Results 51 to 60 of about 335,955 (241)

Feedforward Model Predictive Control of Fuel-Air Ratio for Lean-Burn Spark-Ignition Gasoline Engines of Passenger Cars

open access: yesIEEE Access, 2019
Precise fuel-air ratio (FAR) control on transient conditions is one of the key technologies for lean-burn spark-ignition (SI) engines. To improve fuel economy and reduce emissions, lean-burn engines must regulate their FAR immediately under different ...
Ping Wang, Chaojie Zhu, Jinwu Gao
doaj   +1 more source

Combustion Analysis of Ammonia Fueled High Compression Ratio SI Engine with Glow Plug and Sub-Chamber

open access: yesInternational Journal of Automotive Engineering, 2022
Ammonia is a kind of energy carrier of hydrogen, and its use as engine fuel has been studied. However, it requires overcoming shortcomings of low combustion speed. We focus that the laminar combustion velocity of gasoline mixture with an excess air ratio
Bin Guo   +6 more
doaj   +1 more source

Machine Learning‐Supported Analysis for Predicting and Visualizing Nonlinear Relationships Between Material Properties in Electroplated Chromium Layers

open access: yesAdvanced Engineering Materials, EarlyView.
This study applies machine learning regression to predict chromium layer thickness in decorative trivalent chromium electroplating, using 441 experiments from laboratory‐scale (1L) and pilot‐scale (14L) setups. Tree‐based models, particularly CatBoost, outperformed linear regression by capturing nonlinear parameter interactions (R2$R^2$ up to 0.77 ...
Christoph Baumer   +4 more
wiley   +1 more source

Microstructure Modification of Additively Manufactured Mo–9Si–8B by Annealing and Its Effects on High‐Temperature Mechanical Properties

open access: yesAdvanced Engineering Materials, EarlyView.
Postbuild annealing systematically modifies the phase fractions and morphology of EB‐PBF processed Mo–9Si–8B. Quantitative microstructure–property correlations reveal how controlled phase evolution enhances high‐temperature compressive strength and creep resistance.
Christopher Schmidt   +5 more
wiley   +1 more source

Multi-fidelity strategies for lean burn combustor design

open access: yes, 2012
In combustor design and development, the use of unsteady computational fluid dynamics (CFD) simulations of transient combustor aero-thermo-dynamics to provide an insight into the complex reacting flow-field is expensive in terms of computational time.
Wankhede, Moresh J., Wankhede, Moresh J
core   +1 more source

Combustors with Low Emission Levels for Aero Gas Turbine Engines

open access: yesInternational Journal of Engineering and Management Sciences, 2019
The aircrafts are responsible for emitting several types of pollutants, especially the pollutants in the form of NOX, CO2, CO, UHC, SOX and Particulate Matter PM (smoke/soot).
Noureddine Guellouh   +2 more
doaj   +1 more source

Discrepancies Between Micro Versus Macroscale Viscoelastic Properties in a Microplastic‐Tissue Composite Model

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the discrepancies between bulk mechanics and spatial mapping in a tissue‐mimetic hydrogel model. Microplastic particles create localized stiff mechanical microenvironments that are detectable by cellular‐scale nanoindentation but leave bulk properties unchanged as measured by rheology.
Ahron T. Verschleisser   +3 more
wiley   +1 more source

Study of the joint implementation of Information Technologies and Lean Practices [PDF]

open access: yes, 2016
The current understanding about Lean system implementation with the support of information technologies (IT) in Brazilian companies requires a deeper analysis to provide a clear overview about how to conduct a Lean implementation and how to use IT tools ...
Almeida Marodin, Giuliano   +4 more
core   +1 more source

Fabrication Routes for Ionic Conducting Fiber Strain Sensors

open access: yesAdvanced Engineering Materials, EarlyView.
Ionic conducting fiber strain sensors (ICFSs) offer compliant, textile‐integrable sensing. Thus far, the commercialization of ICFSs has been constrained by fiber fabrication routes. This review provides a fabrication‐centric analysis of ICFSs correlating processing strategies with material properties and scalability.
Leo John Kershaw   +3 more
wiley   +1 more source

Investigations of a Gas Turbine Low-Emission Combustor Operating on the Synthesis Gas

open access: yesInternational Journal of Chemical Engineering, 2017
Investigations of the working processes in a gas turbine low-emission combustor operating on the synthesis gas, in which the principle of RQL (Rich-Burn, Quick-Mix, and Lean-Burn) combustion technology is realized, have been performed.
Serhiy Serbin, Nataliia Goncharova
doaj   +1 more source

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