Results 21 to 30 of about 156,519 (267)

Numerical study on the design of urea decomposition chamber in LP SCR system

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2019
In order to design efficient Urea Decomposition Chamber (UDC) for the Low Pressure (LP) Selective Catalytic Reduction (SCR) system, numerical simulations were conducted with respect to various design parameters.
Hyung Sik Um, Daehee Kim, Keon Ho Kim
doaj   +1 more source

Study on the Evaluation Method of Sludge Formation during the Oxidation Process of Gear Oils

open access: yesTribology Online, 2013
Generally synthetic gear oils have superior oxidation stability compared to mineral gear oils, although there is a concern that the oil life may depend on the sludge formation during its oxidation process. In the methods of ASTM D2893 or ASTM D5763 which
Akihiko Yano   +3 more
doaj   +1 more source

Women in Kazakhstan’s Energy Industries: Implications for Energy Transition

open access: yesEnergies, 2022
Kazakhstan has a relatively high level of overall gender development, as well as of female employment in its energy industries. Diverse views and backgrounds are necessary to address the challenges of curbing emissions in Kazakhstan, a major fossil fuel ...
Zauresh Atakhanova, Peter Howie
doaj   +1 more source

Development of seismic analysis method of fast reactor core

open access: yesNihon Kikai Gakkai ronbunshu, 2016
To design fast reactor (FR) core components, seismic response must be evaluated in order to ensure structural integrity. Sophisticated analysis method has been developed to study the seismic response of FR core.
Akihisa IWASAKI   +3 more
doaj   +1 more source

Enhanced Algal Photosynthetic Photon Efficiency by Pulsed Light

open access: yesiScience, 2020
Summary: We present experimental results demonstrating that, relative to continuous illumination, an increase of a factor of 3–10 in the photon efficiency of algal photosynthesis is attainable via the judicious application of pulsed light for light ...
Yair Zarmi   +8 more
doaj   +1 more source

Industry and energy

open access: yes, 2020
This section focuses on the secondary sector, namely manufacturing and energy industries. These industries produce goods and services that are consumed as final or intermediate goods and services, and that are necessary for activities in a society, while they also employ labour and provide wages to households.
Okuyama, Yasuhide   +3 more
openaire   +1 more source

Study on energy rebound effects of China's industries.

open access: yesPLoS ONE, 2023
From the perspective of generalized technological progress, this study investigates the energy rebound effects on China's domestic overall and the country's various industries using 2005-2017 data.
Guangqing Xu   +3 more
doaj   +2 more sources

The application of deep learning algorithms to classify subsurface drilling lost circulation severity in large oil field datasets

open access: yesSN Applied Sciences, 2021
In this paper, we present how precise deep learning algorithms can distinguish loss circulation severities in oil drilling operations. Lost circulation is one of the costliest downhole problem encountered during oil and gas well construction.
Sajjad Mardanirad   +2 more
doaj   +1 more source

Fault Detection and Diagnosis Methods for Fluid Power Pitch System Components—A Review

open access: yesEnergies, 2021
Wind turbines have become a significant part of the global power production and are still increasing in capacity. Pitch systems are an important part of modern wind turbines where they are used to apply aerodynamic braking for power regulation and ...
Magnus F. Asmussen   +2 more
doaj   +1 more source

Investigating Energy Intensity Convergence in the Iranian Manufacturing Industries [PDF]

open access: yesPizhūhishnāmah-i Iqtiṣād-i Inirzhī-i Īrān, 2020
Air pollution concerns, climate change, and sustainable development necessitate the discussion of the dynamics of energy intensity. Nowadays, energy convergence is widely used as a tool for considering the dynamics of energy intensity.
Zahra Dehghan Shabani   +2 more
doaj   +1 more source

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