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Keywords: combustion
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Proceedings Papers

Proc. ASME. IMECE2023, Volume 7: Energy, V007T08A081, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-114681
... Abstract The study of solid fuel combustion and gasification is crucial for the development of clean and efficient energy systems, especially in light of concerns about climate change and environmental contamination. With Computational fluid dynamics (CFD) that is widespread in combustion...
Proceedings Papers

Proc. ASME. IMECE2023, Volume 7: Energy, V007T08A041, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-115174
...). The Weibe function representing the combustion in the engine is established from the MFB data. These Weibe function parameters (efficiency factor “a” and form factor “m”) are then utilized to predict the performance of another fuel which is proposed to be evaluated using a simple 0-D single zone simulation...
Proceedings Papers

Proc. ASME. IMECE2023, Volume 7: Energy, V007T08A029, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112331
... for the proposed system is -0,95 2 demonstrating that it delivers carbon-negative energy because the growth of the eucalyptus removed carbon from the atmosphere. In contrast, the traditional energy generation systems by steam generation using fuel oil combustion have a carbon footprint of 0,93 2 Keywords: BECCS...
Proceedings Papers

Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A024, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-89116
... Abstract The present study aims to evaluate the intrinsic differences in in-cylinder combustion in low load and low-speed conditions by applying experimental and numerical techniques. The experimental apparatus consisted of an AVL5406 SI-PFI single-cylinder with optical access operating under...
Proceedings Papers

Proc. ASME. IMECE2022, Volume 6: Energy, V006T08A044, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95945
... Abstract During the combustion of solid biomass in a grate-fired boiler, each particle experiences a sequence of processes which include heating, drying, devolatilization, and char combustion. Furthermore, in the gas phase, products may react with oxygen. As it is impossible to maintain...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A015, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-73138
... combustion thermodynamics measurement techniques Proceedings of the ASME 2021 International Mechanical Engineering Congress and Exposition IMECE2021 November 1-5, 2021, Virtual, Online IMECE2021-73138 STRUCTURE AND MEASUREMENT OF ATMOSPHERIC AND HIGH-PRESSURE IGNITION PLASMA James Shaffer West Virginia...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 11: Heat Transfer and Thermal Engineering, V011T11A072, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-71770
... Abstract The most energy intensive part of a hot rolling mill is the reheat furnace, where the steel products, the products are heated to target temperature using the combustion of natural gas. The energy consumption of the reheat furnace in a typical integrated steel mill is the second highest...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 8A: Energy, V08AT08A008, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-73567
... Abstract In the last two decades, the interest in the use of solid biomass as a fuel for power generation, together with the continuous tightening of regulations, has motivated the improvement of accurate design techniques which are required to optimize the combustion process, new technologies...
Proceedings Papers

Proc. ASME. IMECE2021, Volume 8B: Energy, V08BT08A001, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-66565
... cells (SOFCs) and their need for high operation temperatures, combustion systems become obvious targets for integration. The fuel-rich combustion of natural gas can produce synthesis gas, while providing the heat necessary for SOFC operation. To remedy issues associated with degradation of cell...
Proceedings Papers

Proc. ASME. IMECE99, Heat Transfer: Volume 2, 363-371, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1048
... Abstract In many coal combustion simulations, only one mixture fraction is used to model the coal-off gases. This assumption, however, is not accurate because the coal char and coal volatiles have considerable differences in composition. In the case of a coal:manure blend combustion, the use...
Proceedings Papers

Proc. ASME. IMECE2001, Heat Transfer: Volume 4 — Combustion and Energy Systems, 165-168, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/HTD-24255
... of the virtual origin which was independent of injected fluid volume for small volumes but became proportional to injected fluid volume for large volumes typical of interrupted jets. combustion scaling simulation turbulence Proceedings of 2001 ASME International Mechanical Engineering Congress...
Proceedings Papers

Proc. ASME. IMECE2000, Heat Transfer: Volume 5, 41-48, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1558
... for starting nonbuoyant jets and 1/4 for nonbuoyant puffs. Combustion Scaling and Simulation Natural and Mixed Convection STRUCTURE AND MIXING PROPERTIES OF UNSTEADY ROUND NONBUOYANT TURBULENT JETS AND PUFFS IN STILL GASES R. Sangras and G.M. Faeth Department of Aerospace Engineering The University...
Proceedings Papers

Proc. ASME. IMECE2000, Combustion, Fire, and Computational Modeling of Industrial Combustion Systems, 123-132, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1664
... take place in the glass furnace, which include the turbulent reacting flow in the combustion space; laminar flow dominated by natural convection in the molten glass; fusion of raw batch materials to form molten glass; radiation and convective heat transfer between the combustion space and the molten...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A006, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11593
... also find alternative uses for other materials which, some of them wastes, are often dumped into landfills. Such an approach has been pursued into combining industrial wastes with biomass in pellets. This project concerns the evaluation of the combustion behavior of saw dust based pellets fortified...
Proceedings Papers

Proc. ASME. IMECE2019, Volume 5: Engineering Education, V005T07A012, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-10028
... customizable, and free open- source software tool to evaluate reaction kinetics in combustion models. Here, the software undergoes verification and validation to ensure proper operation over the intended domain of its application. The conceptual model is derived from the basic governing equations...
Proceedings Papers

Proc. ASME. IMECE2012, Volume 6: Energy, Parts A and B, 943-951, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-86712
... Waste cooking oil Biodiesel Diethyl Ether cold flow combustion Increasing energy demand and rapid depletion of fossil fuels has accelerated the search for an alternative fuel for diesel engine. Biodiesel produced from waste cooking oil is the most suitable alternative for diesel due...
Proceedings Papers

Proc. ASME. IMECE2012, Volume 6: Energy, Parts A and B, 977-983, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-88381
... Biomass Pellets Combustion Environmental concerns and the drive to reduce the dependence on petroleum brought the use of renewable energies to the forefront. Biomass appears as a very interesting alternative for direct conversion into heat. In this context, densified forms of biomass...
Proceedings Papers

Proc. ASME. IMECE2011, Volume 4: Energy Systems Analysis, Thermodynamics and Sustainability; Combustion Science and Engineering; Nanoengineering for Energy, Parts A and B, 1315-1322, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-65135
... this study, standard diesel injection timing is maintained unaffected. The study conveys that at higher compression ratio, POME causes reduction in brake fuel consumption and thereby increases the engine efficiency. The increase in compression ratio also causes smoother combustion, lower ignition delay...
Proceedings Papers

Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 1011-1021, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-40368
... 01 05 2012 The goal of this study is to find out effects of the injection parameters on the combustion process for a single cylinder of a nine-liter six cylinder diesel engine. Partially premixed compression ignition (PPCI) cases are compared for improvements on the combustion chamber...
Proceedings Papers

Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 885-893, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-40846
... 01 05 2012 A hydrogen reformer furnace is a combustion chamber used to supply heat for the catalytic process that converts natural gas into hydrogen. The reforming reaction that happens inside the catalyst tubes is endothermic and requiring high levels of heat input. The combustion...