摘要: The formation of secondary smoke in a solid rocket plume and the attenuation of a laser signal through it have been modelled by codes DROP-4 and OSA-4. Condensation nuclei have been characterized and number and size distribution m... 展开 The formation of secondary smoke in a solid rocket plume and the attenuation of a laser signal through it have been modelled by codes DROP-4 and OSA-4. Condensation nuclei have been characterized and number and size distribution measured from data obtained in the U.S. Army Missile Command's Smoke Characterization Facility. Predictions from DROP-4 and OSA-4 compare satisfactorily with experimental flight data. (Author) 收起