Results 61 to 70 of about 205 (173)

Peculiarities of the influence of relative volatility of components on the calculation and structure of multicomponent vapor-liquid equilibrium diagrams

Тонкие химические технологии, 2011
The importance of relative volatility of components and α-manifolds closely associated with this magnitude for investigation and revelation of qualitative and quantitative regularities of rectification of multicomponent ideal and non-ideal zeotropic ...
K. Yu. Tarkhov, L. A. Serafimov, A. M. Andreeva   +2 more
doaj  

CFD-guided thermodynamic evaluation of zeotropic mixtures in vertical channels for sustainable heat pump systems

Case Studies in Thermal Engineering
Zeotropic refrigerant mixtures are pivotal for decarbonizing heat pump technologies, particularly in emerging district heating applications, due to their compositional versatility and temperature glide characteristics.
Zongguo Xue, Jierong Liang, Wilko Rohlfs, Yunfei Yan, Chenghua Zhang, Yonghong Wu, Tingting Zhu   +6 more
doaj   +1 more source

Experimental Study and Optimization of the Organic Rankine Cycle with Pure Novec^TM649 and Zeotropic Mixture Novec^TM649/HFE7000 as Working Fluid

Applied Sciences, 2019
The Organic Rankine Cycle (ORC) is widely used in industry to recover low-grade heat. Recently, some research on the ORC has focused on micro power production with new low global warming potential (GWP) replacement working fluids.
Quentin Blondel, Nicolas Tauveron, Nadia Caney, Nicolas Voeltzel   +3 more
doaj   +1 more source

Zeotropic mixture as a working fluid for cascade Rankine cycle-based reverse osmosis: Energy, exergy, and economic analysis

International Journal of Thermofluids
This study investigates the cascade Rankine cycle coupled with a reverse osmosis system for brackish groundwater treatment. The proposed system integrates a steam Rankine cycle (SRC) and an organic Rankine cycle (ORC) in a looped configuration, utilizing
Milan Raninga, Anurag Mudgal, Vivek Patel, Jatin Patel   +3 more
doaj   +1 more source

Investigation on geothermal binary-flashing cycle employing zeotropic mixtures as working fluids

Geothermal Energy, 2019
The binary-flashing cycle (BFC) is supposed to be a promising technology for geothermal recovery due to the full use of geofluid. For further performance improvement, the potential of using mixtures of a hydrocarbon and a retardant in the BFC system is ...
Lingbao Wang, Xianbiao Bu, Huashan Li
doaj   +1 more source

Multi-Objective Optimization of the Basic and Regenerative ORC Integrated with Working Fluid Selection. [PDF]

Entropy (Basel), 2022
Zhou Y, Ruan J, Hong G, Miao Z.
europepmc   +1 more source

Energy and exergy analysis of a modified three-stage auto-cascade refrigeration cycle using low-GWP refrigerants for sustainable development. [PDF]

J Therm Anal Calorim, 2023
Qin Y, Li N, Zhang H, Liu B.
europepmc   +1 more source

A comparison of direct and indirect splits based on the energy costs

Тонкие химические технологии, 2013
The values of minimum reflux ratio for distillation of zeotropic ternary mixtures were calculated in case of direct and indirect splits. A comparative analysis of these regimes was carried out using the vapor flow criterion.
P. O. Mavletkulova, L. A. Serafimov, T. V. Arkhipova   +2 more
doaj  

Performance Analysis on a Power and Ejector-Refrigeration System and the Involved Ejector

Frontiers in Energy Research, 2019
In order to make better use of the thermal energy at low and medium temperature and improve the organic Rankine cycle performance, the power, and ejector-refrigeration system has been put forward and a lot of research has been carried out.
Xiaolin Zhang, Shuai Deng, Li Zhao, Wen Su, Wen Su, Weicong Xu   +5 more
doaj   +1 more source

Evaluating a Meanline Model for Partially Admitted Axial Turbines Operating in Organic Rankine Cycles: Extensive Experimental Validation with Multiple Working Fluids and Mixtures

Energies
This study aims to evaluate the robustness of the well proved Aungier meanline model, originally developed for air and steam turbines, on Organic Rankine Cycles (ORC) turbines.
Robin Gautier, Nicolas Tauveron
doaj   +1 more source