[HTML][HTML] Machine learning based flow regime recognition in helically coiled tubes using X-ray radiography

D Breitenmoser, HM Prasser, A Manera… - International Journal of …, 2023 - Elsevier
The understanding of flow regimes in helical coils is essential in the design and operation of
modern heat exchangers and has been studied therefore intensively over the past decades …

A comparison of gas-liquid two-phase flow behaviors between two offshore pipeline-riser systems with different geometric parameters: From view of flow pattern …

Q Wu, S Zou, Q Xu, Y Chang, X Zhao, T Yao, L Guo - Ocean Engineering, 2023 - Elsevier
The accuracy of data-driven flow pattern identification in gas-liquid two-phase flow depends
on the quality of training data. If a high similarity of input parameters exists between the …

Two-phase flow structures in a helically coiled microchannel: An experimental investigation

S Saisorn, P Benjawun, A Suriyawong… - Physics of …, 2023 - pubs.aip.org
At the microfluidic scale, the utilization of helically coiled channels (HCCs), also known as a
spiral channel, for two-phase flow offers numerous advantages in various applications …

[HTML][HTML] Experimentally trained hybrid machine learning algorithm for predicting turbulent particle-laden flows in pipes

ZJ Yang, K Li, M Barigou - Physics of Fluids, 2023 - pubs.aip.org
A hybrid learning algorithm consisting of a preprocessor, a k-nearest neighbors regressor, a
noise generator, and a particle–wall collision model is introduced for predicting features of …

Experimental study on the liquid film characteristics of annular flow in the helical rectangular channel

X Liu, H Jiang, H Zhang, G Xia, Y Liu, D Zhao… - Flow Measurement and …, 2024 - Elsevier
A detailed insight into the liquid film characteristics in the helical channel of single screw
expander is of great significance for avoiding the leakage loss of higher pressure gas to …

High-accuracy recognition of gas–liquid two-phase flow patterns: A Flow–Hilbert–CNN hybrid model

P Zhang, X Cao, F Peng, Y Xu, D Guo, X Li… - Geoenergy Science and …, 2023 - Elsevier
In multiphase flow pipelines, the timely and precise identification of flow pattern
characteristics is crucial to guide industrial production, assess pipeline safety, and facilitate …

Characterization of liquid film distribution and sub-flow regimes of annular flow in helically coiled tubes using ring island array sensor

S Liu, K Wang, L Liu, Q Zhang, H Gu - International Journal of Multiphase …, 2023 - Elsevier
The distribution of liquid film thickness in helically coiled tubes (HCTs) directly affects the
heat transfer performance of the annular flow region. However, due to the limitation of …

[HTML][HTML] Experimental study on helical tubes heat transfer characteristics considering corrosion products

M Yulong, M Shuqi, L Xianghui, J Desheng… - Frontiers in Energy …, 2023 - frontiersin.org
During the power operation of nuclear reactors, the corrosion products in the secondary
circuit will deposit on the inside of Helical-coiled One-Through Steam Generator (H-OTSG) …

Experiments on Slug Flow Dynamics in Helically Coiled Tubes

Y Murai, M Ishikawa - Nuclear Technology, 2023 - Taylor & Francis
Slug flow characteristics in helically coiled tubes were investigated in experiments. Pressure
loss, slug velocity, and slug passing frequency were measured using pressure transducers …

[PDF][PDF] Research on the Application of KNN Algorithm Incorporating Gaussian Functions in Precision Marketing Classification of E-commerce Platforms

G Wang - Applied Mathematics and Nonlinear Sciences, 2023 - sciendo.com
The technology can fully explore the user's consumption behavior habits and help the e-
commerce platform formulate more precise marketing strategies in a targeted manner. This …