Experimental study of falling film evaporation of refrigerants, R32, R1234yf, R410A, R452B and R454B on horizontal tubes

CY Hsu, LH Chien, JC Chang - International Journal of Heat and Mass …, 2023 - Elsevier
This study investigates the heat transfer performance of the falling film evaporation and pool
boiling of low-GWP refrigerants, R452B and R454B, for the replacement of R410A. Fluids …

Improvement of offshore adaptability of main cryogenic heat exchanger in FLNG dual mixed refrigerant liquefaction process

C Sun, X Cao, Y Li, J Zhu, L Liu - International Journal of Heat and Mass …, 2021 - Elsevier
The dual mixed refrigerant liquefaction process and its key equipment applied in FLNG
(floating liquefied natural gas) suffer performance deterioration due to the offshore …

Development of methods for heat transfer enhancement during nitrogen boiling to ensure stabilization of HTS devices

AN Pavlenko, DV Kuznetsov - Journal of Engineering Thermophysics, 2021 - Springer
The paper presents a brief analysis of current achievements and key issues in the field of
heat transfer and critical heat flux enhancement during boiling of cryogenic liquids and …

[HTML][HTML] Research on the falling film flow and heat transfer characteristics of FLNG spiral wound heat exchanger under sea conditions

CZ Sun, L Liu, YX Li, JL Zhu - Petroleum Science, 2022 - Elsevier
As the key equipment of floating liquefied natural gas (FLNG) process, the performance of
spiral wound heat exchanger (SWHE) influences operation costs and reliability of the whole …

Experimental study of falling film evaporation in tube bundles of doubly-enhanced, horizontal tubes

PH Jin, Z Zhang, I Mostafa, CY Zhao, WT Ji… - Applied Thermal …, 2020 - Elsevier
Falling film evaporation (FFE) involves complicated physical phenomena and mechanisms
such as wavy liquid film, bubbly flow, capillary-driven evaporation and nucleate boiling. FFE …

Experimental study on falling film evaporation heat transfer outside a horizontal tube in refrigeration system

Q Wang, D Su, L Yao, M Li, C Dang, J Li, X Liu… - Applied Thermal …, 2024 - Elsevier
Abstracts With the restriction on the use of high-GWP refrigerants in the international
community, research on environmentally friendly refrigerant mixtures and reducing the use …

Numerical study on the effect of co-current gas flow on the falling film flow characteristics outside the horizontal tube

M Zhou, P Tao, X Di, J Zhou - Nuclear Engineering and Design, 2023 - Elsevier
Gas-liquid interactions are a ubiquitous feature of falling film exchangers in the nuclear
industry. In the current research, a 2D model is established to explore the impact of co …

Experimental study of the falling film evaporation coefficients of R290 in a horizontal enhanced tube array

I Mostafa, PH Jin, Z Zhang, WQ Tao - … Journal of Heat and Mass Transfer, 2020 - Elsevier
In this study, the falling film evaporation heat transfers of R290 on an array composed of five
enhancement horizontal tubes (groove tubes) are studied. The tests are performed at …

[HTML][HTML] Distribution of brine temperature in a large-scale horizontal-tube falling film evaporator

L Gong, S Zhou, Y Guo, S Shen - Applied Thermal Engineering, 2020 - Elsevier
Falling film evaporator applied in multi-effect evaporation device is normally operated under
small temperature differences. Considering the high sensitive of the evaporator, the …

Discontinuous and Transient Behavior Evolutionary Laws of Flow and Temperature Characteristics of Droplet Mode over a Horizontal Tube Falling Film

Y Zheng, X Zhao, Z Wang, C Jiang… - Industrial & …, 2023 - ACS Publications
The behavior of the droplet and the film thickness and temperature distribution of liquid film
are critical to heat and mass transfer performance, especially for discontinuous droplet …