- Author
- Klingbeil, A. E. | Porter, J. M. | Jeffries, J. B. | Hanson, R. K.
- Title
- Two-Wavelength Mid-IR Absorption Diagnostic for Simultaneous Measurement of Temperature and Hydrocarbon Fuel Concentration.
- Coporate
- Stanford Univ., CA
- Report
- Volume 32; Part 1,
- Book or Conf
- Combustion Institute, Symposium (International) on Combustion, 32nd. Proceedings. Volume 32. Part 1. August 3-8, 2008, Combustion Institute, Pittsburgh, PA, Montreal, Canada, Dagaut, P.; Sick, V., Editors, 821-829 p., 2009
- Keywords
- combustion | hydrocarbon fuels | lasers | temperature | FT-IR | heptane | spectroscopy | high temperature | absorption | kinetics | shock tubes
- Identifiers
- Mid-IR laser absorption; temperature sensing; fuel concentration; shock-heated gases; wavelength-selection criteria; selection rule #1: select wavelengths for the best SNR; selection rule #2: minimize interference from other species; selection rule #3: select wavelengths that are accessible by the laser; temperature-dependent absorption spectrum of n-heptane using FTIR; measurements of high-temperature absorption cross-sections; DFG laser modified for two-wavelength operation; use of two-wavelength sensor for fuel kinetics studies