Table 1 \({V}_{T}-D\) relationships for particle diameters at 800 hPa,600 hPa and 400 hPa
Pressure(hPa) | \({V}_{T}-D\) relationships | particle diameters |
|---|---|---|
800 hPa | \({V}_{T}\) = \({0.0028D}^{2.0}\) | \({\rm{D}}\le 47{\rm{\mu }}{\rm{m}}\) |
\({V}_{T}\) = \({0.0628D}^{1.1881}\) | \(46{\rm{\mu }}{\rm{m}}\, < \,{\rm{D}}\, < \,560{\rm{\mu }}{\rm{m}}\) | |
\({V}_{T}\) = \({21.90D}^{0.2629}\) | \({\rm{D}}\ge 560{\rm{\mu }}{\rm{m}}\) | |
600 hPa | \({V}_{T}\) = \({0.0028D}^{2.0}\) | \({\rm{D}}\le 44{\rm{\mu }}{\rm{m}}\) |
\({V}_{T}\) = \({0.0637D}^{1.1754}\) | \(44{\rm{\mu }}{\rm{m}}\, < \,{\rm{D}}\, < \,603{\rm{\mu }}{\rm{m}}\) | |
\({V}_{T}\) = \({21.90D}^{0.2629}\) | \({\rm{D}}\ge 603{\rm{\mu }}{\rm{m}}\) | |
400 hPa | \({V}_{T}\) = \({0.0030D}^{2.0}\) | \({\rm{D}}\le 45{\rm{\mu }}{\rm{m}}\) |
\({V}_{T}\) = \({0.0492D}^{1.2585}\) | \(45{\rm{\mu }}{\rm{m}} < {\rm{D}} < 625{\rm{\mu }}{\rm{m}}\) | |
\({V}_{T}\) = \({23.76D}^{0.2984}\) | \({\rm{D}}\ge 625{\rm{\mu }}{\rm{m}}\) |