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Author : Woo Kyung Kim
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (71 download)
Download or read book An Investigation of Plasma Enhanced Combustion written by Woo Kyung Kim and published by . This book was released on 2006 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jun Hee Han
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (957 download)
Download or read book Experimental Investigation of Plasma-assisted Combustion of Heavy Hydrocarbons Using Gliding/Rotating Arc written by Jun Hee Han and published by . This book was released on 2016 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotating/Gliding arc gas discharge is known as a suitable application for plasma aided combustion (PAC). In this study, effects of rotating arc discharge on combustion of diesel and biodiesel fuel are investigated. The main focus of the experiment is to determine the effectiveness of rotating-arc in enhancing combustion performance. The first stage of the burner is designed for the fuel-air mixture to interact with the rotating arc at fuel-rich condition. The second stage of the burner is the main combustion section to make the mixture at overall fuel-lean condition and properly hold the flame inside the combustion chamber. As a result, lean flammability limit determined by equivalence ratio at lean blowout is found to be extended quite a bit when the arc is on. FTIR (Fourier Transform Infrared Spectroscopy) measurements of exhaust gas show that both CO and CO2 concentration become higher and O2 concentration lower for overall fuel-lean combustion with plasma on. Based on the results of level of total carbon oxidation, combustion efficiency is slightly higher with plasma than without plasma. Slightly more NO is produced when the arc is at present for a fixed equivalence ratio. However, with the extension of lean flammability condition achieved by plasma-assisted combustion the minimum NO is produced for PAC case. The increase of reactant temperature due to direct heat transfer from the arc to the surrounding and partial oxidation (exothermal) can mainly account for the observed enhancement of combustion for the PAC.
Download or read book Plasma-Enhanced Combustion of Hydrocarbon Fuels and Fuel Blends Using Nanosecond Pulsed Discharges written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This project had as its goals the study of fundamental physical and chemical processes relevant to the sustained premixed and non-premixed jet ignition/combustion of low grade fuels or fuels under adverse flow conditions using non-equilibrium pulsed nanosecond discharges.
Author : Chandra Lynn Romel
Publisher :
ISBN 13 :
Total Pages : 278 pages
Book Rating : 4.3/5 (129 download)
Download or read book An Experimental Study of Microwave Plasma-enhance Combustion written by Chandra Lynn Romel and published by . This book was released on 2006 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xuzhu Dong
Publisher : Springer Nature
ISBN 13 : 9819974011
Total Pages : 731 pages
Book Rating : 4.8/5 (199 download)
Download or read book The Proceedings of 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023) written by Xuzhu Dong and published by Springer Nature. This book was released on 2024-03-28 with total page 731 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes original, peer-reviewed research papers from the 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023), held in Wuhan, China. The topics covered include but are not limited to: insulation, discharge computations, electric power equipment, and electrical materials. The papers share the latest findings in the field of insulation and discharge computations of electric power equipment, making the book a valuable asset for researchers, engineers, university students, etc.
Author : M. Capitelli
Publisher : Springer Science & Business Media
ISBN 13 : 3662041588
Total Pages : 302 pages
Book Rating : 4.6/5 (62 download)
Download or read book Plasma Kinetics in Atmospheric Gases written by M. Capitelli and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasis is placed on the analysis of translational, rotational, vibrational and electronically excited state kinetics, coupled to the electron Boltzmann equation.
Author : J. Leon Shohet
Publisher : CRC Press
ISBN 13 : 1351204939
Total Pages : 3082 pages
Book Rating : 4.3/5 (512 download)
Download or read book Encyclopedia of Plasma Technology - Two Volume Set written by J. Leon Shohet and published by CRC Press. This book was released on 2016-12-12 with total page 3082 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technical plasmas have a wide range of industrial applications. The Encyclopedia of Plasma Technology covers all aspects of plasma technology from the fundamentals to a range of applications across a large number of industries and disciplines. Topics covered include nanotechnology, solar cell technology, biomedical and clinical applications, electronic materials, sustainability, and clean technologies. The book bridges materials science, industrial chemistry, physics, and engineering, making it a must have for researchers in industry and academia, as well as those working on application-oriented plasma technologies. Also Available Online This Taylor & Francis encyclopedia is also available through online subscription, offering a variety of extra benefits for researchers, students, and librarians, including: Citation tracking and alerts Active reference linking Saved searches and marked lists HTML and PDF format options Contact Taylor and Francis for more information or to inquire about subscription options and print/online combination packages. US: (Tel) 1.888.318.2367; (E-mail) [email protected] International: (Tel) +44 (0) 20 7017 6062; (E-mail) [email protected]
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (946 download)
Download or read book Plasma-Enhanced Combustion for Reduction of Rocket Plume Soot written by and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report demonstrates the application of transient plasmas for remediation of emissions both during and post-combustion. The project encompasses underlying physics and chemistry, plasma device and power conditioning engineering, and problems related to fabrication of practical devices. The major accomplishments include demonstration of an energy efficient approach, which is now being used for many plasma remediation applications, development of the knowledge of the underlying science including the role of transient plasmas, development of diagnostic methods including laser induced fluorescence, and identification and new data on a solid state approach to pulse generation.
Author : Igor Matveev
Publisher :
ISBN 13 : 9781478769200
Total Pages : 502 pages
Book Rating : 4.7/5 (692 download)
Download or read book Plasma Assisted Combustion, Gasification, and Pollution Control written by Igor Matveev and published by . This book was released on 2015-12-14 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: This two-volume book is one of the first projects of the newly established International Plasma Technology Center (IPTC) and is the first attempt to collect the most valuable contributions to the relatively new field of science named Plasma Assisted Combustion (PAC) from different research groups all over the globe. It provides in Volume 1 a description of different plasma sources especially designed for PAC and, in Volume 2, describes plasma assisted ignition, combustion, and gasification processes that are under development or used industrially. If successful, we plan to publish new editions every three to five years, depending on progress in this field. This book is intended to be used as a textbook at the senior or first-year graduate level by students from all engineering and physical science disciplines, by PhD students, and as a reference source by in-service engineers and other researchers. Basic information on plasma physics and accompanying physical processes important in PAC are contained in Volume 1. Devices, technologies, current state, and future works are covered in Volume 2.
Author : Wei Wu
Publisher :
ISBN 13 :
Total Pages : 225 pages
Book Rating : 4.:/5 (953 download)
Download or read book Optical and Laser Spectroscopic Study of Microwave Plasma-assisted Combustion written by Wei Wu and published by . This book was released on 2016 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonthermal plasma-assisted combustion (PAC) has been demonstrated to be a promising potential method to enhance combustion performance and reduce the pollutant emissions. To better understand the mechanism in PAC, we have conducted a series of studies on the combustion enhancement by plasma using a home-developed PAC platform which employs a nonthermal microwave argon plasma and a suit of optical diagnostic tools including optical imaging, optical emission spectroscopy, and cavity ringdown spectroscopy. A new PAC system in which a continuous atmospheric argon microwave plasma jet is employed to enhance combustion of methane/air mixtures was reported. Reactive species in PAC were characterized in a state-resolved manner including the simultaneously measurements of OH(A) and OH(X) radicals in the PAC flames. Roles of the state-resolved OH(A) and OH(X) radicals in microwave PAC of premixed methane/air mixture were explored. It was concluded that if both OH(A) and OH(X) radicals assisted the ignition and flame stabilization processes, then we may hypothesize that the role of OH(A) was more dominant in the ignition enhancement but the role of OH(X) was more dominant in the flame stabilization. The effect of fuel injection configurations was investigated in the comparative study between PAC of the premixed and nonpremixed methane/air mixtures. It was found that emissions from the CH (A-X) and C2 Swan systems only exist in the nonpremixed PAC which suggest that the reaction pathways are different between premixed and nonpremixed PAC. The PAC of premixed methane/oxygen/argon mixtures was investigated. A Ushaped dual-layer curve of fuel ignition/flame stabilization limit showing the effects of the plasma power on the fuel ignition and flame stabilization was observed and reported. A parametric study of the microwave PAC of the premixed ethylene/air mixtures was conducted. Behavior of the OH, CH, and C2 radicals and their dependence on plasma power, argon flow rate, and total ethylene/air mixture flow rate were also studied.
Author : Che Amungwa Fuh
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (14 download)
Download or read book Microwave Plasma Assisted Ignition and Combustion Diagnostics written by Che Amungwa Fuh and published by . This book was released on 2018 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasmas when coupled to the oxidation process of various fuels have been shown to influence the process positively by improving upon flameholding, reduction in ignition delay time, reduced pollutant emission, etc. Despite all this positive effects being known to the science community, the mechanisms through which the plasmas effects all these enhancements are poorly understood. This is often due to the absence of accurate experimental data to validate theoretical mechanisms and the availability of a myriad sources of plasmas having different chemistries. The goal of this thesis is to further narrow the knowledge gap in the understanding of plasma assisted combustion by using a nonthermal microwave plasma to investigate the mechanism through which it enhances the oxidation of several fuel/oxidant combinations. The enhancement metrics used in this studies are minimum ignition energy, flameholding and rotational temperature. A suite of noninvasive optical diagnostics techniques (camera for visual imaging, optical emission spectroscopy and cavity ringdown spectroscopy) are employed to probe the plasma assisted combustion flame and identify the species, obtain rotational temperatures, and identify pathways through which the microwave plasma enhances the combustion process. Initially, the effect of a microwave plasma on the ignition and flameholding of an ethylene/air mixture was investigated. Then, based on observations from that study and previous studies, a novel plasma assisted combustion platform was designed capable of discriminating between the various pathways through which the plasma enhances the combustion of a fuel/air mixture. Using the designed platform, a comparative study was carried out on the roles played by the plasma activated fuel vs. plasma activated oxidizer stream. The roles played by the plasma activated fuel or air molecules in the ignition of the fuel/air mixture was investigated. Data from this study led to the suggestion that there exist a minimum required plasma generated radical pool for ignition to occur with reactive oxygen and nitrogen playing a more important role in the ignition and flameholding effects. Ground state OH(X) number densities were also measured for the first time in the hybrid ignition zone of a plasma assisted combustion reactor using cavity ringdown spectroscopy.
Author : Masaaki Okubo
Publisher : MDPI
ISBN 13 : 3039219723
Total Pages : 118 pages
Book Rating : 4.0/5 (392 download)
Download or read book Plasma Processes for Renewable Energy Technologies written by Masaaki Okubo and published by MDPI. This book was released on 2020-01-07 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of renewable energy is an effective solution for the prevention of global warming. On the other hand, environmental plasmas are one of powerful means to solve global environmental problems on nitrogen oxides, (NOx), sulfur oxides (SOx), particulate matter (PM), volatile organic compounds (VOC), and carbon dioxides (CO2) in the atmosphere. By combining both technologies, we can develop an extremely effective environmental improvement technology. Based on this background, a Special Issue of the journal Energies on plasma processes for renewable energy technologies is planned. On the issue, we focus on environment plasma technologies that can effectively utilize renewable electric energy sources, such as photovoltaic power generation, biofuel power generation, wind turbine power generation, etc. However, any latest research results on plasma environmental improvement processes are welcome for submission. We are looking, among others, for papers on the following technical subjects in which either plasma can use renewable energy sources or can be used for renewable energy technologies: · Plasma decomposition technology of harmful gases, such as the plasma denitrification method; · Plasma removal technology of harmful particles, such as electrostatic precipitation; · Plasma decomposition technology of harmful substances in liquid, such as gas–liquid interfacial plasma; · Plasma-enhanced flow induction and heat transfer enhancement technologies, such as ionic wind device and plasma actuator; · Plasma-enhanced combustion and fuel reforming; · Other environment plasma technologies.
Author : Skye A. Elliott
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (131 download)
Download or read book Optical Spectroscopic Characterization of Plasma Enhanced Fueling and Supersonic Combustion written by Skye A. Elliott and published by . This book was released on 2022 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Annemie Bogaerts
Publisher : MDPI
ISBN 13 : 3038977500
Total Pages : 248 pages
Book Rating : 4.0/5 (389 download)
Download or read book Plasma Catalysis written by Annemie Bogaerts and published by MDPI. This book was released on 2019-04-02 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC remediation). Plasma catalysis allows thermodynamically difficult reactions to proceed at ambient pressure and temperature, due to activation of the gas molecules by energetic electrons created in the plasma. However, plasma is very reactive but not selective, and thus a catalyst is needed to improve the selectivity. In spite of the growing interest in plasma catalysis, the underlying mechanisms of the (possible) synergy between plasma and catalyst are not yet fully understood. Indeed, plasma catalysis is quite complicated, as the plasma will affect the catalyst and vice versa. Moreover, due to the reactive plasma environment, the most suitable catalysts will probably be different from thermal catalysts. More research is needed to better understand the plasma–catalyst interactions, in order to further improve the applications.
Author : Haikel Jelassi
Publisher : BoD – Books on Demand
ISBN 13 : 1789852390
Total Pages : 330 pages
Book Rating : 4.7/5 (898 download)
Download or read book Plasma Science and Technology written by Haikel Jelassi and published by BoD – Books on Demand. This book was released on 2019-02-27 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Usually called the "fourth state of matter," plasmas make up more than 99% of known material. In usual terminology, this term generally refers to partially or totally ionized gas and covers a large number of topics with very different characteristics and behaviors. Over the last few decades, the physics and engineering of plasmas was experiencing a renewed interest, essentially born of a series of important applications such as thin-layer deposition, surface treatment, isotopic separation, integrated circuit etchings, medicine, etc. Plasma Science
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309487439
Total Pages : 341 pages
Book Rating : 4.3/5 (94 download)
Download or read book Final Report of the Committee on a Strategic Plan for U.S. Burning Plasma Research written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-07-01 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fusion offers the prospect of virtually unlimited energy. The United States and many nations around the world have made enormous progress toward achieving fusion energy. With ITER scheduled to go online within a decade and demonstrate controlled fusion ten years later, now is the right time for the United States to develop plans to benefit from its investment in burning plasma research and take steps to develop fusion electricity for the nation's future energy needs. At the request of the Department of Energy, the National Academies of Sciences, Engineering, and Medicine organized a committee to develop a strategic plan for U.S. fusion research. The final report's two main recommendations are: (1) The United States should remain an ITER partner as the most cost-effective way to gain experience with a burning plasma at the scale of a power plant. (2) The United States should start a national program of accompanying research and technology leading to the construction of a compact pilot plant that produces electricity from fusion at the lowest possible capital cost.
Author :
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (644 download)
Download or read book Study of Internal and External Plasma Assisted Combustion in Supersonic Gas Flow written by and published by . This book was released on 2005 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Project is devoted to basic study on the field of external and internal plasma assisted combustion. This effort consists of three Tasks: Task #1 is titled "Internal plasma assisted combustion controlled by improved plasma generators in metal channel at conditions similar to Scramjet"; Task #2 is tilted "External plasma combustion experiment in a supersonic flow (Mtilde2, Pst=1 Bar)". This is a study of flow around model F with plasma combustion generator in wind tunnel; Task #3 is tilted "Study of supersonic flow around model E with combined plasma generator (PG Comb= PG HF +E beam)". Here. the main plasma parameters could be changed independently in PG- Comb. Electron concentration will be controlled by E-beam. Electron temperature could be controlled by external HF electric field. The main goals of this work is a study of following: Optimal radical generation in fuel/air mixture and combustion control by non equilibrium plasmoids, Advanced mixture of fuel in gas flow by structural plasmoids.
