Predrag Stojan Hrnjak

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Research Output 1998 2020

wall temperature
heat transfer coefficients
Heat transfer coefficients

Étalonnage basé sur la mesure de masse d'un capteur capacitif pour mesurer la fraction de vide pour le R134a dans des tubes lisses

Translated title of the contribution: Mass measurement based calibration of a capacitive sensor to measure void fraction for R134a in smooth tubesQian, H. & Hrnjak, P., Feb 2020, In : International Journal of Refrigeration. 110, p. 168-177 10 p.

Research output: Contribution to journalArticle

Capacitive sensors
Void fraction
Mass transfer
Condenser tubes
stratified flow
wall temperature
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