scholarly journals Features of metastable superheated water atomization when being discharged through convergent-divergent nozzles at different superheat values

2021 ◽  
Vol 2088 (1) ◽  
pp. 012054
Author(s):  
V I Zalkind ◽  
V L Nizovskiy ◽  
LV Nizovskiy ◽  
S S Schigel

Abstract Experiments with the metastable superheated water atomization proved the significant increase of the submicron droplets mass fraction at the outlet of convergent-divergent nozzle from 0.45-0.55 to 0.75-0.9 with an increase of the inlet water temperature from170to255°C. Two different approaches to dimensionless treatment of the atomization processdata and determining the boundary of the zone of flashing predominance are compared. The analysis of two approaches to dimensionless treatment of experimental and calculating results concerning transition to predominating role of nucleation in the process of superheated liquid atomization in convergent-divergent nozzles is done.

1973 ◽  
Vol 21 (1) ◽  
pp. 67 ◽  
Author(s):  
NJ Mackay

Seasonal histological changes in the testis of H.galii are described. Spermatogenesis follows the cystic pattern common in anamniotes. Mitotic increase in spermatogonia occurs in late autumn, when photoperiod and water temperature are falling. The meiotic division of spermatocytes and subsequent changes of spermatogenesis are initiated when photoperiod and water temperature are rising and continue through the breeding season (November-January) until March, when water temperature begins to fall rapidly. The possible role of cholesterol-positive lobule boundary cells in steroid biosynthesis is discussed.


2008 ◽  
Vol 8 (7) ◽  
pp. 2469-2477 ◽  
Author(s):  
Jules A. W. Harings ◽  
Otto van Asselen ◽  
Robert Graf ◽  
Rene Broos ◽  
Sanjay Rastogi

2018 ◽  
Vol 56 (1) ◽  
pp. 153-155 ◽  
Author(s):  
V. I. Zalkind ◽  
Yu. A. Zeigarnik ◽  
V. L. Nizovskii ◽  
L. V. Nizovskii ◽  
S. S. Shchigel

2018 ◽  
Vol 45 (16) ◽  
pp. 8399-8406 ◽  
Author(s):  
Sourav Chatterjee ◽  
Roshin P. Raj ◽  
L. Bertino ◽  
Ø. Skagseth ◽  
M. Ravichandran ◽  
...  

2015 ◽  
Vol 53 (2) ◽  
pp. 214-216 ◽  
Author(s):  
V. B. Alekseev ◽  
V. I. Zalkind ◽  
Yu. A. Zeigarnik ◽  
D. V. Marinichev ◽  
V. L. Nizovskii ◽  
...  

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