Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Kevin K. Schwarm"'
Autor:
Kevin K. Schwarm, R. Mitchell Spearrin
Publikováno v:
Applications in Energy and Combustion Science, Vol 16, Iss , Pp 100231- (2023)
Fast emissions sensing is needed to enable rapid optimization on-the-fly for increasingly adaptive engine architectures to improve performance over a wide range of loads and to offer fuel flexibility towards a low-carbon energy future. In this work,
Externí odkaz:
https://doaj.org/article/d3daf7e908a842f0afd206b105bf6bf2
Autor:
Kevin K. Schwarm, Nicolas Q. Minesi, Barathan Jeevaretanam, Sarah Enayati, Tsu-Chin Tsao, R. Mitchell Spearrin
Publikováno v:
ASME 2022 ICE Forward Conference.
A high-speed in-situ laser absorption sensor has been developed for cycle-resolved emissions analysis in the exhaust manifold of production-scale internal combustion engines. An inline sensor module, using optical fiber-coupling of interband and quan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a12bff1a46ace969db6111633fb7c1c4
https://doi.org/10.1115/icef2022-88543
https://doi.org/10.1115/icef2022-88543
Publikováno v:
Proceedings of the Combustion Institute.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c647fd10da6303982520861d2b3d8ae
https://doi.org/10.1016/j.proci.2022.07.092
https://doi.org/10.1016/j.proci.2022.07.092
Publikováno v:
Combustion and Flame. 224:239-247
Mid-infrared laser absorption imaging of flame temperature and species concentration is expanded to three dimensions with linear tomographic methods using Tikhonov regularization. A spatial convolution of two small-scale ( cm) laminar Bunsen-style fl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1890c46cba6f79939317a31d43239226
https://doi.org/10.1016/j.combustflame.2020.10.031
https://doi.org/10.1016/j.combustflame.2020.10.031
Publikováno v:
AIAA Propulsion and Energy 2021 Forum.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de6cbb2cf1731e6e1e0391fbb832ef23
https://doi.org/10.2514/6.2021-3513
https://doi.org/10.2514/6.2021-3513
Publikováno v:
Optics express. 29(14)
A deep learning method for laser absorption tomography was developed to effectively integrate physical priors related to flow-field thermochemistry and transport. Mid-fidelity reacting flow simulations were coupled with a forward molecular absorption
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::addcc21c8e02f3c71bb79aa731505367
https://pubmed.ncbi.nlm.nih.gov/34266015
https://pubmed.ncbi.nlm.nih.gov/34266015
Publikováno v:
Combustion and Flame. 207:379-390
A laser absorption diagnostic technique, probing the mid-infrared vibrational bands of 12C16O and 13C16O near 4.9 µm, was developed for sensitive multi-isotopologue temperature and concentration measurements in high-temperature gaseous systems. Tran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6b8a2dba1a22d0584a4808ebc140975
https://doi.org/10.1016/j.combustflame.2019.05.030
https://doi.org/10.1016/j.combustflame.2019.05.030
Autor:
Kevin K. Schwarm, R. Mitchell Spearrin, Daniel I. Pineda, Christopher S. Goldenstein, Huy Q. Dinh
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 227:145-151
An optically accessible gas cell has been designed, manufactured, and tested for the purpose of enabling spectroscopic measurements in the mid-wave infrared at both high pressures and high temperatures. The water-cooled inconel cell has been tested t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7979ca8102378718497d1be3e7b89a31
https://doi.org/10.1016/j.jqsrt.2019.01.029
https://doi.org/10.1016/j.jqsrt.2019.01.029
Publikováno v:
Optics letters. 45(8)
Mid-infrared laser absorption imaging of methane in flames is performed with a learning-based approach to the limited view-angle inversion problem. A deep neural network is trained with superimposed Gaussian field distributions of spectral absorption
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17c1391d7d9ef1ea65b749366eb31b21
https://pubmed.ncbi.nlm.nih.gov/32287255
https://pubmed.ncbi.nlm.nih.gov/32287255
Publikováno v:
Optical Sensors and Sensing Congress.
Mid-infrared laser absorption imaging of combustion species is expanded to three dimensions using a deep learning-based approach to the inversion problem. Initial CH4 and CO measurements are performed in laminar flames.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39cdbf750b01aa1cc903d8df74cb30d1
https://doi.org/10.1364/lacsea.2020.lth5f.1
https://doi.org/10.1364/lacsea.2020.lth5f.1