仪器仪表学报
儀器儀錶學報
의기의표학보
CHINESE JOURNAL OF SCIENTIFIC INSTRUMENT
2007年
11期
1951-1955
,共5页
刘亦安%黄志尧%冀海峰%Wang Baoliang%Li Haiqing
劉亦安%黃誌堯%冀海峰%Wang Baoliang%Li Haiqing
류역안%황지요%기해봉%Wang Baoliang%Li Haiqing
solid concentration%terahertz technique%gas-solid two-phase flow
Terahertz(THz)technique is a new measurement technique that has emerged in recent years. For the measurement of solid concentration, a radiation attenuation method and a phase delay method were developed, which are based on the Beer-Lambert law. Experimental work was carried out on a terahertz time-domain spectroscopy system (THz-TDS). Results obtained verify that the terahertz technique may provide a possible new solution to the problem of solid concentration measurement and the two proposed measurement methods are effective. Experiment results also indicate that the phase delay method is more accurate than the radiation attenuation method and the size of the particles affects the measurement results of both methods.
