[HTML][HTML] The Effect of Channel Surface Roughness on Two–Phase Flow Patterns: A Review

M Sikora, T Bohdal, K Tandecka, W Kacalak, TG Mathia - Energies, 2024 - mdpi.com
This review article highlights the critical impact of surface roughness in modifying the
structure of two-phase flow within mini-and microchannels, particularly in processes such as …

Pressure drop during condensation at low mass fluxes in smooth horizontal and inclined tubes

DRE Ewim, JP Meyer - International Journal of Heat and Mass Transfer, 2019 - Elsevier
There are limited studies on pressure drops at low mass fluxes in smooth horizontal and
inclined tubes. Thus, this paper presents the pressure drops during the condensation of …

Diverging small channel for condensation heat transfer enhancement

C Bai, H Cao, G Zhang, M Tian - International Journal of Heat and Mass …, 2019 - Elsevier
Small channel heat transfer with condensation or boiling is utilized to handle the more and
more intense heat dissipation load nowadays. To further enhance the annular condensation …

Experimental study of HFE 7000 refrigerant condensation in horizontal pipe minichannels

M Sikora, T Bohdal, K Formela - Materials, 2021 - mdpi.com
This article presents the results obtained from our own experimental investigations on heat
exchange and pressure drop during the condensation flow of the HFE 7000 refrigerant in …

A regressive model for dynamic impulsive instabilities during the condensation of R134a, R1234ze (E) and R1234yf refrigerants

W Kuczyński, H Charun, P Piątkowski, B Bałasz… - International Journal of …, 2021 - Elsevier
This article presents a proposal for a regressive model describing dynamic pressure vp and
temperature v T impulsive instabilities during condensation of R134a refrigerant and …

A critical review on condensation pressure drop in microchannels and minichannels

MM Awad, AS Dalkiliç… - Heat Transfer Studies and …, 2015 - books.google.com
Condensation in microscales has applications in a wide variety of advanced microthermal
devices. For instance, condensation in microscales is widely used in small devices like …

[PDF][PDF] The analysis of thermal and flow characteristics of the condensation of refrigerant zeotropic mixtures in minichannels

T Bohdal, K Widomska, M Sikora - Archives of Thermodynamics, 2016 - bibliotekanauki.pl
The paper presents the results of experimental heat transfer and pressure drop during
condensation of the single component refrigerant R134a and zeotropic mixtures R404A …

[PDF][PDF] Innovative method for heat transfer enhancement through shell and coil side fluid flow in shell and helical coil heat exchanger

R Kumar, P Chandra, P - - Archives of Thermodynamics, 2020 - bibliotekanauki.pl
The effect of shell side and coil side volume flow rate on overall heat transfer coefficient,
effectiveness, pressure drop and exergy loss of shell and helical coil heat exchanger were …

Precise Evaluation of Gas–Liquid Two-Phase Flow Pattern in a Narrow Rectangular Channel with Stereology Method

M Masiukiewicz, S Anweiler - Energies, 2021 - mdpi.com
The drive to increase the efficiency of processes based on two-phase flow demands the
better precision and selection of boundary conditions in the process' control. The two-phase …

Condensation inside Horizontal and Inclined Smooth Tubes at Low Mass Fluxes

DRE Ewim - 2019 - search.proquest.com
Condensation has been extensively investigated from as early as 1914. However, there are
several gaps in the literature, especially for in tube condensation at low mass fluxes and …