Design of measurement and control system for positive pressure combustion flame furnace

Shichun Liu; Ruifeng Wang; Jie Peng; Xudong Wang; Xiaoming Gao; Kun Liu

doi:10.1117/12.2681824

16 June 2023 Design of measurement and control system for positive pressure combustion flame furnace

Shichun Liu, Ruifeng Wang, Jie Peng, Xudong Wang, Xiaoming Gao, Kun Liu

Proceedings Volume 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023); 126390F (2023) https://doi.org/10.1117/12.2681824
Event: Third International Conference on Mechanical Design and Simulation (MDS 2023), 2023, Xi'an, China

Abstract

Most of the new generation aero engines are designed to operate at high pressure to obtain higher thermodynamic efficiency, and the demand for the study of combustion processes in high pressure environment has promoted the development of combustion diagnostic technology. As a fast and non-invasive measurement technique, TDLAS has been widely used in combustion diagnostics in recent years. At present, the research of combustion diagnosis based on TDLAS is mainly carried out in atmospheric pressure environment. In order to study TDLAS combustion diagnosis technology in high pressure combustion environment, there is an urgent need to provide a laboratory high pressure combustion device. To address this problem, a set of positive-pressure combustion flame furnace system was designed independently with high-precision control. The system is mainly based on the high-performance STM32 embedded system and McKenna flat-flame burner. Through fuel injection control and pressure control etc, the system realizes continuous control of fuel flow rate from 8 L/min to 30 L/min and pressure between 0.1 MPa and 0.7 MPa. The stability and accuracy have been improved prominently compared with other studies. In addition, the high-pressure combustion flame furnace also has automatic ignition control and overpressure protection control functions, which greatly improves the usability and safety of the laboratory high-pressure flame furnace and provides technical support for the development of TDLAS high-pressure combustion diagnostic research.

Citation Download Citation

Shichun Liu, Ruifeng Wang, Jie Peng, Xudong Wang, Xiaoming Gao, and Kun Liu "Design of measurement and control system for positive pressure combustion flame furnace", Proc. SPIE 12639, Third International Conference on Mechanical Design and Simulation (MDS 2023), 126390F (16 June 2023); https://doi.org/10.1117/12.2681824

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KEYWORDS

Combustion

Control systems

Design and modelling

Flame

Vacuum chambers

Control systems design

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