Skip to main content

Research Repository

Advanced Search

All Outputs (14)

Effect of Turbulence Models on Steam Condensation in Transoṇic Flows (2021)
Book Chapter
Wen, C., Karvounis, N., Walther, J. H., Ding, H., Yang, Y., Zhu, X., & Yan, Y. (2021). Effect of Turbulence Models on Steam Condensation in Transoṇic Flows. In Advances in Heat Transfer and Thermal Engineering: Proceedings of 16th UK Heat Transfer Conference (UKHTC2019) (711-715). Springer. https://doi.org/10.1007/978-981-33-4765-6_123

Turbulence modelling plays an important role in the numerical prediction of nonequilibrium condensations in transonic flows. The present study evaluates the effect of four different turbulence models, namely, k - ε standard, RNG, realizable, and k -... Read More about Effect of Turbulence Models on Steam Condensation in Transoṇic Flows.

Wet steam flow and condensation loss in turbine blade cascades (2021)
Journal Article
Wen, C., Yang, Y., Ding, H., Sun, C., & Yan, Y. (2021). Wet steam flow and condensation loss in turbine blade cascades. Applied Thermal Engineering, 189, Article 116748. https://doi.org/10.1016/j.applthermaleng.2021.116748

This study develops a wet steam modelling to solve the phase change process inside the blade cascade of a steam turbine. The comparative study is carried out to understand the impact of the dry gas model and wet steam model on predicting the flow beh... Read More about Wet steam flow and condensation loss in turbine blade cascades.

Numerical modelling of non-equilibrium condensation of carbon dioxide (CO2) in a converging-diverging nozzle (2020)
Conference Proceeding
Wen, C., Zhu, X., Yang, Y., Ding, H., & Yan, Y. (2020). Numerical modelling of non-equilibrium condensation of carbon dioxide (CO2) in a converging-diverging nozzle. In AIP Conference Proceedings 2293 (420077-1–420077-4). https://doi.org/10.1063/5.0027863

The condensing flow model is developed to predict the non-equilibrium condensation of CO2 in a converging-diverging nozzle using computational fluid dynamics modelling, which is expected to contribute to the carbon capture and storage. The numerical... Read More about Numerical modelling of non-equilibrium condensation of carbon dioxide (CO2) in a converging-diverging nozzle.

Polydispersed droplet spectrum and exergy analysis in wet steam flows using method of moments (2020)
Journal Article
Ding, H., Tian, Y., Wen, C., Wang, C., & Sun, C. (2021). Polydispersed droplet spectrum and exergy analysis in wet steam flows using method of moments. Applied Thermal Engineering, 182, Article 116148. https://doi.org/10.1016/j.applthermaleng.2020.116148

In steam turbine flow, the complex droplet spectrum caused by nonequilibrium condensation is necessary to be modeled accurately to predict the droplet behavior and estimate the exergy destruction and erosion rate. This study built and validated a pol... Read More about Polydispersed droplet spectrum and exergy analysis in wet steam flows using method of moments.

Steam ejector performance considering phase transition for multi-effect distillation with thermal vapour compression (MED-TVC) desalination system (2020)
Journal Article
Wen, C., Gong, L., Ding, H., & Yang, Y. (2020). Steam ejector performance considering phase transition for multi-effect distillation with thermal vapour compression (MED-TVC) desalination system. Applied Energy, 279, Article 115831. https://doi.org/10.1016/j.apenergy.2020.115831

The multi-effect distillation with thermal vapour compression (MED-TVC) desalination system is efficient to produce freshwater. The steam ejector performance is not fully understood as the phase transition has been ignored in many studies. The presen... Read More about Steam ejector performance considering phase transition for multi-effect distillation with thermal vapour compression (MED-TVC) desalination system.

Optimisation study of a supersonic separator considering nonequilibrium condensation behaviour (2020)
Journal Article
Wen, C., Ding, H., & Yang, Y. (2020). Optimisation study of a supersonic separator considering nonequilibrium condensation behaviour. Energy Conversion and Management, 222, Article 113210. https://doi.org/10.1016/j.enconman.2020.113210

The supersonic separation offers an opportunity for natural gas processing. The problem is that the phase change of water vapour in the supersonic flow is not fully understood in the presence of shock waves in a supersonic separator. This study aims... Read More about Optimisation study of a supersonic separator considering nonequilibrium condensation behaviour.

Performance of steam ejector with nonequilibrium condensation for multi-effect distillation with thermal vapour compression (MED-TVC) seawater desalination system (2020)
Journal Article
Wen, C., Ding, H., & Yang, Y. (2020). Performance of steam ejector with nonequilibrium condensation for multi-effect distillation with thermal vapour compression (MED-TVC) seawater desalination system. Desalination, 489, Article 114531. https://doi.org/10.1016/j.desal.2020.114531

The single-phase and two-phase flow models are developed and compared for the performance evaluation of a steam ejector for the multi-effect distillation with thermal vapour compression (MED-TVC) seawater desalination system. The results show that a... Read More about Performance of steam ejector with nonequilibrium condensation for multi-effect distillation with thermal vapour compression (MED-TVC) seawater desalination system.

Prediction of dehydration performance of supersonic separator based on a multi-fluid model with heterogeneous condensation (2020)
Journal Article
Sun, C., Ding, H., Wang, C., Wen, C., & Tian, Y. (2020). Prediction of dehydration performance of supersonic separator based on a multi-fluid model with heterogeneous condensation. Applied Thermal Engineering, 171, https://doi.org/10.1016/j.applthermaleng.2020.115074

Supersonic separation is a novel technology. A multi-fluid slip model for swirling flow with homogenous/heterogenous condensation and evaporation processes in the supersonic separator was built to estimate the separation efficiency. This model solves... Read More about Prediction of dehydration performance of supersonic separator based on a multi-fluid model with heterogeneous condensation.

Feature Extraction of Oscillating Flow with Vapor Condensation of Moist Air in a Sonic Nozzle (2020)
Journal Article
Ding, H., Li, Y., Wang, C., Wen, C., & Tian, Y. (2020). Feature Extraction of Oscillating Flow with Vapor Condensation of Moist Air in a Sonic Nozzle. IEEE Transactions on Instrumentation and Measurement, 69(9), 1-1. https://doi.org/10.1109/tim.2020.2967130

The sonic nozzle is commonly used in flow measurement. However, the non-equilibrium condensation phenomenon of moist air in the nozzle has a negative effect on the measuring accuracy. To investigate this complex phenomenon, the experiments on the osc... Read More about Feature Extraction of Oscillating Flow with Vapor Condensation of Moist Air in a Sonic Nozzle.

Non-equilibrium condensation of water vapour in supersonic flows with shock waves (2019)
Journal Article
Wen, C., Karvounis, N., Walther, J. H., Ding, H., & Yang, Y. (2020). Non-equilibrium condensation of water vapour in supersonic flows with shock waves. International Journal of Heat and Mass Transfer, 149, https://doi.org/10.1016/j.ijheatmasstransfer.2019.119109

The fluid flow and heat and mass transfer in a supersonic separator are not 14 understood well due to the complicated interaction of the supersonic flow, swirling flow, 15 phase transition and shock waves. In the present study, we develop a wet steam... Read More about Non-equilibrium condensation of water vapour in supersonic flows with shock waves.

Entropy generation and exergy destruction in condensing steam flow through turbine blade with surface roughness (2019)
Journal Article
Ding, H., Li, Y., Lakzian, E., Wen, C., & Wang, C. (2019). Entropy generation and exergy destruction in condensing steam flow through turbine blade with surface roughness. Energy Conversion and Management, 196, 1089-1104. https://doi.org/10.1016/j.enconman.2019.06.066

In the steam turbine, the wetness loss due to vapor condensation is one of the most crucial losses at low-pressure stage. This study focused on entropy generation and exergy destruction of condensing steam flow in turbine blade with the roughness. Th... Read More about Entropy generation and exergy destruction in condensing steam flow through turbine blade with surface roughness.

Performance of supersonic steam ejectors considering the nonequilibrium condensation phenomenon for efficient energy utilisation (2019)
Journal Article
Yang, Y., Zhu, X., Yan, Y., Ding, H., & Wen, C. (2019). Performance of supersonic steam ejectors considering the nonequilibrium condensation phenomenon for efficient energy utilisation. Applied Energy, 242, 157-167. https://doi.org/10.1016/j.apenergy.2019.03.023

Supersonic ejectors are of great interest for various industries as they can improve the quality of the low-grade heat source in an eco-friendly and sustainable way. However, the impact of steam condensation on the supersonic ejector performances is... Read More about Performance of supersonic steam ejectors considering the nonequilibrium condensation phenomenon for efficient energy utilisation.

An efficient approach to separate CO2 using supersonic flows for carbon capture and storage (2019)
Journal Article
Wen, C., Karvounis, N., Honore Walther, J., Yan, Y., Feng, Y., Yang, Y., & Yang, Y. (2019). An efficient approach to separate CO2 using supersonic flows for carbon capture and storage. Applied Energy, 238, 311-319. https://doi.org/10.1016/j.apenergy.2019.01.062

The mitigation of CO2 emissions is an effective measure to solve the climate change issue. In the present study, we propose an alternative approach for CO2 capture by employing supersonic flows. For this purpose, we first develop a computational flui... Read More about An efficient approach to separate CO2 using supersonic flows for carbon capture and storage.

CFD modeling of condensation process of water vapor in supersonic flows (2017)
Journal Article
Yang, Y., Walther, J. H., Yan, Y., & Wen, C. (2017). CFD modeling of condensation process of water vapor in supersonic flows. Applied Thermal Engineering, 115, 1357-1362. https://doi.org/10.1016/j.applthermaleng.2017.01.047

The condensation phenomenon of vapor plays an important role in various industries, such as the steam flow in turbines and refrigeration system. A mathematical model is developed to predict the spontaneous condensing phenomenon in the supersonic flow... Read More about CFD modeling of condensation process of water vapor in supersonic flows.