner housing. The primary benefit is all electrodes are removed from the hot flame. The video shows dynamically manipulating the flame to different shapes by controlling the electrode potentials. Dynamically altering the flame shape forces the heat release and this creates audible sound. (play with sound on)
Electric Field-Induced Laminar to Turbulent Flame Transition
This video shows an initially laminar flame being transitioned to a turbulent condition with an electric field. This could be used to improve reactant mixing and heat transfer in applications where mixing is a challenge. The electrical power needed is negligible, requiring around 20 mW for this 2 kW flame.
Driving Thermoacoustic Instability with Electric Field
This video shows intentionally maximizing the thermoacoustic instability sound amplitude by forcing it with an electric field. A phase-locked loop synchronizes the electric field to the measured acoustic pressure and then the phase offset is adapted to find the maximum sound amplitude (>155 dBA).
Single-Wire Cathode
The video shows the response of the flame and heat-release to a square electric field waveform.
Three-Wire Cathode
The video shows the response of the flame and heat-release to a triangular electric field waveform.
Honeycomb Cathode
The cathode is Hastelloy® honeycomb; 2mm cell width x 0.127mm wall thickness. The video shows the response of the flame and heat-release to a square electric field waveform.
Thermoacoustic Instability Suppression
The video shows the transient controller response when enabling the electric field-based actuator and feedback controller at t = 0 ms.
Corona Discharge when Stabilizing “V” Flame by EHD Bluff-Body
This video shows the presence of a corona discharge when stabilizing a flame with an EHD bluff-body. The oscillations in both the discharge and flame front show the complex coupling between the two. The condition eventually becomes unstable (t = 15 sec), and both the discharge and stabilization point dissipate.
Dustin Cruise 