Results 41 to 50 of about 80,518 (317)

Wheat Straw Combustion and Co-firing for Clean Heat Energy Production

open access: yesChemical Engineering Transactions, 2016
The experimental study and analysis of the effects of wheat straw pellets co-firing with propane flame flow and co-combustion with wood pellets on the processes of thermo-chemical conversion and heat energy production are carried out with the aim to ...
I. Barmina, R. Valdmanis, M. Zake
doaj   +1 more source

Heats of Combustion of Octanes [PDF]

open access: yesJournal of the American Chemical Society, 1914
n ...
Richards, T. W., Jesse, R. H.
openaire   +2 more sources

Diesel engine heat release analysis by using newly defined dimensionless parameters [PDF]

open access: yes, 2014
This thesis was submitted for the degree of Doctor of Philosphy and awarded by Brunel UniversityDiesel engine combustion has been studied during the last decades by researchers in terms of improving the performance of the engine.
Abbaszadehmosayebi, Gholamreza
core  

Numerical analysis of reaction-diffusion effects on species mixing rates in turbulent premixed methane-air combustion [PDF]

open access: yes, 2009
The scalar mixing time scale, a key quantity in many turbulent combustion models, is investigated for reactive scalars in premixed combustion. Direct numerical simulations (DNS) of three-dimensional, turbulent Bunsen flames with reduced methane-air ...
Grout, R.W.   +7 more
core   +1 more source

Facile Preparation of Carbon Membranes Derived from a Fluorenyl‐Containing Polyimine for Selective Hydrogen Separation

open access: yesAdvanced Functional Materials, EarlyView.
A fluorenyl‐containing polyimine is introduced as a simple, scalable precursor for high‐performance carbon membranes. The precursor's intrinsic kinked structure enables defect‐free membrane formation with enhanced hydrogen permeance and excellent ideal selectivities for key industrial gas pairs (H2/N2, H2/CH4, and H2/CO2), offering a practical route ...
Clara Coiana   +5 more
wiley   +1 more source

PERFORMANCE PREDICTION OF CENTRIFUGAL PUMPS WITH CFD-TOOLS

open access: yesTASK Quarterly, 2001
The CFD-code FLUENT, version 5.4, has been used for the flow analysis of two test pumps of end-suction volute type: one of low specific speed and one of medium specific speed.
ERIK DICK   +3 more
doaj  

Ultrasmall High‐Entropy Materials: Nanoscale Effects, Synthesis, and Mechanistic Insights

open access: yesAdvanced Functional Materials, EarlyView.
This review article focuses on sub‐10 nm high‐entropy materials that combine nanoscale design with complex compositions for next‐generation applications. ABSTRACT Ultrasmall high‐entropy nanomaterials (USHENMs, <10 nm) merge multicomponent chemistry with size‐dependent effects, forming a distinct class of materials with unprecedented properties.
Yueyue He   +5 more
wiley   +1 more source

An Experimental Investigation on the Combustion and Heat Release Characteristics of an Opposed-Piston Folded-Cranktrain Diesel Engine

open access: yesEnergies, 2015
In opposed-piston folded-cranktrain diesel engines, the relative movement rules of opposed-pistons, combustion chamber components and injector position are different from those of conventional diesel engines.
Fukang Ma   +6 more
doaj   +1 more source

Fundamental studies of combustion of droplet and vapour mixtures [PDF]

open access: yes, 2010
There are few experimental data of a fundamental nature that clearly demonstrate the similarities and differences in burning rates between single phase and two phase combustion, either in laminar or turbulent conditions. Such data are essential towards a
Saat, Aminuddin
core  

Convective and Film Cooled Nozzle Extension for a High Pressure Rocket Subscale Combustion Chamber

open access: yes, 2010
Experimental investigations have been carried out to study heat transfer, flow separation, and side loads in a subscale nozzle extension. A Vulcain 2-like nozzle geometry has been tested with combustion chamber pressures up to 13 MPa. A new manufacturing
Richard Arnold   +5 more
core   +1 more source

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