Different п¬‚ame structures can occur in the same operating condition by varying the operating routines. WaveSurfer 3000 Oscilloscopes 200 MHz 750 MHz Key Features 200 MHz, 350 MHz, 500 MHz and 750 MHz bandwidths Up to 4 GS/s sample rate Long Memory up to 10 Mpts/Ch 10. The hysteresis phenomenon is also observed in current experiments. The dominant frequency of pulsation is about 100вЂЇHz in the cases with SRвЂЇвЂЇ1, the dominant frequency fluctuates between 400вЂЇHz and 500вЂЇHz. Large amplitude limit cycles are found in the strong swirl, high ASR and high SR flame. The amplitude of the pressure and heat release pulsation are all sensitive to the swirl intensity, air split ratio (ASR) and stratification ratio (SR). Key Features 200 MHz, 350 MHz, 500 MHz, 750 MHz bandwidths Long Memory up to 10 Mpts/Ch 10. Generally, the frequency and intensity of the pressure and heat release pulsation are coupled. My hin sng LeCroy WaveSurfer 3022 bng thng 200 MHz, 2 knh, ly mu 4 GSa/s, b nh 10 Mpts/knh, mn hnh cm ng 10.1 inch. WaveSurfer 3022/ WaveSurfer 3024 User Interface X Basic X Basic z MAUI Max Sample Rate (IntlvвЂ™d) z 4 GS/s X No Interleaving z 4 GS/s Max Sample Rate (Per Ch) X 2 GS/s z 2. Thermoacoustic instabilities are then investigated. Depending on operating conditions, four different п¬‚ame structures are stabilized in the combustor: A V-shaped п¬‚ame (V-п¬‚ame), a stratified п¬‚ame (S-flame), a lifted п¬‚ame (L-п¬‚ame) and a special plate-shaped flame (P-flame). Stratification of the flow and mixtures is established by varying the bulk air flow rates and mixture equivalence ratios between the inner and outer annulus.

The change of swirl intensity is achieved by swirlers with different swirl angles.

The flame structure and dynamic response of stratified swirl flames are investigated using a stratified premixed swirl burner.

Wavesurfer 3022