Novel Experiments for the Investigation of Non-Ideal Compressible Fluid Dynamics: The ORCHID and First Results of Optical Measurements

The vast number of pioneering theoretical developments inthe area of non-classical gas dynamics together with the rising number ofapplications of organic Rankine cycle (ORC) technology have shaped a new branchof fluid mechanics called non-ideal compressible fluid dynamics (NICFD). Thisfield of fluid mechanics is concerned...

Progress in CFD-based automated design with application to unconventional turbomachines

The urgent need to transition to a climate-neutral society requires rapid development and adoption of renewable technologies. Key enablers of conventional and future renewable energy conversion technologies are turbomachines. However, the specific requirements of these turbines and compressors, e.g. operation under highly non-uniform flow or...

Emission Modelling from a Multi-Fuel Dual Combustor Gas Turbine

Future transport and energy systems will still rely on gas turbines for energy conversion. The contribution of aviation to the emission of greenhouse gases and other pollutant species is predicted to increase in the near future, both in absolute quantities as well as relative to other sources. Despite historically being one of the greatest...

Numerical investigation of dense condensing flows for next-generation power units

Metastable condensation is the phase transition from vapor to liquid that occurs in a fluid subjected to rapid temperature variations. Under these conditions, the nucleation process is triggered when the fluid is in a supersaturated thermodynamic state. The dispersed phase forming during the process of condensation is not in stable thermodynamic...

Advancements in automated design methods for NICFD turbomachinery

The transition towards a more affordable, reliable, and sustainable energy provision paradigm is one of the main 21st century challenges that humanity must overcome to protect the planet from the harmful effect caused by climate change. The concentration of CO2 in the atmosphere has been dramatically increasing since the pre-industrial era. If...

Experimental Observation of Non-Ideal Compressible Fluid Dynamics: with Application in Organic Rankine Cycle Power Systems