Furnace temperature profiles: measurement by spectroscopic methods.

Area of Science:

• Atmospheric science
• Radiative transfer
• Thermodynamics

Background:

• Satellite-based atmospheric temperature profile determination is a valuable meteorological tool.
• High-temperature applications of this technique are limited due to poor convergence beyond temperature peaks.
• Accurate temperature profiling is crucial for understanding and controlling high-temperature industrial processes.

Purpose of the Study:

• To develop a modified iterative inversion technique for retrieving atmospheric temperature profiles.
• To overcome limitations in high-temperature applications of satellite-based temperature profiling.
• To enable accurate temperature profile retrieval across the entire gas slab.

Main Methods:

• Modification of an existing atmospheric iterative inversion technique.
• Integration of radiance measurements from two detectors.
• Utilizing a common line of sight through the hot gas.

Main Results:

• Successful retrieval of temperature profiles over the whole gas slab, even at high temperatures.
• Overcoming the difficulty of poor convergence beyond temperature peaks.
• Demonstration of a viable method for high-temperature atmospheric temperature profiling.

Conclusions:

• The modified iterative inversion technique significantly expands the applicability of satellite-based atmospheric temperature profiling.
• This advancement facilitates research in burner and rocket design.
• Improved industrial furnace operation control is achievable with this enhanced technique.