Results 31 to 40 of about 219,799 (293)

Delayed fast neutron as an indicator of burn-up for nuclear fuel elements

open access: yesNuclear Engineering and Technology, 2021
Feasibility study of burn-up analysis and monitoring using delayed fast neutrons was investigated at Missouri University of Science and Technology Reactor (MSTR).
T. Akyurek, S.B. Shoaib, S. Usman
doaj   +1 more source

Assessing Consistency in Fuel Consumed Between Activity‐Based Wildfire Emission Estimates

open access: yesGeophysical Research Letters
Wildfire emission inventories exhibit large variability that complicates assessments of smoke impacts. Here we compare fuel consumed (in mass per burned area units) from multiple burn area‐based and energy‐based approaches for fires in the western US ...
P. E. Saide   +14 more
doaj   +1 more source

Breed-and-burn fuel cycle in molten salt reactors

open access: yesEPJ Nuclear Sciences & Technologies, 2019
The operation of a reactor on an open but self-sustainable cycle without actinide separation is known as breed-and-burn. It has mostly been envisioned for use in solid-fueled fast-spectrum reactors such as sodium-cooled fast reactors.
Hombourger Boris   +2 more
doaj   +1 more source

Evaluation of strategies for reducing taxi-out emissions at airports [PDF]

open access: yes, 2010
Aircraft taxiing on the surface contribute significantly to the fuel burn and emissions at airports. This paper is aimed at estimating the baseline fuel burn and emissions from taxi-out processes at airports, evaluating the potential benefits of ...
Balakrishnan, Hamsa, Deonandan, Indira
core   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

open access: yesAdvanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He   +5 more
wiley   +1 more source

Forest Fire Risk Assessment: An Illustrative Example from Ontario, Canada

open access: yesJournal of Probability and Statistics, 2010
This paper presents an analysis of ignition and burn risk due to wildfire in a region of Ontario, Canada using a methodology which is applicable to the entire boreal forest region.
W. John Braun   +4 more
doaj   +1 more source

Design and Optimization of Ram Air–Based Thermal Management Systems for Hybrid-Electric Aircraft

open access: yesAerospace, 2020
Ram air–based thermal management systems (TMS) are investigated herein for the cooling of future hybrid-electric aircraft. The developed TMS model consists of all components required to estimate the impacts of mass, drag, and fuel burn on the aircraft ...
Hagen Kellermann   +3 more
doaj   +1 more source

Young forests and fire: Using lidar–imagery fusion to explore fuels and burn severity in a subalpine forest reburn

open access: yesEcosphere, 2022
Anticipating fire behavior as climate change and fire activity accelerate is an increasingly pressing management challenge in fire‐prone landscapes. In subalpine forests adapted to infrequent, stand‐replacing fire, self‐limitation of burn severity in ...
Kristin H. Braziunas   +2 more
doaj   +1 more source

Fundamentals of 3-D Neutron Kinetics and Current Status [PDF]

open access: yes, 2008
This lecture includes the following topics: 1) A summary of the cell and lattice calculations used to generate the neutron reaction data for neutron kinetics, including the spectral and burn up calculations of LWR cells and fuel assembly lattices, and ...
Aragonés Beltrán, José María
core   +1 more source

Nanothermometry in Living Cells: Physical Limits, Conceptual and Material Challenges

open access: yesAdvanced Functional Materials, EarlyView.
Heat and temperature are fundamental to life. When nanothermometers began probing regions as small as a living cell, they triggered controversial claims of large intracellular temperature gradients. We review physical constraints energy‐conservation, entropy production, thermodynamic fluctuations, and molecular dynamics.
Taras Plakhotnik
wiley   +1 more source

Home - About - Disclaimer - Privacy