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[Studies on spectral characteristics of solid propellant by remote sensing FTIR]
Yan Li1, Zhong-hua Huang, Xue-tie Zhou
1Laboratory of Advanced Spectroscopy, Nanjing University of Science & Technology, Nanjing 210014, China.
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|April 28, 2005
Summary
This study measured infrared spectral characteristics of solid propellant using FTIR spectroscopy. Remote sensing FTIR shows potential for identifying IR objects and guiding military applications.
Area of Science:
- Spectroscopy
- Combustion Science
- Infrared Technology
Context:
- High-intensity infrared (IR) solid propellants are crucial for various applications, including military countermeasures.
- Understanding their combustion behavior and spectral emissions is vital for performance optimization and target identification.
- Remote sensing techniques offer a non-intrusive method for analyzing these energetic materials.
Purpose:
- To measure the infrared spectral characteristics of high-intensity IR solid propellant during combustion.
- To determine combustion temperatures and concentrations of key combustion products (HCl, HF, CO2, CO).
- To evaluate the potential of remote sensing Fourier Transform Infrared (FTIR) spectroscopy for analyzing solid propellant emissions.
Summary:
- Infrared spectral characteristics of solid propellant were measured using a remote sensing FTIR spectrometer.
- Combustion temperatures were calculated from molecular rotation-vibration spectra, ranging from 1610.9 K to 2361.1 K.
- Spectral radiance distributions and concentrations of HCl, HF, CO2, and CO were quantitatively determined.
Impact:
- Remote sensing FTIR is identified as a potential technology for measuring IR spectral characteristics.
- Applications include identification of IR objects, military guidance and anti-guidance systems.
- Findings can inform the modification of solid propellant formulations for improved performance.