Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Nicholas A. Worth"'
Publikováno v:
Wind Energy, Vol 26, Iss 10, Pp 1049-1065 (2023)
Abstract With the increasing demand for wind energy, it is important to be able to understand and predict the available wind resources. To that end, the present wind tunnel study addresses the flow in the induction and entrance region of wind farms t
Externí odkaz:
https://doaj.org/article/37b8c5a515994b5585818dc04e6ca899
Publikováno v:
Journal of Engineering for Gas Turbines and Power. 145
The Flame Transfer Function (FTF) has been experimentally investigated for a premixed, turbulent and highly swirled flame in rectangular enclosures with varying aspect ratio. A range of equivalence ratios and inlet bulk velocities are considered to v
Autor:
Nicholas A. Worth, James R. Dawson, Yi Hao Kwah, Byeonguk Ahn, Thomas Indlekofer, Marek Mazur, Samuel Wiseman
Publikováno v:
Combustion and Flame
Combustion and Flame, Elsevier, 2021, 228, pp.375-387. ⟨10.1016/j.combustflame.2021.02.015⟩
Combustion and Flame, Elsevier, 2021, 228, pp.375-387. ⟨10.1016/j.combustflame.2021.02.015⟩
The present work introduces an annular combustion chamber operated at intermediate pressures. The combustor is operated with CH-H blends leading to a variety of azimuthal combustion instabilities. The influence of the hydrogen content, the air mass f
Publikováno v:
Journal of Fluid Mechanics
A40
A40
We explore experimentally whether axisymmetry breaking can be exploited for the open-loop control of a prototypical hydrodynamic oscillator, namely a low-density inertial jet exhibiting global self-excited axisymmetric oscillations. We find that when
Publikováno v:
Combustion and Flame
This paper investigates how targeted interference between two well characterized sources of hydrodynamic disturbances can modify the response of premixed bluff body stabilised H 2 / CH 4 flames with and without swirl. We introduce modulations into th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2780b3376d5375766b964c64ad0fbdd1
https://hdl.handle.net/11250/2827940
https://hdl.handle.net/11250/2827940
Publikováno v:
112274-?
Combustion and Flame
Combustion and Flame
In this study, the heat release rate (HRR) response during self-excited azimuthal thermoacoustic instabilities in a pressurized annular combustor is investigated for hydrogen/methane blended flames. The equivalence ratio and hydrogen power fraction w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8fffc436c56ac07257defc4345a8691
https://hdl.handle.net/11250/3041876
https://hdl.handle.net/11250/3041876
Publikováno v:
Proceedings of the Combustion Institute
In this paper we demonstrate direct suppression of self-excited thermoacoustic instabilities over a range of operating conditions using targeted convective-acoustic interference. Premixed hydrogen enriched methane-air flames were confined in a cylind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13c5a921a613927b3cf607a3b0a4cd65
https://hdl.handle.net/11250/3046507
https://hdl.handle.net/11250/3046507
Publikováno v:
Proceedings of the Combustion Institute
Can-annular combustors are equipped with a set of nominally identical cans, circumferentially arranged around the shaft. Adjacent cans are coupled acoustically via a small gap at the downstream end, where the circular cross-section transitions into t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df9fb08a622a3945e1b9c0ba8c486e2c
https://hdl.handle.net/11250/3055514
https://hdl.handle.net/11250/3055514
Publikováno v:
Experiments in Fluids
Abstract This study outlines a variant of three-dimensional OH planar laser-induced fluorescence and its application in characterising a single bluff body stabilised flame inside a 12 burner annular combustor. In this variant of the method a relative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f2c93499e9187f8910e3eee918318cf
https://hdl.handle.net/11250/3032282
https://hdl.handle.net/11250/3032282
Publikováno v:
Journal of Fluid Mechanics
The hydrodynamic response of an axisymmetric jet placed at various positions in a standing wave oriented normally to the jet is investigated. At the velocity and pressure nodes the axisymmetric (m=0) and first azimuthal (m=±1) modes are excited, res