Center for Combustion Energy;
Key Laboratory for Thermal Science and Power Engineering of Ministry of Education;
Department of Energy and Power Engineering;
Tsinghua University;
Beijing 100084;
China;
Institute of Nuclear and New Energy Technology;
Advanced Nuclear Energy Technology Cooperation Innovation Center;
Key Laboratory of Advanced Nuclear Engineering and Safety of Ministry of Education;
Tsinghua University;
Beijing 100084;
China;
Graphite dust; High-temperature gas-cooled reactor; Thermophoretic coagulation; Log-skew-normal method of moments; Particle size distribution;