Results 11 to 20 of about 16,239 (217)

Evaluating Precipitation Errors Using the Environmentally Conditioned Intensity‐Frequency Decomposition Method

open access: yesJournal of Advances in Modeling Earth Systems, 2021
A fundamental issue when evaluating the simulation of precipitation is the difficulty of quantifying specific sources of errors and recognizing compensation of errors.
A. Di Luca   +3 more
doaj   +1 more source

TECHNOLOGY OF CYCLIC DISTILLATION IN ALCOHOL PRODUCTION

open access: yesHarčova Nauka ì Tehnologìâ, 2019
Alternate changing of the steaming periods and liquid overflow allows to intensify mass transfer between liquid and steam and to reduce the specific consumption of heating steam in the process of separation of multicomponent mixtures.
Y. Buliy, P. Shiyan, A. Kuts, I. Melnik
doaj   +1 more source

Preparation of Mn2O3-Co3O4 and its xylene removal by oxidation

open access: yesChemical Physics Impact, 2023
Xylene is one of the main components of volatile organic compounds (VOCs), the catalytic oxidation of xylene has been studied. In this work, the manganese-cobalt mixed oxide catalysts for the xylene removal have been prepared by one step direct ...
Yunsheng Xia   +4 more
doaj   +1 more source

Nytrox as “Drop-in” Replacement for Gaseous Oxygen in SmallSat Hybrid Propulsion Systems

open access: yesAerospace, 2020
A medical grade nitrous oxide (N2O) and gaseous oxygen (GOX) “Nytrox” blend is investigated as a volumetrically-efficient replacement for GOX in SmallSat-scale hybrid propulsion systems.
Stephen A. Whitmore
doaj   +1 more source

Experimental and Numerical Evaluation of Toxic Pool Evaporation

open access: yesApplied Sciences, 2020
To date, safety distances to toxic pool evaporation as measured by known models have been quoted in hundreds of meters, without a deeper study of the time variation of the evaporation rate.
Benjamin Truchot   +4 more
doaj   +1 more source

Insights on In Situ Combustion Modeling Based on a Ramped Temperature Oxidation Experiment for Oil Sand Bitumen

open access: yesEnergies, 2023
The ramped temperature oxidation (RTO) test is a screening method used to assess the stability of a reservoir for air-injection Enhanced Oil Recovery (EOR) and to evaluate the oxidation behavior of oil samples.
Lyudmila Khakimova   +2 more
doaj   +1 more source

Experimental Investigation on the Thermal Performance of Pulsating Heat Pipe Heat Exchangers

open access: yesEnergies, 2020
In this study, the vertically-oriented pulsating heat pipe (PHP) heat exchangers charged with either water or HFE-7000 in a filling ratio of 35% or 50% were fabricated to exchange the thermal energy between two air streams in a parallel-flow arrangement.
Kai-Shing Yang   +4 more
doaj   +1 more source

True eddy accumulation trace gas flux measurements: proof of concept [PDF]

open access: yesAtmospheric Measurement Techniques, 2019
Micrometeorological methods to quantify fluxes of atmospheric constituents are key to understanding and managing the impact of land surface sources and sinks on air quality and atmospheric composition.
L. Siebicke, A. Emad
doaj   +1 more source

Experimental Research and Numerical Analysis of Marine Oil Leakage and Accidental Ignition in Fishing Vessels

open access: yesApplied Sciences, 2023
The hazard of highly combustible marine oil leakage greatly increases fishing vessel operation risks. This research integrates an experiment to explore the coupling mechanism of a typical heated surface of an engine room as a source to ignite marine oil.
Na Li   +4 more
doaj   +1 more source

Experimental and unsteady numerical research of a high-specific-speed pump for part-load cavitation instability

open access: yesAdvances in Mechanical Engineering, 2019
Net positive suction head peak is a well-known cavitation instability phenomenon in high-specific-speed pumps. Both non-cavitating performance and cavitating performance of a high-specific-speed pump were investigated by experiments and numerical ...
Hong Li   +3 more
doaj   +1 more source

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