Investigation of organic Rankine cycles with zeotropic mixtures as a working fluid: Advantages and issues

GB Abadi, KC Kim - Renewable and Sustainable Energy Reviews, 2017 - Elsevier
Global warming has been a major concern, and the amount of CO 2 released to the
atmosphere keeps increasing due to overuse of the earth's fossil fuel reserves …

Peng-Robinson equation of state: 40 years through cubics

JS Lopez-Echeverry, S Reif-Acherman… - Fluid Phase …, 2017 - Elsevier
Since its publication in 1976, the Peng & Robinson equation of state (PR EoS) has become
one of the most useful and successfully applied models for thermodynamic and volumetric …

The fluorinated olefin R-1234ze (Z) as a high-temperature heat pumping refrigerant

JS Brown, C Zilio, A Cavallini - International Journal of refrigeration, 2009 - Elsevier
Estimates are provided for R-1234ze (Z) of its:(1) critical temperature, pressure, and density,
acentric factor, and ideal gas specific heat at constant pressure, and (2) various …

Three-dimensional off-design numerical analysis of an organic Rankine cycle radial-inflow turbine

E Sauret, Y Gu - Applied Energy, 2014 - Elsevier
Optimisation of organic Rankine cycles (ORCs) for binary cycle applications could play a
major role in determining the competitiveness of low to moderate renewable sources. An …

[HTML][HTML] Effect of feed pressure and long-term separation performance of Pebax-ionic liquid membranes for the recovery of difluoromethane (R32) from refrigerant …

F Pardo, G Zarca, A Urtiaga - Journal of Membrane Science, 2021 - Elsevier
The R410A refrigerant blend (GWP= 2088), a near azeotropic and equimass mixture of
difluoromethane (R32, GWP= 675) and pentafluoroethane (R125, GWP= 3500), has been …

Potential of the transcritical Rankine cycle using CO2-based binary zeotropic mixtures for engine's waste heat recovery

G Shu, Z Yu, H Tian, P Liu, Z Xu - Energy Conversion and Management, 2018 - Elsevier
The CO 2 transcritical Rankine cycle has considerable potential for the waste heat recovery
of engine, but its high operation pressure, harsh condensation condition and low …

Separation of Refrigerant Gas Mixtures Containing R32, R134a, and R1234yf through Poly(ether-block-amide) Membranes

F Pardo, G Zarca, A Urtiaga - ACS Sustainable Chemistry & …, 2020 - ACS Publications
Hydrofluorocarbons (HFCs) are powerful greenhouse gases whose production and
consumption must be phased down in order to reach the reduction goals established by the …

Thermodynamic properties of eight fluorinated olefins

JS Brown, C Zilio, A Cavallini - International Journal of Refrigeration, 2010 - Elsevier
Group contribution methods are used to predict the critical temperatures, critical pressures,
critical densities, acentric factors, and ideal gas specific heats at constant pressure for eight …

Preliminary design and off-design performance analysis of an Organic Rankine Cycle radial-inflow turbine based on mathematic method and CFD method

Y Zheng, D Hu, Y Cao, Y Dai - Applied Thermal Engineering, 2017 - Elsevier
As a critical component of Organic Rankine Cycle (ORC) system, the turbine selection has
an enormous influence on the system performance. Challenges in the numerical modeling …

Theoretical and experimental research on the thermal performance of ocean thermal energy conversion system using the rankine cycle mode

F Chen, L Liu, J Peng, Y Ge, H Wu, W Liu - Energy, 2019 - Elsevier
In this paper theoretical analysis of an ocean thermal energy conversion (OTEC) system was
conducted using the Rankine cycle based on the first law of thermodynamics and a …