Results 21 to 30 of about 406,468 (397)

Improvement of heat- and mass transfer modeling for single iron particles combustion using resolved simulations

open access: yesCombustion Science and Technology, 2022
In this work, we use a boundary layer resolved model to improve a Lagrangian point particle model to simulate the combustion of single iron particles. By resolving the full boundary layer, mass and heat transfer are accurately modeled, including Stefan ...
L. Thijs   +5 more
semanticscholar   +1 more source

Visualization of the homogeneous charge compression ignition/controlled autoignition combustion process using two-dimensional planar laser-induced fluorescence imaging of formaldehyde [PDF]

open access: yes, 2003
The paper reports an investigation into the HCCI/CAI combustion process using the two-dimensional PLIF technique. The PLIF of formaldehyde formed during the low-temperature reactions of HCCI/CAI combustion was exciting by a tunable dye laser at 355nm ...
Bäuerle B.   +3 more
core   +1 more source

A Generally Applicable Computer Algorithm Based on the Group Additivity Method for the Calculation of Seven Molecular Descriptors: Heat of Combustion, LogPO/W, LogS, Refractivity, Polarizability, Toxicity and LogBB of Organic Compounds; Scope and Limits of Applicability

open access: yesMolecules, 2015
A generally applicable computer algorithm for the calculation of the seven molecular descriptors heat of combustion, logPoctanol/water, logS (water solubility), molar refractivity, molecular polarizability, aqueous toxicity (protozoan growth inhibition ...
R. Naef
semanticscholar   +1 more source

Development of Correlations for Windage Power Losses Modeling in an Axial Flux Permanent Magnet Synchronous Machine with Geometrical Features of the Magnets

open access: yesEnergies, 2016
In this paper, a set of correlations for the windage power losses in a 4 kW axial flux permanent magnet synchronous machine (AFPMSM) is presented. In order to have an efficient machine, it is necessary to optimize the total electromagnetic and mechanical
Alireza Rasekh   +2 more
doaj   +1 more source

On Maximum Evaporation Rates of Liquid Droplets in Rocket Motors [PDF]

open access: yes, 1953
Upper limits have been estimated for the rate of evaporation of small liquid droplets in representative rocket combustion chambers. The droplets are assumed to be isothermal at all times. The droplet temperature as a function of time is determined by an
Penner, S. S.
core   +1 more source

Numerical Investigation of the Effect of Tower Dam and Rotor Misalignment on Performance and Loads of a Large Wind Turbine in the Atmospheric Boundary Layer

open access: yesEnergies, 2019
A modern horizontal axis wind turbine was simulated by means of computational fluid dynamics (CFD) simulations. The analyzed machine has a diameter of 100 m and is immersed in the atmospheric boundary layer (ABL).
Gilberto Santo   +3 more
doaj   +1 more source

On the Procedure of Draught Rate Assessment in Indoor Spaces

open access: yesApplied Sciences, 2020
The objective of the paper is to demonstrate the importance of the unsteady Computational Fluid Dynamics (CFD) simulations and long-term measurements for the reliable assessment of thermal comfort indoors, for proper categorization of the indoor thermal ...
Detelin Markov   +9 more
doaj   +1 more source

Review of Experimental Research on Supercritical and Transcritical Thermodynamic Cycles Designed for Heat Recovery Application

open access: yesApplied Sciences, 2019
Supercritical operation is considered a main technique to achieve higher cycle efficiency in various thermodynamic systems. The present paper is a review of experimental investigations on supercritical operation considering both heat-to-upgraded heat and
Steven Lecompte   +6 more
doaj   +1 more source

Study on Flow and Heat Transfer Characteristics of 25 kW Flameless Combustion in a Cylindrical Heat Exchanger for a Reforming Processor

open access: yesEnergies, 2023
Flameless combustion has advantages such as low pollution and uniform temperature in the combustion chamber, making it an excellent option for heat exchangers.
Ruiqi Zhu, Donghoon Shin
doaj   +1 more source

Development and a Validation of a Charge Sensitive Organic Rankine Cycle (ORC) Simulation Tool

open access: yesEnergies, 2016
Despite the increasing interest in organic Rankine cycle (ORC) systems and the large number of cycle models proposed in the literature, charge-based ORC models are still almost absent.
Davide Ziviani   +7 more
doaj   +1 more source

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