Improvement on numerical simulation of supercritical water flow in horizontal tubes: A buoyancy-tuned turbulent Prandtl number model

Z Hou, X Guo, Z Liang, K Yang, C Yang… - International Journal of …, 2024 - Elsevier
To improve the predictive accuracy of numerical simulations for supercritical water, the effect
of turbulent Prandtl number (Pr t) on supercritical water heat transfer was extensively studied …

Simulation and Optimization: A New Direction in Supercritical Technology Based Nanomedicine

Y Huang, Y Zheng, X Lu, Y Zhao, D Zhou, Y Zhang… - Bioengineering, 2023 - mdpi.com
In recent years, nanomedicines prepared using supercritical technology have garnered
widespread research attention due to their inherent attributes, including structural stability …

Upstream heating history effects on heat transfer of supercritical R134a in transcritical organic Rankine cycle

Y Pan, Y Zhai, H Wang, Z Li - Energy, 2024 - Elsevier
A comprehensive understanding on the heat transfer of supercritical working fluid is critical
for the design of vapor generator in transcritical Organic Rankine Cycles. The thermal …

Effect of bend orientation on the heat transfer performance of U-bend vapor generator in transcritical ORC

W Wang, S Yuan, Y Zhai, Z Li, H Wang - Applied Thermal Engineering, 2024 - Elsevier
Adequate recognition of supercritical heat transfer characteristics in U-bends is important to
guide the optimization of the design and practical application of heat exchanges containing …

Study on flow and heat transfer characteristics of supercritical CO2 inside horizontal tube under ocean rolling condition

H Shao, C Li, M Liao, Y Wang, Z Liang, Q Zhao - Annals of Nuclear Energy, 2023 - Elsevier
The flow and heat transfer characteristics of supercritical CO 2 in a horizontal tube are
studied numerically under the condition of ocean rolling. It is found that the rolling motion is …

Optimization of an axial coarse powder separator for low-density lignite based on the optimal seeking method

H Li, Z Song, A Zhang, Z Sun, L Jin - Particuology, 2023 - Elsevier
As a major equipment for thermal power plants, the main function of coarse powder
separators is to separate particles into size groups according to particle diameter. With the …

Enhancement of supercritical heat transfer in U-bend by partial curvature

Y Gao, G Yang, Y Zhai, H Wang, Z Li - … Journal of Heat and Fluid Flow, 2024 - Elsevier
This study explores the introduction of partially curved, composite U-bends into a
supercritical vapor generator of Organic Rankine Cycle. The curved section of composite U …

Study on the effect of ocean rolling motion on the thermal–hydraulic performance of supercritical carbon dioxide in horizontal tube

H Shao, C Li, X Li, M Liao, Z Liang, Q Zhao - Annals of Nuclear Energy, 2023 - Elsevier
The effect of ocean rolling motion on the flow and heat transfer characteristics of the S-CO 2
has been numerically investigated in this article. The results showed that increasing the …

Development of a high-order solver for large eddy simulation of turbulent heat transfer at supercritical pressure based on Nek5000

Y Ren, ZC Hu - Physics of Fluids, 2024 - pubs.aip.org
Turbulent heat transfer at supercritical pressure is a complex flow phenomenon due to
drastic variations in fluid properties near the pseudocritical point. Numerical simulation is an …

湍流普朗特数模型对水平圆管内sCO2传热预测的影响

谢雄州, 叶道铭, 黄俊辉, 王建勇 - 动力工程学报, 2023 - epjournal.csee.org.cn
基于SST k-ω 湍流模型系统探究了典型湍流普朗特数模型对水平圆管内超临界二氧化碳传热
数值模拟的影响, 并通过与实验数据的对比, 分析不同湍流普朗特数模型的预测能力. 结果表明 …