Predrag Stojan Hrnjak

19982020
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Research Output 1998 2020

wall temperature
Steam
heat transfer coefficients
steam
Heat transfer coefficients
Condenser tubes
stratified flow
wall temperature
condensers
heat transfer coefficients

Nouvelle cartographie de la configuration d'écoulement pour l'ébullition de R410A en écoulement dans des tubes horizontaux à micro-ailettes tenant compte de l'effet de l'angle d'hélice

Translated title of the contribution: A new flow pattern map for flow boiling of R410A in horizontal micro-fin tubes considering the effect of the helix angleYang, C. M. & Hrnjak, P., Jan 2020, In : International Journal of Refrigeration. 109, p. 154-160 7 p.

Research output: Contribution to journalArticle

Flow patterns
Boiling liquids
Mass transfer
Visualization
Vapors
Macros
Condensation
condensation
tubes
Visualization

Caractéristiques de l’écoulement du brouillard annulaire d'huile dans la canalisation de refoulement du compresseur

Translated title of the contribution: Characteristics of oil annular-mist flow in the compressor discharge pipeXu, J. & Hrnjak, P. S., Nov 2019, In : International Journal of Refrigeration. 107, p. 145-154 10 p.

Research output: Contribution to journalArticle

Fog
Compressors
Pipe
Oils
Discharge (fluid mechanics)