Results 151 to 160 of about 501 (205)

Artificial Cell Catalysts for Biotransformation: Design Principles and Process Integration

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Artificial cell catalysts are emerging as programmable biocatalytic platforms for sustainable molecular conversion. By reconstituting enzymes and functional modules within synthetic compartments, they combine the selectivity of biological catalysis with the design flexibility of synthetic materials.
Iori Kobayashi, Shogo Yoshimoto, Katsutoshi Hori   +2 more
wiley   +1 more source

The roles of side chains in Y6‐series non‐fullerene acceptors for high‐performance organic solar cells

Bulletin of the Korean Chemical Society, EarlyView.
The development of organic solar cells (OSCs) has been driven by structural modifications of Y6‐series non‐fullerene acceptors. In particular, side‐chain engineering regulates solubility, molecular packing, and energy levels, enabling efficiencies to increase from 15.7% to over 20%.
Peddaboodi Gopikrishna, Bomi Kim, Jongnam Park, BongSoo Kim   +3 more
wiley   +1 more source

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Investigation of fuel dilution in ethanol spray MILD combustion

Applied Thermal Engineering, 2019
Abstract MILD combustion is a promising technique for low heating value fuels. In this paper, spray MILD combustion of diluted liquid fuel is numerically studied. The modelling framework is based on the RANS approach, the EDC combustion model with a skeletal chemical mechanism, and the Lagrangian tracking of droplets. The validated numerical model is
Hamed Karimi Motaalegh Mahalegi, Amir Mardani   +1 more
exaly   +2 more sources

The effect of reservoirs and fuel dilution on the dynamic behavior of a PEMFC

Journal of Power Sources, 2004
Abstract Data are presented to characterize the effects of reservoir size and hydrogen dilution on the dynamic behavior of a proton exchange membrane fuel cell (PEMFC) subjected to rapid changes in the voltage when the flowrates are constant. The data consist of the responses of the current density during low fuel stoichiometries in an effort to ...
Sirivatch Shimpalee, J W Van Zee
exaly   +2 more sources

Autoxidation of Dilute Jet-Fuel Blends

Energy & Fuels, 1999
The depletion of dissolved O2 has been measured at 185 °C for a series of 12 jet fuels diluted 10-fold in a paraffinic solvent. Reaction is limited by the fixed amount of O2 present in air-saturated fuel. Because of dilution, aromatics, olefins, and also species such as dissolved metals and natural secondary antioxidants that influence oxidation by ...
E. Grant Jones, Lori M. Balster
openaire   +1 more source

Biodiesel and Fuel Dilution of Engine Oil

SAE Technical Paper Series, 2007
<div class="htmlview paragraph">In this work fuel dilution of engine oil, and the impact of biodiesel fuel on dilution, were examined. New emissions requirements have driven the adoption of a range of aftertreatment systems for diesel engines.
Morgan Andreae, Howard Fang, Kirtan Bhandary   +2 more
openaire   +1 more source

ULTRA-DILUTE COMBUSTION OF PRIMARY REFERENCE FUELS

Combustion Science and Technology, 2007
Abstract Using n-heptane and iso-octane as gasoline surrogate fuels, the laminar flame speeds, flame thicknesses, reaction zone thicknesses, and flammability limits of fuel/air/residual gas mixtures are computationally studied over ranges of pressures, temperatures, and dilution levels representative of unthrottled HCCI operation.
YIMIN HUANG, CHIH-JEN SUNG∗, KAMAL KUMAR   +2 more
openaire   +1 more source

MILD combustion in diffusion-controlled regimes of Hot Diluted Fuel

Combustion and Flame, 2012
Reactive structures have been characterized in a steady laminar, unidimensional mixing layer on a dense grid of parameters in moderate or intense low-oxygen dilution (MILD) combustion conditions with hot and diluted fuel. The structures have been studied in terms of temperature and heat release profiles in a mixture fraction space for various ranges of
M de Joannon, G Sorrentino, A Cavaliere
openaire   +3 more sources

The robotized chemical treatment of diluted spent fuel samples prior to isotope dilution analysis

Journal of Radioanalytical and Nuclear Chemistry Articles, 1996
A system made up by a Zymark robot and a separation automate preteats spent fuel samples and monitors a tri-n-octylphosphine oxide column extraction chromatographic procedure in order to isolate and purify uranium and plutonium present in the samples, prior to the spectrometric measurements.
P. Zahradnik, H. Swietly
openaire   +1 more source

Fuel Dilution and Liquid Fuel Operational Effects on Ultra-High Thermal Intensity Distributed Combustor

50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, 2012
Abstract Ultra-high thermal intensity colorless distributed combustion has been examined for methane and methane diluted with air, nitrogen or carbon dioxide gas and liquid fuel (ethanol) burning in air at a fixed thermal load. Fuel was diluted with inert gases and air to simulate the combustion of low heating value fuels with special focus on the ...
Vaibhav K. Arghode, Ahmed E.E. Khalil, Ashwani K. Gupta   +2 more
openaire   +1 more source