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Production of secondary ice particles during the growth of graupel by riming

✍ Scribed by S. C. Mossop

Publisher
John Wiley and Sons
Year
1976
Tongue
English
Weight
748 KB
Volume
102
Category
Article
ISSN
0035-9009

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✦ Synopsis

Abstract

Experiments indicate that secondary ice crystals are produced when rime grows in a supercooled cloud containing drops β‰₯ 24ΞΌm in diameter. This occurs between temperatures of βˆ’3 and βˆ’8Β°C, the production rate being greatest at βˆ’5Β°C. These temperatures are constant to about Β±0.5 deg C for velocities of the riming body ranging from 1.4 to 3.0m s^βˆ’1^. On average, one ice splinter is thrown off for every 250 drops of diameter β‰₯ 24ΞΌm accreted, at cloud temperature βˆ’5Β°C, and this value does not change much with target velocity. Various possible splintering mechanisms are discussed.

πŸ“œ SIMILAR VOLUMES

The production of secondary ice particle
The production of secondary ice particles during riming
✍ S. C. Mossop; J. L. Brownscombe; G. J. Collins πŸ“‚ Article πŸ“… 1974 πŸ› John Wiley and Sons 🌐 English βš– 972 KB

## Abstract Two series of experiments were undertaken to investigate whether secondary ice particles are thrown off during the accretion of supercooled water drops upon an ice surface. Riming took place in cloud at a temperature of about βˆ’9Β°C, and the accreted droplets were of various diameters up

The influence of drop size distribution
The influence of drop size distribution on the production of secondary ice particles during graupel growth
✍ S. C. Mossop πŸ“‚ Article πŸ“… 1978 πŸ› John Wiley and Sons 🌐 English βš– 346 KB

## Abstract The production of secondary ice particles when a moving body gathers rime in a supercooled cloud at βˆ’5Β°C has been studied for various drop size distributions. It is found that the rate of production of ice β€˜splinters’ depends not only upon the concentration of large drops (β©Ύabout 24 ΞΌm