Multi-Fidelity Combustor Design and Experimental Test for a Micro Gas Turbine System

Yize Liu, Theoklis Nikolaidis, Seyed Hossein Madani, Mohammad Sarkandi, Abdelaziz Gamil, Muhamad Firdaus Sainal and Seyed Vahid Hosseini
Additional contact information
Yize Liu: Centre for Propulsion Engineering, School of Aerospace Transport and Manufacturing (SATM), Cranfield University, Cranfield MK43 0AL, UK
Theoklis Nikolaidis: Centre for Propulsion Engineering, School of Aerospace Transport and Manufacturing (SATM), Cranfield University, Cranfield MK43 0AL, UK
Seyed Hossein Madani: Samad Power Ltd., Milton Keynes MK11 3JB, UK
Mohammad Sarkandi: Samad Power Ltd., Milton Keynes MK11 3JB, UK
Abdelaziz Gamil: Centre for Propulsion Engineering, School of Aerospace Transport and Manufacturing (SATM), Cranfield University, Cranfield MK43 0AL, UK
Muhamad Firdaus Sainal: Samad Power Ltd., Milton Keynes MK11 3JB, UK
Seyed Vahid Hosseini: School of Engineering and Computer Science, University of Hertfordshire, Hatfield AL10 9AB, UK

Energies, 2022, vol. 15, issue 7, 1-29

Abstract: A multi-fidelity micro combustor design approach is developed for a small-scale combined heat and power CHP system. The approach is characterised by the coupling of the developed preliminary design model using the combined method of 3D high-fidelity modelling and experimental testing. The integrated multi-physics schemes and their underlying interactions are initially provided. During the preliminary design phase, the rapid design exploration is achieved by the coupled reduced-order models, where the details of the combustion chamber layout, flow distributions, and burner geometry are defined as well as basic combustor performance. The high-fidelity modelling approach is then followed to provide insights into detailed flow and emission physics, which explores the effect of design parameters and optimises the design. The combustor is then fabricated and assembled in the MGT test bench. The experimental test is performed and indicates that the designed combustor is successfully implemented in the MGT system. The multi-physics models are then verified and validated against the test data. The details of refinement on lower-order models are given based on the insights acquired by high-fidelity methods. The shortage of conventional fossil fuels and the continued demand for energy supplies have led to the development of a micro-turbine system running renewable fuels. Numerical analysis is then carried out to assess the potential operation of biogas in terms of emission and performance. It produces less NOx emission but presents a flame stabilisation design challenge at lower methane content. The details of the strategy to address the flame stabilisation are also provided.

Keywords: micro gas turbine; combustor; design; numerical analysis; experiment; performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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