Results 1 to 10 of about 1,072,766 (264)

Strategies for Hydrogen-Enriched Methane Flameless Combustion in a Quasi-Industrial Furnace

open access: yesFrontiers in Energy Research, 2021
In this present work, simulations of 20 kW furnace were carried out with hydrogen-enriched methane mixtures, to identify optimal geometrical configurations and operating conditions to operate in flameless combustion regime.
Ruggero Amaduzzi   +6 more
doaj   +1 more source

Combination of polynomial chaos and Kriging for reduced-order model of reacting flow applications

open access: yesResults in Engineering, 2021
The combination of Proper Orthogonal Decomposition (POD) with Kriging has been shown to be a reliable choice for the development of Reduced-Order Models (ROMs) for the prediction of combustion data at unexplored operating conditions.
Gianmarco Aversano   +4 more
doaj   +1 more source

Techno-economic performances of active condensation in a medium-scale biomass-fired district heating unit

open access: yesCase Studies in Thermal Engineering, 2022
This work compares the economic viability of active and passive condensation in a medium-scale biomass combustion plant considering the variability of the return temperature and heat demand over the year.
Thibault Coppieters   +2 more
doaj   +1 more source

Local manifold learning and its link to domain-based physics knowledge

open access: yesApplications in Energy and Combustion Science, 2023
In many reacting flow systems, the thermo-chemical state-space is known or assumed to evolve close to a low-dimensional manifold (LDM). Various approaches are available to obtain those manifolds and subsequently express the original high-dimensional ...
Kamila Zdybał   +5 more
doaj   +1 more source

Discovery of New Ti-Based Alloys Aimed at Avoiding/Minimizing Formation of α” and ω-Phase Using CALPHAD and Artificial Intelligence

open access: yesMetals, 2020
In this work, we studied a Ti-Nb-Zr-Sn system for exploring novel composition and temperatures that will be helpful in maximizing the stability of β phase while minimizing the formation of α” and ω-phase. The Ti-Nb-Zr-Sn system is free of toxic elements.
Rajesh Jha, George S. Dulikravich
doaj   +1 more source

Feature extraction and artificial neural networks for the on-the-fly classification of high-dimensional thermochemical spaces in adaptive-chemistry simulations

open access: yesData-Centric Engineering, 2021
The integration of Artificial Neural Networks (ANNs) and Feature Extraction (FE) in the context of the Sample- Partitioning Adaptive Reduced Chemistry approach was investigated in this work, to increase the on-the-fly classification accuracy for very ...
Giuseppe D’Alessio   +2 more
doaj   +1 more source

Study on sequence problem optimization using variation-robust multi-objective optimization genetic algorithm

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2022
As a solution for sequence optimization, and to obtain a solution that is strong robustness to variations, a multi-objective robust design optimization (MORDO) and robust genetic algorithm (GA) are applied to a multi-objective optimization problem.
Takashi YAMAZAKI   +4 more
doaj   +1 more source

A Review of the Numerical Investigations of Jet-In-Hot-Coflow Burner With Reactor-Based Models

open access: yesFrontiers in Mechanical Engineering, 2020
Moderate or Intense Low-oxygen Dilution (MILD) combustion is considered as one of the most promising novel combustion technologies, as it ensures high efficiency and very low emissions (NOx and CO).
Zhiyi Li   +3 more
doaj   +1 more source

Probabilistic Optimization Techniques in Smart Power System

open access: yesEnergies, 2022
Uncertainties are the most significant challenges in the smart power system, necessitating the use of precise techniques to deal with them properly. Such problems could be effectively solved using a probabilistic optimization strategy.
Muhammad Riaz   +4 more
doaj   +1 more source

On the Influence of Kinetic Uncertainties on the Accuracy of Numerical Modeling of an Industrial Flameless Furnace Fired With NH3/H2 Blends: A Numerical and Experimental Study

open access: yesFrontiers in Energy Research, 2020
Ammonia/hydrogen-fueled combustion represents a very promising solution for the future energy scenario. This study aims to shed light and understand the behavior of ammonia/hydrogen blends under flameless conditions.
Marco Ferrarotti   +9 more
doaj   +1 more source

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