Heat transfer coefficient: a review of measurement techniques

TA Moreira, ARA Colmanetti, CB Tibirica - Journal of the Brazilian Society …, 2019 - Springer
Heat transfer coefficient is a basic parameter used in the calculation of convective heat
transfer problems. Due to the importance of the experimental measurements for the …

Numerical investigation of tube bundle arrangement effect on falling film fluid flow and heat transfer

CY Zhao, ZL Yao, D Qi, WT Ji, AG Li, WQ Tao - Applied Thermal …, 2022 - Elsevier
Falling film heat transfer, an advanced technology, has been widely applied in the
refrigeration and desalination system and beyond. Numerical simulations are conducted …

A general approach in optimization of heat exchangers by bio-inspired artificial intelligence methods

J Krzywanski - Energies, 2019 - mdpi.com
The paper introduces the artificial intelligence (AI) approach as a general method for the
design and optimization study of heat exchangers. Genetic Algorithms (GA) and Artificial …

Hydrodynamic behaviors of the falling film flow on a horizontal tube and construction of new film thickness correlation

CY Zhao, WT Ji, PH Jin, YJ Zhong, WQ Tao - International Journal of Heat …, 2018 - Elsevier
The laminar liquid film falling on a horizontal smooth tube is studied numerically. The
instantaneous hydrodynamic characteristics of falling film flow, the importance of surface …

On falling film evaporator–A review of mechanisms and critical assessment of correlation on a horizontal tube bundle with updated development

HY Lin, M Muneeshwaran, CM Yang, K Nawaz… - … Communications in Heat …, 2024 - Elsevier
Optimization of the energy efficiency and reduction of the greenhouse gas emission for the
heat pump system is imperative to meet the net-zero goals at 2050. Chillers with falling film …

Numerical simulation of heat transfer characteristics of falling-film evaporation of R32/R134a non-azeotropic refrigerant outside a horizontal tube

Q Wang, X Liu, M Li, D Su, C Dang - International Communications in Heat …, 2023 - Elsevier
In response to the restrictions of the international community on the utilization of refrigerants
with high GWP, the replacement of high-GWP refrigerants with non-azeotropic refrigerants …

Experimental investigation of R410A and R32 falling film evaporation on horizontal enhanced tubes

PH Jin, CY Zhao, WT Ji, WQ Tao - Applied Thermal Engineering, 2018 - Elsevier
In this study, heat transfer performance on horizontal copper tubes of high pressure
refrigerants R32 and R410A was investigated. An integrated fin (condensation enhanced) …

Heat transfer correlations of refrigerant falling film evaporation on a single horizontal smooth tube

PH Jin, Z Zhang, I Mostafa, CY Zhao, WT Ji… - International Journal of …, 2019 - Elsevier
Falling film evaporation heat transfer of R134a and its potential substitutes R290 and R600a
outside a single horizontal plain tube is experimentally investigated, and the effects of the …

Experimental study of heat transfer enhancement in a falling film of R21 on an array of horizontal tubes with MAO coating

N Pecherkin, A Pavlenko, O Volodin, A Kataev… - … Communications in Heat …, 2021 - Elsevier
The paper presents investigation results on heat transfer in falling films of refrigerant R21 on
an array of horizontal tubes with a coating deposited by the method of microarc oxidation …

Numerical simulation of falling film sensible heat transfer over round horizontal tubes

A Karmakar, S Acharya - International Journal of Heat and Mass Transfer, 2022 - Elsevier
Numerical simulations are performed to explore the heat transfer characteristics of falling
films over horizontal round tubes with uniform heat flux imposed for a range of Reynolds …