Relevant bibliographies by topics / Combustion LIBS

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Combustion LIBS'

Author: Grafiati
Published: 10 December 2022
Last updated: 31 July 2025

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Journal articles on the topic "Combustion LIBS"

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Sheta, Sahar, Muhammad Sher Afgan, Zongyu Hou, et al. "Coal analysis by laser-induced breakdown spectroscopy: a tutorial review." Journal of Analytical Atomic Spectrometry 34, no. 6 (2019): 1047–82. http://dx.doi.org/10.1039/c9ja00016j.

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This review article forms a guideline for LIBS contribution in coal analysis, encompassing fundamental aspects, operation modes, data processing, and analytical results. LIBS applications related to coal utilization are also highlighted (fly ash analysis and combustion monitoring).
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Zhang, Hansheng, Jagdish P. Singh, Fang-Yu Yueh, and Robert L. Cook. "Laser-Induced Breakdown Spectra in a Coal-Fired MHD Facility." Applied Spectroscopy 49, no. 11 (1995): 1617–23. http://dx.doi.org/10.1366/0003702953965759.

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A study of laser-induced breakdown spectroscopy (LIBS) has been performed in a particle-loaded methane/air flame and in the Diagnostic Instrumentation and Analysis Laboratory/Mississippi State University (DIAL/MSU) test stand to evaluate its application for practical environments. The LIBS spectra collected from different observational directions and spectral regions are compared. The forward LIBS technique has been chosen to characterize the upstream region of a large magnetohydrodynamics (MHD) coal-fired flow facility (CFFF). The relative concentrations of several species are inferred by fit
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Ge, Yifan, Nuerbiye Aizezi, Zhuoyan Zhou, Jinzhu Cai, and Yuzhu Liu. "In-situ online detection of carbon during combustion via laser-induced breakdown spectroscopy." Laser Physics 34, no. 6 (2024): 065701. http://dx.doi.org/10.1088/1555-6611/ad3cc9.

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Abstract The combustion of fossil fuels is primarily responsible for disrupting the carbon cycle equilibrium by releasing greenhouse gases (GHGs). Therefore, detecting GHG emissions from fossil fuels is extremely important. In this study, utilizing laser-induced breakdown spectroscopy (LIBS), a new method for real-time in-situ detection of carbon fluctuations during combustion has been developed. The combustion of fossil fuels is emulated through the controlled burning of candles within a confined area, and the elemental content of the surrounding air during this process is analyzed. Fluctuati
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Lu, Yihan, Sifan Zhao, and Junhao Zhu. "Mechanism and Protective Measures of Thermal Runaway in Lithium-ion Batteries." Highlights in Science, Engineering and Technology 83 (February 27, 2024): 528–32. http://dx.doi.org/10.54097/geq6ph86.

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Due to its benefits of having a high energy density, safety, and being environmentally friendly, lithium-ion batteries (LIBs) have developed into the most widely used energy storage equipment. However, LIBs are prone to frequent safety mishaps because of thermal runaways in large-scale commercial applications in industries including electric passenger vehicles, portable electronic gadgets, and distributed energy storage. The primary cause is because mechanical, electrical, and thermal abuse of LIBs can result in thermal runaway and potentially hazardous conditions including combustion and expl
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Liu, Changcheng, Que Huang, Kaihui Zheng, Jiawen Qin, Dechuang Zhou, and Jian Wang. "Impact of Lithium Salts on the Combustion Characteristics of Electrolyte under Diverse Pressures." Energies 13, no. 20 (2020): 5373. http://dx.doi.org/10.3390/en13205373.

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The electrolyte is one of the components that releases the most heat during the thermal runaway (TR) and combustion process of lithium-ion batteries (LIBs). Therefore, the thermal hazard of the electrolyte has a significant impact on the safety of LIBs. In this paper, the combustion characteristics of the electrolyte such as parameters of heat release rate (HRR), mass loss rate (MLR) and total heat release (THR) have been investigated and analyzed. In order to meet the current demand of plateau sections with low-pressure and low-oxygen areas on LIBs, an electrolyte with the most commonly used
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Fei, Annan. "Electrode design to improve the performance of batteries." Journal of Physics: Conference Series 2798, no. 1 (2024): 012022. http://dx.doi.org/10.1088/1742-6596/2798/1/012022.

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Abstract The development of electric energy effectively improved the lack of energy and the environment damage causing by fossil fuel abuse. Batteries, as a common electric power source, can be able to provide no carbon emission or polluted air compared to internal combustion engine and is now replacing them in increasing number of fields. Among them, lithium-ion batteries (LIBs) hold the highest energy density and capacity, and own the most widely usage. However, their properties are still limited and confine the LIBs being used in more extremely condition. To solve the problems, scientists a
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Lee, Won-Ju, Dae-Young Kim, Jae-Hyuk Choi, et al. "Utilization of Petroleum Coke Soot as Energy Storage Material." Energies 12, no. 16 (2019): 3195. http://dx.doi.org/10.3390/en12163195.

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Anode active materials for lithium ion batteries (LIBs) were produced by using waste soot generated after combustion in a plant using petroleum coke as fuel. The soot collected from the boilers in the plant was graphitized through annealing, and this annealed soot was applied to anode active materials. After annealing at 2700 °C, the soot was converted into highly crystalline graphite with ring shapes approximately 100 nm in diameter. The lithium ion coin cells produced using graphitized soot showed high discharge capacity and excellent life cycle with a reversible capacity of 250 mAh/g even a
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Lin, Haoyang. "Research Progress on the Safety of LIBs Separators." Highlights in Science, Engineering and Technology 116 (November 7, 2024): 214–19. http://dx.doi.org/10.54097/wb38k408.

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Over the years, the electrification of transport has forced improvements in energy storage batteries. Lithium-ion batteries (LIBs) are widely used in aerospace, smart devices, electronic communications, and transport because of their high capacity, good cyclability, and environmental friendliness. However, battery safety is a massive issue in people's daily lives. LIBs occasionally suffer from spontaneous combustion and explosion. This is mainly caused by short circuits within the battery. The diaphragm, as the material separating the positive and negative electrodes, prevents the positive and
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Liu, Changcheng, Kaihui Zheng, Yong Zhou, Kai Zhu, and Que Huang. "Experimental Thermal Hazard Investigation of Pressure and EC/PC/EMC Mass Ratio on Electrolyte." Energies 14, no. 9 (2021): 2511. http://dx.doi.org/10.3390/en14092511.

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Electrolytes are involved in the thermal runaway (TR) process of cells, which is a potential hazard in lithium-ion batteries (LIBs). Therefore, the effects of different mass ratio of carbonate solvents (ethylene carbonate (EC)/propylene carbonate (PC)/ethyl methyl carbonate (EMC)) with LiBF4 and different environmental pressure on the combustion characteristics of electrolyte such as flame centerline temperature, mass loss rate (MLR) and heat release rate (HRR) were analyzed. The combustion process could be divided into four stages: ignition, stable combustion stage, stable combustion with fla
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Pražanová, A., M. Havlík Míka, and V. Knap. "Lithium-ion battery module-to-cell: disassembly and material analysis." Journal of Physics: Conference Series 2382, no. 1 (2022): 012002. http://dx.doi.org/10.1088/1742-6596/2382/1/012002.

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Lithium-ion batteries (LIBs) are one of the most popular energy storage systems. Due to their excellent performance, they are widely used in portable consumer electronics and electric vehicles (EVs). The ever-increasing requirements for global carbon dioxide CO2 emission reduction inhibit the production of new combustion vehicles. Thus, the demand for EVs increases, as well as the number of spent LIBs. Due to increases in raw materials saving and reduction in energy and environmental impacts, recycling is one of the most promising solutions for end-of-life (EOL) treatment for spent LIBs. This
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Dissertations / Theses on the topic "Combustion LIBS"

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Acevedo, Turbi Pahola Annette. "Single biοmass pellet degradatiοn during cοmbustiοn : influence οf raw elemental cοmpοsitiοn determined by LΙBS". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR01.

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La demande mondiale croissante d’énergie et les préoccupations environnementales croissantes ont propulsé l’exploration d’alternatives durables aux sources de carburant conventionnelles. La biomasse se présente comme une ressource renouvelable prometteuse, capable d'atténuer la crise énergétique mondiale tout en garantissant la durabilité environnementale. Cette étude se penche sur le comportement de combustion de trois biomasses distinctes : le bois d'origine forestière, le miscanthus herbacé et la paille d'orge résiduelle agricole. En examinant le comportement des particules individuelles pe
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Girardello, Carlo. "Optical Analysis of Plasma : Flame Emission in Cryogenic Rocket Engines." Thesis, Luleå tekniska universitet, Rymdteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-76097.

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This thesis contains the results of optical flame emission measurements of the Vulcain 2.1engine and the plasma emission spectroscopy of the Lumen Project engine. The plume spectroscopyis analyzed, ordered and studied in detail to offer the best possible molecular composition.The main focus relied on the hydroxide radical, blue radiation and other moleculesanalysis of the intensities encountered during the tests. The plasma emission spectroscopy isfocused on the determination of the plasma temperature value in LIBS measurements. Thehydrogen plasma temperature determination of the local thermod
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D'Angelo, Yves. "Analyse et simulation numérique de phénomènes liés à la combustion supersonique." Phd thesis, Ecole Nationale des Ponts et Chaussées, 1994. http://pastel.archives-ouvertes.fr/pastel-00568711.

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Analyse et simulation numérique d'écoulements supersoniques réactifs. Étude de la stabilisation d'une flamme par effet Mach au sein d'un écoulement air-hydrogène prémélangé bidimensionnel. Analyse phénoménologique des conditions d'allumage et de stabilisation d'une flamme à l'aval d'un système stationnaire d'ondes de choc ; cette analyse montre qu'il faut tenir compte de la réaction chimique dans la structure considérée. Exploration de méthodes de résolution des équations de la cinétique chimique complexe explosive air-hydrogène ; analyse de la stabilité de ces méthodes.
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Angelo, Yves d'. "Analyse et simulation numérique de phénomènes liés à la combustion supersonique." Marne-la-vallée, ENPC, 1994. http://www.theses.fr/1994ENPC9425.

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L’objet de ce travail concerne l'analyse et la simulation numérique d'écoulements supersonique réactifs. Dans une première partie, on étudie la stabilisation d'une flamme par effet de mach au sein d'un écoulement air-hydrogène prémélange bidimensionnel. On présente d'abord une analyse phénoménologique des conditions d'allumage et de stabilisation d'une flamme à l'aval d'un système stationnaire d'ondes de chocs. Cette étude montre qu'il est nécessaire de tenir compte de la réaction chimique dans la structure considérée. On explore ensuite la stabilité de quelques méthodes implicites et linéaire
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Schreiber, Didier. "Quelques problèmes de combustion lies à l'allumage dans les moteurs fusée cryotechniques." Châtenay-Malabry, Ecole centrale de Paris, 1991. http://www.theses.fr/1991ECAP0204.

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Ce travail porte sur certains problèmes de combustion lies à l'allumage dans les moteurs fusée cryotechniques. Dans les conditions nominales de fonctionnement de ces moteurs, la combustion peut être de type prémélangée (les réactifs se mélangent avant de réagir) ou non-prémélangée. L'allumage se produit par la rencontre entre des gaz chauds et un prémélange partiel, sous la forme d'éléments de flamme. Après la propagation de la flamme vers les injecteurs, les flammes de prémélange disparaissent et des flammes non prémélangées s'établissent dans la cavité. Les chapitres II et III ont été consac
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Aguillon, Martinez Javier. "Étude du comportement hydrodynamique des lits fluidisés circulants avec injection d'air secondaire." Compiègne, 1995. http://www.theses.fr/1995COMPD826.

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L'hydrodynamique du procédé de combustion de charbon dans un lit fluidisé circulant est étudiée. Cette étude vise, en particulier, l'effet de l'injection d'air secondaire sur le comportement de la suspension. Nous avons utilisé une installation pilote en similitude avec la centrale thermique de Carling (Lorraine, France). L'étude a mis en évidence l'existence de deux régimes hydrodynamiques séparés par une concentration critique de solide. La comparaison des diagrammes de régime, avec et sans air secondaire, a montré que cette concentration est unique dans les deux cas. La structure de l'écoul
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Willman, Christopher. "Laser diagnostics for spatially resolved thermometry in combustion and flows." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:fc0cbf95-302f-4de7-9212-6afa2632c93a.

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The development of Laser-Induced Thermal Grating Spectroscopy (LITGS) for diagnostics of combusting and non-combusting flows is described. The first use of LITGS to provide in situ calibration of 2-Dimensional temperature distributions generated using Two-Colour Planar Laser-Induced Fluorescence (TC-PLIF) is reported. Time-resolved measurements of temperature distributions in a firing GDI optical engine obtained by TC-PLIF were made during the compression stroke and calibrated to the absolute temperature scale by simultaneous LITGS measurements. The accuracy and precision of the temperatures d
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Girault, Ivan. "Développements formels et numériques vers la simulation numérique directe avec particules résolues de la combustion d'hydrogène en lit fluidisé." Electronic Thesis or Diss., Université de Toulouse (2023-....), 2024. http://www.theses.fr/2024TLSEP083.

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Ce travail de thèse a été réalisé dans le cadre du projet ANR MIMOSAH qui vise à caractériser la combustion d'hydrogène en lit fluidisé, en présence de particules partiellement inertes, avec prise en compte de réactions de surface. L'objectif est de modéliser la combustion en milieu particulaire de la micro à la macro-échelle, avec une double approche numérique et expérimentale. Cette thèse concerne l’approche numérique à l’échelle microscopique, et plus particulièrement le développement d'une stratégie numérique pour la simulation numérique directe de la combustion d’hydrogène en présence de
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Silva, Caroline Santos da. "Produção e avaliação de materiais de referência para nutrientes e contaminantes inorgânicos em amostras agronômicas." Universidade Federal de São Carlos, 2016. https://repositorio.ufscar.br/handle/ufscar/7860.

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Kürthy, Marián. "Kogenerační jednotka s absorpčním TČ." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230314.

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This diploma work aims to evaluate the functional connection of the cogeneration unit with an internal combustion engine and an absorption heat pump to increase the heating effect of the cogeneration. The aim of this work is to design a functional system and evaluate it from the technical - economic terms. In the introduction of the theoretical work the applied cogeneration technologies used in combined heat and power production are presented. Then there is described the principle of heat pumps, their basic components and theoretical comparison of compression and absorption heat pumps. In the
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Books on the topic "Combustion LIBS"

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Succi, Sauro. Lattice Boltzmann for reactive flows. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780199592357.003.0026.

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The dynamics of reactive flows lies at the heart of several important applications, such as combustion, heterogeneous catalysis, pollutant conversion, pattern formation in biology and many others. In general, LB is well suited to describe reaction-diffusion applications with flowing species. This chapter provides the basic guidelines to include reactive phenomena within the LBE formalism. Reactive flows obey the usual fluid equations, augmented with a reactive source term, accounting for species transformations due to chemical reactions. Such term comes typically in the form of a polynomial pr
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Book chapters on the topic "Combustion LIBS"

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Duan, Lunbo, and Dennis Lu. "Gasification in FBRs." In Fluidized Bed Reactors for Carbon Capture. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-96-0274-2_3.

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AbstractPre-combustion carbon capture, also known as pre-combustion CO2 capture or gasification, is an emerging technology for CO2 emission reduction. The core of this method lies in separating the carbon-containing part from the fuel before combustion through gasification, thereby reducing or avoiding carbon emissions.
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Viskup, Richard, Christoph Wolf, and Werner Baumgartner. "Qualitative Characterisation of Trace Elements in Diesel Particulate Matter from In-Use Diesel Engine Passenger Vehicles by Means of Laser-Induced Breakdown Spectroscopy." In Environmental Emissions. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.93067.

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In this research, we applied laser-plasma spectroscopy technique for the measurement of trace chemical elements in the exhaust emissions generated from in-use diesel engine passenger vehicles. We use high resolution laser-induced breakdown spectroscopy (LIBS) technique for diagnostics of soot and particulate matter (PM). Here we analysed soot and PM, extracted from exhaust manifold part, from different passenger vehicles that are used in daily life environment. The main aim of this study is to reveal the trace chemical elements in different PM matrices. The presence of trace elements in exhaus
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Zhang, Kai, Duo Zhang, Fei Qin, and Xuanfei Yu. "Numerical Investigation on Pendulum Geometric Throat Matching Characteristics of Dual-Mode Ramjet Combustor." In Advances in Transdisciplinary Engineering. IOS Press, 2025. https://doi.org/10.3233/atde250335.

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FABRE (Fan Augmented Air-Breathing Ramjet Engine) represents a hypersonic combined cycle power system with extensive applications in the aerospace industry, particularly in TSTO scenarios, capable of achieving speeds up to Mach 7. However, a persistent challenge lies in achieving optimal flow matching at high Mach numbers within the FABRE dual-mode scramjet combustor, characterized by a low length-to-diameter ratio. To address this challenge, this study employs numerical simulations to scrutinize the flow dynamics within the FABRE ramjet combustor across varying geometric throat areas at Mach
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Linan, Amable, and Forman A. Williams. "Diffusion Flames." In Fundamental Aspects of Combustion. Oxford University PressNew York, NY, 1993. http://dx.doi.org/10.1093/oso/9780195076264.003.0003.

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Abstract Unlike premixed flames, diffusion flames do not have a burning velocity. Interest therefore lies in their internal structure, in their rates of energy release, in rates of transport of fuel and oxidizer into the flame (burning rates), and in necessary conditions for their existence and extinction. For many purposes, diffusion-flame investigations become investigations of transport phenomena. Transport rates are of critical importance in the burning of fuel droplets, in the burning of liquid pools, and in the burning of solid slabs of fuel, for example; two distinct phases (states of m
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Cassinelli-Cisneros, Franco A., Jesus Samuel Armacanqui-Tipacti, Ciro Ormeño-Aquino, et al. "Using H2 to Increase the Energy Efficiency and Reduce the Containment Emissions in the Operation of Generators." In Sustainability Applied to Unconventional Oil and Gas Field Exploration and Development. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-0740-3.ch011.

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The application of gaseous hydrogen in combustion internal (CI) diesel dual-fuel (DDF) engine is not new, and it does not yet have broad commercial applications that ensure the increase in performance and consequent reduction in costs to which it is normally associated. The effect of hydrogen on diesel internal combustion engines can be analyzed through the different parameters that an CI engine has grouped into four main aspects: performance, combustion characteristics, polluting emissions, and future challenges. The effect of hydrogen application is consequently a multivariate analysis that
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Ao, Supongsenla, and Samuel L. Rokhum. "Biodiesel and Related Fuel Additives: A Brief History." In The Production of Biodiesel and Related Fuel Additives. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815196740124060003.

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The discovery of the diesel engine by Rudolf Diesel in the mid-19th century is where the origin of what finally came to be known as “biodiesel” lies. Since then, numerous approaches have been suggested to utilize pure or blended, straight vegetable oils or their derivatives for the production of biodiesel. The availability and viability of biodiesel, as well as its relevance, history, technical properties, and prospective replacement for diesel fuel in internal combustion engines including various types of biodiesel fuel additives, are all discussed in this chapter.
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Gupta, Priyanka, Shikha Shikha, Monica Bhutani, Jyoti Gupta, and Monica Gupta. "Charging Ahead." In Advances in Mechatronics and Mechanical Engineering. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-4314-2.ch002.

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The shift towards electric vehicles (EV) signifies a monumental advancement in automotive technology, presenting a sustainable remedy to the environmental dilemmas posed by traditional internal combustion engines. At the heart of this transition lies the evolution of electric vehicle battery technology. This chapter showcases the recent breakthrough in enhancing EV batteries, targeting pivotal issues such as range anxiety, charging duration, cost-effectiveness, and environmental implications. Different remarkable steps in boosting the energy density of lithium-ion batteries, effectively elonga
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de Klerk, Arno, and Vinay Prasad. "Methane for Transportation Fuel and Chemical Production." In Materials for a Sustainable Future. The Royal Society of Chemistry, 2012. http://dx.doi.org/10.1039/bk9781849734073-00327.

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Methane is the main component of natural gas. Natural gas is an important energy carrier for distributed heating and transportation applications and it is the most efficient carbon source for the production of synthesis gas (H2+CO). The value of natural gas lies in its high H:C ratio, low heteroatom content and fluid nature. Sustainability is best served by restricting the use of methane for distributed and mobile energy applications, where the clean-up of combustion gases is impractical or infeasible, and also for the synthesis of hydrogen-rich products. For the production of fuels and chemic
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Conference papers on the topic "Combustion LIBS"

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Rus, Madalina, Silvia Veresiu, Elena Mereuta, Valentin Amortila, and George Balasoiu. "EVALUATING THE IMPACT OF AUTOMOBILE POLLUTION ON THE HEALTH OF THE ROMANIAN POPULATION THROUGH STATISTICAL METHODS." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s19.52.

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This research aims to conduct a descriptive statistical analysis to identify the statistical correlation between categories of new and second-hand vehicles registered for circulation in Romania and various health conditions associated with atmospheric pollution. Currently, a significant challenge for the global community lies in mitigating the impact of atmospheric pollution, considered a crucial factor both in terms of global climate change and its impact on public health. One major source of atmospheric pollution stems from emissions generated by internal combustion engines in the transporta
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Lee, T. W., N. Hegde, and I. Han. "In-Situ Diagnostics of Combustion Parameters Using Laser-Induced Breakdown Spectroscopy." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72517.

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Laser-Induced breakdown spectroscopy is a powerful diagnostic method that can be applied to combustion systems for measurements of fuel-air ratios, fuel composition, and temperature. In this study, we specifically show the application of LIBS for in-situ flame temperature measurements at conditions up to moderately sooting conditions (equivalence ratio of 15 for methane-air flames). Comparisons with existing data obtained from thermocouple exhibit excellent agreement in weakly sooting flames and good agreement at higher equivalence ratios. The deviation at higher equivalence ratios is attribut
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Gupta, Sreenath B., Bipin Bihari, Munidhar Biruduganti, and Raj Sekar. "In-Cylinder Equivalence Ratio Measurements in a EGR Equipped Engine." In ASME 2010 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/icef2010-35072.

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A single-cylinder natural gas fueled engine equipped with a Exhaust Gas Recirculation (EGR) system was ignited using a laser. The broadband emission from the spark kernel was spectrally resolved and the peaks corresponding to Hα, N and O atoms were measured for a range of conditions with global equivalence ratios ranging between 0.6 and 1.0, and for Exhaust Gas Recirculation fractions up to 29%. The (Hα/O) and (Hα/N) peak intensity ratios from the spectral scans correlated extremely well (R2 &gt; 0.97) with local oxygen based equivalence ratios. Appropriate relations were developed to relate s
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Lee, Sanguk, Jungho Justin Kim, Youngmin Ki, Yeseung Kwak, and Seong-Young Lee. "Measurement of Hydrogen Direct Injection Jet Equivalence Ratio under Elevated Ambient Pressure Condition." In WCX SAE World Congress Experience. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0332.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Owing to climate change issues caused by global warming, the role of alternative fuels, such as low-carbon and non-carbon fuels, is becoming increasingly important, particularly in the transportation sector. Therefore, hydrogen has emerged as a promising fuel for internal combustion engines because it does not emit carbon dioxide. Direct injection is mandatory for hydrogen-based internal combustion engines to mitigate backfires and low energy density. However, there is a lack of measurement of the equivalence ratio metho
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Choi, Jongwun, Hosung Byun, Hyunseung Rhee, Seonwoong Kim, Youchan Park, and Hyungrok Do. "Measurement of flame properties using Laser-induced breakdown spectroscopy at elevated pressures." In GPPS Chania24. GPPS, 2024. http://dx.doi.org/10.33737/gpps24-tc-164.

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To the best of our knowledge, we employ laser-induced breakdown spectroscopy (LIBS) to simultaneously measure multiple properties (pressure, equivalence ratio, and H2 ratio) of product gas under turbulent flow and highenthalpy conditions for the first time. We also introduce an improved LIBS signal acquisition configuration that enhances signal-to-noise ratio (SNR) and shot-to-shot stability. Under varying operating conditions (pressure: 3 to 15 bar, equivalence ratio: 0.7 to 1.2 and hydrogen enriched ratio: up to 50% by volume), the laser is focused at downstream of the multi-nozzle burner wh
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Ki, Youngmin, Jungho Justin Kim, Seong-Young Lee, Joonsik Hwang, and Choongsik Bae. "Measurement of Hydrogen Jet Equivalence Ratio using Laser Induced Breakdown Spectroscopy." In WCX SAE World Congress Experience. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2623.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Hydrogen exhibits the notable attribute of lacking carbon dioxide emissions when used in internal combustion engines. Nevertheless, hydrogen has a very low energy density per unit volume, along with large emissions of nitrogen oxides and the potential for backfire. Thus, stratified charge combustion (SCC) is used to reduce nitrogen oxides and increase engine efficiency. Although SCC has the capacity to expand the lean limit, the stability of combustion is influenced by the mixture formation time (MFT), which determines t
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Gil, Antonio, Javier Monsalve-Serrano, Javier Marco-Gimeno, and Carlos Guaraco-Figueira. "Numerical Model of the Heat-Wait and Seek and Heating Ramp Protocol for the Prediction of Thermal Runaway in Lithium-Ion Batteries." In WCX SAE World Congress Experience. SAE International, 2025. https://doi.org/10.4271/2025-01-8127.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Interest in Battery-Driven Electric Vehicles (EVs) has significantly grown in recent years due to the decline of traditional Internal Combustion Engines (ICEs). However, malfunctions in Lithium-Ion Batteries (LIBs) can lead to catastrophic results such as Thermal Runaway (TR), posing serious safety concerns due to their high energy release and the emission of flammable gases. Understanding this phenomenon is essential for reducing risks and mitigating its effects. In this study, a digital twin of an Accelerated Rate Calo
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Fischer, Stefan, David Kluß, and Franz Joos. "Experimental Investigation of a Fuel Flexible Generic Gas Turbine Combustor With External Flue Gas Recirculation." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25388.

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Flue gas recirculation in combined cycle power plants using hydrocarbon fuels is a promising technology for increasing the efficiency of the post combustion carbon capture and storage process. However, the operation with flue gas recirculation significantly changes the combustion behavior within the gas turbine. In this paper the effects of external flue gas recirculation on the combustion behavior of a generic gas turbine combustor was experimentally investigated. While prior studies have been performed with natural gas, the focus of this paper lies on the investigation of the combustion beha
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Birkby, P., R. S. Cant, W. N. Dawes, et al. "CFD Analysis of a Complete Industrial Lean Premixed Gas Turbine Combustor." In ASME Turbo Expo 2000: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0131.

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The introduction of lean premixed combustion technology in industrial gas turbines has led to a number of interesting technical issues. Lean premixed combustors are especially prone to acoustically-coupled combustion oscillations as well as to other problems of flame stability such as flashback. Clearly it is very important to understand the physics that lies behind such behaviour in order to produce robust and comprehensive remedies, and also to underpin the future development of new combustor designs. Simulation of the flow and combustion using Computational Fluid Dynamics (CFD) offers an at
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Chaib, Oussama, Lee Weller, Anthony Giles, Steve Morris, Benjamin A. O. Williams, and Simone Hochgreb. "Spatial Temperature Measurements in a Swirl-Stabilized Hydrogen-Air Diffusion Flame at Elevated Pressure Using Laser-Induced Grating Spectroscopy." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-124845.

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Abstract Laser-induced grating spectroscopy (LIGS) is applied, for the first time, to a swirling non-premixed hydrogen-air flame in a high-pressure combustion facility. A portable LIGS unit is used to probe 35 different axial and radial locations in the flame and a new conditioned processing approach based on laminar flame simulation is introduced to infer temperatures from instantaneous LIGS spectra. Thermal and electrostrictive frequencies are used to produce a spatial map of temperatures in the combustor. Temperatures up to 2,500 K are measured in this work, which constitute the highest tem
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Reports on the topic "Combustion LIBS"

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Beard, George. New Mobility - Alternative transport for better outcomes. TRL, 2021. http://dx.doi.org/10.58446/ykrl1775.

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Freedom of movement is enshrined in Article 13 of the Universal Declaration of Human Rights. The expression of this right relies on there being accessible and safe transport available for people to use. Furthermore, transport underpins the fundamental needs of society to move goods and people around. Transport is not performing as well as it could. In many ways the freedom of movement for people and goods that transport supports is now more damaging than it needs to be to the environment, to the economy, and to people. TRL’s vision for new mobility is a transport system that provides better ch
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