Heat transfer in a U-bend pipe flow at supercritical pressure

T You, Y Pan, Y Zhai, H Wang, Z Li - International Journal of Heat and Mass …, 2022 - Elsevier
U-bend is widely used as a pipe fitting in heat exchangers, but the flow and heat transfer of
supercritical fluid in and following a U-bend have not been well understood yet. This work …

Use of an artificial neural network to predict the heat transfer of supercritical R134a in a horizontal internally ribbed tube

D Wang, S Guo, Y Zhao, S Li, L Li - Applied Thermal Engineering, 2023 - Elsevier
The heat transfer of supercritical R134a in a horizontal internally ribbed tube was predicted
by using a back propagation artificial neural network (ANN). The network was trained based …

Estudo experimental e modelo de simulação do inventário de refrigerante em uma bomba de calor a CO2 dotada de evaporador solar

GM Humia - 2022 - repositorio.ufmg.br
Diante da grave crise hídrica enfrentada pelo mundo nas últimas décadas, e tendo-se em
vista que no Brasil, até o ano de 2021, as usinas hidrelétricas eram responsáveis por mais …

Numerical and experimental investigation of heat transfer in the spiral coiled tubes: Correlation development for Nusselt number and friction coefficient calculation

S Farhadi, Y Shekari, H Ansari - International Communications in Heat and …, 2024 - Elsevier
In this paper, we present a comprehensive study on the heat transfer in the spiral coiled
tubes, employing both numerical simulations and experimental analysis. The investigation …

Numerical study of turbulent convective heat transfer of aviation kerosene in coiled pipes

W Fan, F Zhong - Journal of Heat Transfer, 2021 - asmedigitalcollection.asme.org
Turbulent flow and convective heat transfer of kerosene in coiled pipes with different wall
boundary conditions and curvature radii of coiled pipes are numerically studied. The …

Development of a New Heat Transfer Correlation for Flow of Supercritical Steam in Spiral Tubes Under Deteriorated Heat Transfer Regime

DK Kanungo - ASME Journal of Heat and Mass …, 2023 - asmedigitalcollection.asme.org
Heat transfer to supercritical steam flowing inside spiral tube under deteriorated heat
transfer regime is investigated in this work using three-dimensional numerical simulations …

Heat Transfer Prediction of Supercritical R134a in Horizontal Pipe by Artificial Neural Network

D Wang, W Wu, S Li - 2023 3rd International Conference on …, 2023 - ieeexplore.ieee.org
The present study proposes a method to predict the heat transfer of supercritical R134a in
both smooth and internally ribbed tubes using an artificial neural network (ANN). A detailed …

Effect of wall roughness on heat transfer in the supercritical water flow

PM Tripathi, S Basu - arXiv preprint arXiv:2012.03590, 2020 - arxiv.org
This paper discusses the numerical investigation of the wall roughness effect on the
supercritical water flow susceptible to heat transfer deterioration (HTD). The simulation was …

[PDF][PDF] An Appropriate Numerical Model to Capture Pseudocritical Property Change of Steam Flowing Inside Straight Tube

DK Kanungo, N Mocherla, R Murmu, B Sahoo, H Sutar - researchgate.net
The use of supercritical fluids in industries is becoming more and more common due to
various reasons such as reduced environmental effects and improved efficiency. Because of …

[PDF][PDF] Capturing Pseudocritical Property change of Steam in a Spiral Steam Pipe of a Boiler Through Numerical Technique

DK Kanungo, P Senapati, H Sutar - researchgate.net
Heat transfer characteristics of fluids is rather peculiar when the bulk fluid temperature
approaches pseudocritical point. In the present paper, computational fluid dynamics (CFD) …