Results 91 to 100 of about 158,007 (340)

The Pentafluorophenyl Cation: A Superelectrophile and Diradical

Angewandte Chemie, EarlyView.
From radical to diradical cation. Photoionization (PI) of the thermally generated pentafluorophenyl radical yields the pentafluorophenyl cation in the gas phase. This cation is found to be a diradical with nearly degenerate open‐shell singlet and triplet ground states, and it is even more unstable than the parent phenyl cation by ∼40 kcal mol−1 ...
Enrique Mendez‐Vega, Adrián Portela‐González, Ginny Karir, Patrick Hemberger, Wolfram Sander   +4 more
wiley   +2 more sources

Experimental and Computational Studies of a Prototype Combustion Chamber for a Power Steam Boiler with a Vertical Precessing Vortex [PDF]

Problems of the Regional Energetics
Increasing the efficiency of using fossil fuels at thermal power plants is an urgent task. This problem arises most acutely during the operation of pulverized coal power boilers using flare fuel combustion technologies.
Boiko E.A., Semenov I.I., Lebedev K.V., Kulichkin A.P.   +3 more
doaj   +1 more source

Acoustic power measurements of oscillating flames [PDF]

, 1981
The acoustic power of an oscillating flame is measured. A turbulent premixed propane/air flame is situated near a pressure antinode of a standing wave in a laboratory combustion chamber. This standing wave is generated by a piston.
Valk, M.
core   +3 more sources

Doped Zinc Oxide‐Based Piezoelectric Devices for Energy Harvesting and Sensing

Advanced Energy and Sustainability Research, EarlyView.
This review provides a comprehensive overview of material properties, synthesis methods, and characterization techniques of doped ZnO, emphasizing the impact of doping on its structural and functional attributes. It highlights key findings, identifies knowledge gaps, and proposes future research directions to optimize doped ZnO for energy harvesting ...
Congran Jin, Junhu Zhou, Ziqian Wu, John X. J. Zhang   +3 more
wiley   +1 more source

Heat Transfer Correlations on Combustion Chamber Surface of Diesel Engine - Experimental Work

International Journal of Automotive Science and Technology, 2018
Design and control of recently developing engines have much important towards better fuel economy and reduction in exhaust emissions from an engine.
Amit Kumar, Abhilash Rai Sharama, Ajeet Kumar, Shiva Kumar   +3 more
doaj   +1 more source

Recent Progress on Cerium Oxide‐Based Nanostructures for Energy and Environmental Applications

Advanced Energy and Sustainability Research, EarlyView.
This review covers significant aspects, from CeO2's fundamental properties and synthesis methods to specific applications and emerging trends. With unique features such as redox reactivity, biocompatibility, and high oxygen storage, CeO2 is an excellent catalyst for water splitting, CO2 conversion, energy storage, and remediating environmental ...
Schindra Kumar Ray, Rabin Dahal, Moses D. Ashie, Shanna Marie M. Alonzo, Binod Raj KC, Bishnu Prasad Bastakoti   +5 more
wiley   +1 more source

Research on temperature field reconstruction technology for single-dome combustion chambers based on flame image

Frontiers in Materials
In order to compensate for the limitations of traditional temperature measurement methods, glass plates were installed on both sides of the single-dome combustion chamber test piece, and two CCD cameras observed the combustion flame in the furnace from ...
Miaomiao Chen, Haiyan Jiang, Xiaocheng Cai, Chuanwu Tan   +3 more
doaj   +1 more source

Some aspects of flox-methane rocket engine throttling [PDF]

Four injector designs and two chamber profiles were experimentally evaluated for structural integrity, combustion efficiency, and resistance to combustion instabilities.
Hannum, N. P., Seigwarth, E. J., Sokolowski, D. E.   +2 more
core   +1 more source

Numerical investigation of fluid structure interaction between unsteady flow and vibrating liner in a combustion chamber [PDF]

, 2007
Numerical investigations of fluid structure interaction between unsteady flow\ud and vibrating liner in a combustion chamber are undertaken. The computational study consist of two approaches.
Cooper, R.K., Khatir, Z., Kok, J.B.W., Pozarlik, A.K., Watterson, J.W.   +4 more
core   +1 more source

Metal‐Organic Open‐Framework Molecular Magnet Based on Vanadium Hexacyanoferrate Prussian Blue Analogs as Cathode Material for Advanced Potassium Ion Aqueous Battery

Advanced Energy and Sustainability Research, EarlyView.
An aqueous potassium‐ion battery using vanadium hexacyanoferrate (VHCF) as the cathode and graphite as the anode is presented. During charge/discharge, K+ ions shuttle between electrodes through the electrolyte, enabling energy storage. The VHCF material demonstrates high capacity (≈121 mAh g−1), fast kinetics, and eco‐friendliness, making it a ...
Nilasha Maiti, Pramod Bhatt, Mayuresh D. Mukadam, Manoj K. Sharma, Sher Singh Meena, Himal Bhatt, Katsuya Inoue, Kenya Shimada, Masahiro Sawada, Frank M. F. de Groot, Seikh Mohammad Yusuf   +10 more
wiley   +1 more source