Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A....

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Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir , A. Seminara, A. Celani, A. Mazzino , S. Derevyanko, S. Turitsyn March 24, 2009
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Transcript of Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A....

Page 1: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

Warm turbulent cloud

Toy model

Gregory FalkovichM. Stepanov, A. Fouxon, M. Vucelja, A. Pumir ,

A. Seminara, A. Celani, A. Mazzino ,

S. Derevyanko, S. Turitsyn

March 24, 2009

Page 2: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

Strepsiades: Do you think Zeus always rains new water down or does the sun draw the old up to be re-used?Amynias: I don’t know and I don’t care.Strepsiades: How do you expect to get your money if you know nothing of meteorology?

Aristophanes, CLOUDS

Page 3: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 4: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 5: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

preferential concentration

sling effect

Page 6: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

100 sec

or

Page 7: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

Timescales

Page 8: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 9: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 10: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 11: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

Distributions of droplets over sizes

Page 12: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 13: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 14: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

With the account of supersaturation fluctuations

Page 15: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 16: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 17: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 18: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 19: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 20: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 21: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.
Page 22: Warm turbulent cloud Toy model Gregory Falkovich M. Stepanov, A. Fouxon, M. Vucelja, A. Pumir, A. Seminara, A. Celani, A. Mazzino, S. Derevyanko, S. Turitsyn.

• Toy model of cloud evolution that incorporates both macroscopic and microscopic effects of turbulence

• Hygroscopic cloud seeding may be a practical possibility

• Much further work is needed on • collisions• spectrum broadening during condensation• latent heat release and convection• Account of vertical structure and ice• …..