Search Results - "White, Martin T."

A Generalised Assessment of Working Fluids and Radial Turbines for Non-Recuperated Subcritical Organic Rankine Cycles by White, Martin, Sayma, Abdulnaser

“…The aim of this paper is to conduct a generalised assessment of both optimal working fluids and radial turbine designs for small-scale organic Rankine cycle…”
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Cycle and turbine optimisation for an ORC operating with two-phase expansion by White, Martin T.

“…•Novel ORC system operating with two-phase expansion and radial-inflow turbine.•Single- and multi-objective cycle optimisation for 150, 200 and 250 °C heat…”
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Investigating the wet-to-dry expansion of organic fluids for power generation by White, Martin T.

“…•Wet-to-dry feasibility parameter introduced to assess fluids for wet-to-dry expansion.•MM and MDM identified as promising fluids with ideal 2nd law…”
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Review of supercritical CO2 technologies and systems for power generation by White, Martin T., Bianchi, Giuseppe, Chai, Lei, Tassou, Savvas A., Sayma, Abdulnaser I.

“…Thermal-power cycles operating with supercritical carbon dioxide (sCO2) could have a significant role in future power generation systems with applications…”
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pocketTHERM: A web-based tool for teaching non-ideal thermodynamic cycles by White, Martin T.

“…pocketTHERM is a set of web-based calculators intended to be used as a teaching tool to introduce basic principles related to thermodynamic cycles operating…”
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A new method to identify the optimal temperature of latent-heat thermal-energy storage systems for power generation from waste heat by White, Martin T., Sayma, Abdulnaser I.

“…•Novel method proposed to identify optimal TES systems for waste-heat recovery.•Provides fast performance estimates based only on heat source and heat…”
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A comparison of axial turbine loss models for air, sCO2 and ORC turbines across a range of scales by Salah, Salma I., White, Martin T., Sayma, Abdulnaser I.

“…Loss models are used to evaluate the aerodynamic performance of axial turbines at the preliminary design stage. The commonly used loss models were derived for…”
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Mean-Line Design of a Supercritical CO2 Micro Axial Turbine by Salah, Salma I., Khader, Mahmoud A., White, Martin T., Sayma, Abdulnaser I.

“…Supercritical carbon dioxide (sCO2) power cycles are promising candidates for concentrated-solar power and waste-heat recovery applications, having advantages…”
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Simultaneous Cycle Optimization and Fluid Selection for ORC Systems Accounting for the Effect of the Operating Conditions on Turbine Efficiency by White, Martin T., Sayma, Abdulnaser I.

“…The design of optimal organic Rankine cycle (ORC) systems requires the simultaneous identification of the optimal cycle architecture, operating conditions and…”
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Design of a 130 MW Axial Turbine Operating with a Supercritical Carbon Dioxide Mixture for the SCARABEUS Project by Abdeldayem, Abdelrahman S., Salah, Salma I., Aqel, Omar A., White, Martin T., Sayma, Abdulnaser I.

“…Supercritical carbon dioxide (sCO2) can be mixed with dopants such as titanium tetrachloride (TiCl4), hexafluoro-benzene (C6F6), and sulphur dioxide (SO2) to…”
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Non-equilibrium CFD simulation of the wet-to-dry expansion of the siloxane MM in a converging–diverging nozzle by Ogrodniczak, Pawel, White, Martin T.

“…Wet-to-dry organic Rankine cycles could generate 30% higher power outputs in the temperature range of 150 to 250 °C compared to existing single-phase cycles…”
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Industrial waste-heat recovery through integrated computer-aided working-fluid and ORC system optimisation using SAFT-γ Mie by White, Martin T., Oyewunmi, Oyeniyi A., Haslam, Andrew J., Markides, Christos N.

“…•SAFT-γ Mie is a suitable equation of state for CAMD-ORC optimisation frameworks.•Optimal working fluids maximise the reduced pressure and minimise…”
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Off-design performance assessment of an axial turbine for a 100 MWe concentrated solar power plant operating with CO2 mixtures by Salah, Salma I., Abdeldayem, Abdelrahman S., White, Martin T., Sayma, Abdulnaser I.

“…This paper presents an investigation of the aerodynamic performance of a 130 MW axial turbine operating with a CO2/SO2 mixture using a mean-line off-design…”
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Making the case for cascaded organic Rankine cycles for waste-heat recovery by White, Martin T., Read, Matthew G., Sayma, Abdulnaser I.

“…The design of single-stage organic Rankine cycle (ORC) systems can be challenging owing to large volumetric expansion ratios and sub-atmospheric condensation…”
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Axial turbine flow path design for concentrated solar power plants operating with CO2 blends by Salah, Salma I., Crespi, Francesco, White, Martin T., Muñoz, Antonio, Paggini, Andrea, Ruggiero, Marco, Sánchez, David, Sayma, Abdulnaser I.

“…The utilisation of certain blends based on supercritical CO2 (sCO2), namely CO2/TiCl4, CO2/C6F6 and CO2/SO2, have been found to be promising for enhancing the…”
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Review of supercritical CO 2 technologies and systems for power generation by White, Martin T., Bianchi, Giuseppe, Chai, Lei, Tassou, Savvas A., Sayma, Abdulnaser I.

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A comparison of axial turbine loss models for air, sCO 2 and ORC turbines across a range of scales by Salah, Salma I., White, Martin T., Sayma, Abdulnaser I.

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Industrial waste-heat recovery through integrated computer-aided working-fluid and ORC system optimisation using SAFT-? Mie by White, Martin T, Oyewunmi, Oyeniyi A, Haslam, Andrew J, Markides, Christos N

“…A mixed-integer non-linear programming optimisation framework is formulated and developed that combines a molecular-based, group-contribution equation of…”
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