Flow boiling heat transfer and pressure drop of water in a plate heat exchanger with corrugated channels at low mass flux conditions

E Lee, H Kang, Y Kim - International journal of heat and mass transfer, 2014 - Elsevier
The plate heat exchanger (PHX) has been widely used as a heat exchanger in fresh water
generators (FWGs) at low mass flux conditions. In this study, the flow boiling heat transfer …

A generalized continuous empirical correlation for the refrigerant mass flow rate through adiabatic straight and helically coiled capillary tubes

M Rasti, JH Jeong - Applied Thermal Engineering, 2018 - Elsevier
In spite of the simple geometry of capillary tubes, the refrigerant flow behavior through
capillary tubes is complex. Numerous empirical correlations have been developed to predict …

Non-equilibrium two-phase refrigerant flow at subcooled temperatures in an R600a refrigeration system

WJ Lee, JY Seo, J Ko, JH Jeong - International Journal of Refrigeration, 2016 - Elsevier
A refrigeration system is typically designed such that the refrigerant reaches a subcooled
state at the condenser outlet. A series of experiments are conducted to investigate the …

Effects of pipe turns on vertical helically coiled tube heat exchangers for water heating in a household refrigerator

S Missaoui, Z Driss, RB Slama, B Chaouachi - International Journal of Air …, 2022 - Springer
A new coupled numerical model of the overall vapor-compression cycle and water heater
was developed in order to analyze the influence of condenser coil designs on the heat …

Heat transfer and pressure drop characteristics of two phase flow in helical coils

BS Onal, SM Kirkar, D Akgul, A Celen, O Acikgoz… - Thermal Science and …, 2022 - Elsevier
This paper presents a review on heat transfer coefficient and pressure drop during
condensation and boiling in helically coiled tubes. The geometric parameters such as coil …

Experimental investigation on flow of R-600a inside a diabatic helically coiled capillary tube: Concentric configuration

SK Dubba, R Kumar - International Journal of Refrigeration, 2018 - Elsevier
This paper presents an experimental study of a diabatic flow of R-600a through a concentric
configured helically coiled capillary tube suction line heat exchanger. The details of …

Effects of a non-equilibrium two-phase refrigerant flow at subcooled temperatures on the performance of an R-600a refrigeration system

J Ko, JH Jeong - International Journal of Refrigeration, 2018 - Elsevier
Previous researches reported the observation of a thermodynamic non-equilibrium two-
phase refrigerant between the condenser outlet and the expansion device inlet under a …

Helical capillary tube sizing charts for all mixture ratios of R125, R134a and R32

W Pirompugd, S Wongwises - International Journal of Air …, 2016 - World Scientific
This research presents two helical capillary tube sizing charts for R407C and R410A, two
correction charts for another tube size, and a correction chart for all mixture ratios of R125 …

Sizing charts of helical capillary tubes used in refrigeration and air conditioning

S Chingulpitak, O Mahian, AS Dalkilic… - … and Technology for …, 2019 - Taylor & Francis
This paper presents new selection and correction factor charts for the sizing of adiabatic
helical capillary tubes operating with alternative refrigerants. The mathematical model is …

Numerical and experimental investigation of the flow characteristics of R134a flowing through adiabatic helical capillary tubes

S Chingulpitak, J Kaew-On… - International Journal of Air …, 2012 - World Scientific
This paper presents numerical and experimental results of the flow characteristics of R134a
flowing through adiabatic helical capillary tubes. The local pressure distribution along the …