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ANSYS Model Fuel Library

ANSYS Model Fuel Library

ANSYS Model Fuel Library

Product catalog summary
Introduction
The document discusses the ANSYS Model Fuels Library (MFL), which provides detailed and validated fuel models for accurate combustion simulations. These models are crucial for engine and combustor designers aiming to achieve low emissions and high efficiency at reduced costs.

Specifications
The MFL includes over 65 master fuel components suitable for a wide range of operating conditions. These components can represent both gaseous and liquid fuels, including natural gas, synthetic gas, biofuels, gasoline, diesel, jet fuel, and alternative fuels. The library supports various combustion applications such as spark-ignition engines, compression-ignition engines, and turbine combustors.

Procedures
The MFL is integrated with ANSYS software tools like Chemkin-Pro and Reaction Workbench. These tools facilitate the creation of surrogate fuels and the reduction of mechanism size to optimize simulations. Users can specify target parameters and acceptable error tolerances to generate skeletal mechanisms.

Norms and Standards
The reaction mechanisms in the MFL are extensively validated across a range of pressures, temperatures, equivalence ratios, and dilutions. They are constructed using a rate-rule-based approach, ensuring predictive capabilities for combustion characteristics and emissions.

Recommendations
For accurate modeling, it is recommended to use ANSYS Chemkin-Pro/Reaction Workbench to formulate surrogates and reduce reaction mechanisms. The library is available through a paid-up or lease license, with annual updates and technical support.

Conclusion
ANSYS Model Fuels Library is a comprehensive tool for simulating real-world fuel combustion, aiding in the development of efficient and low-emission engines. It is part of ANSYS's broader portfolio of engineering simulation software, which supports innovation across various industries.
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Catalog excerpts

ANSYS Model Fuel Library-1

ANSYS Model Fuels Library The Model Fuels Library: Accurate Combustion Chemistry for the Real World • Detailed, well-validated fuel models for accurate simulation • More than 65 master fuel components for a wide range of operating conditions Today’s engine and combustor designers are striving to attain low emissions and high efficiency more rapidly and at a lower cost than ever before. Combustion modeling can generate substantial savings in engine development cost and improved product quality. But challenges in achieving these benefits often arise due to inaccuracies in the fuel model. Engine designers have traditionally used severely reduced fuel models in combustion simulations. These models can require complicated tuning or adjustment in order to provide predictive results. Alternatively, advanced combustion simulation tools like ANSYS Forte and ANSYS Chemkin-Pro can take advantage of larger and more accurate fuel models and still provide fast time-to-solution. The Model Fuels Library provides a set of accurate real-fuel models that are easy to use in modern tools. The Model Fuels Library (MFL) includes detailed and validated reaction mechanisms for over 65 fuel components that are relevant to combustion simulations in a wide variety of industrial and commercial applications. The fuel components can be used to represent gaseous or liquid fuel combustion for petroleum-derived or alternative fuels. Gaseous components include natural gas, synthetic gas, biofuels and blends. For liquid fuels, the fuel components can be used in formulating surrogates for a wide range of real-world fuels, including gasoline, diesel, jet fuel, alternative fuels, fuel blends and additives. The reaction mechanisms are suitable for many combustion applications, including spark-ignition engines, compression-ignition engines, gas- and liquid-fired turbine combustors, boilers, flares and furnaces. The mechanisms have been extensively validated for operating conditions covering a wide range of pressures, temperatures, equivalence ratios and dilutions. The mechanisms are constructed in a self-consistent manner and follow a raterule–based approach for liquid components that results in predictive capabilities for the mechanisms. The predictive capabilities of library mechanisms are not limited to combustion characteristics of fuels, but also include fuel effects on emissions, along with soot particle size and number densities. The Model Fuel Library is based on both the outcome of the industry-driven Model Fuels Consortium (2006-2012) project and the ongoing Model Fuels Library Subscription Service that maintains the Library to keep it up to date with the state of current combustion scienc

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ANSYS Model Fuel Library-2

ANSYS Model Fuels Library Representative Mechanisms Included in the Model Fuels Library MFL includes well validated models for over 65. master fuel components that can be used to create accurate simulations for combustion of such common fuels as gasoline, diesel, jet fuel, FT fuels, natural or synthetic gas, biofuels and additives. Such fuels may be represented by “surrogate fuels” that are a combination of multiple MFL fuel components. The fuel components fall into chemical classes such as n-alkanes, iso-alkanes, 1-ring aromatics, 2-ring aromatics, cycloalkanes/naphthenes, olefins, oxygenated...

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