Results 81 to 90 of about 34,611 (247)

Relaxation of self-oscillation during the combustion of gunpowder in a semiclosed volume [PDF]

open access: yes
Relaxation of self oscillation during combustion of gunpowder in semiclosed ...
Gusenkov, G. N.
core   +1 more source

Design of High‐Performance MnCo1.5Cu0.5O4 Spinel Contact Material with Optimized Electrical Conductivity and Thermal Stability for Solid Oxide Electrolysis Cells by Cu Doping

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Cu‐doped spinel MnCo1.5Cu0.5O4 exhibits excellent conductivity and stability as SOC contact material. After 1000‐h aging at 850 °C, the contact layer maintains a 10 mΩ cm2 ASR value, and a single‐cell stack achieves a H2O/CO2 co‐electrolysis power density of 0.52 W cm−2.
Haozhen Li   +7 more
wiley   +1 more source

Applications of Various Methods of Analysis to Combustion Instabilities in Solid Propellant Rockets [PDF]

open access: yes, 1996
Instabilities of motions in a combustion chamber are consequences of the coupled dynamics of combustion processes and of the flow in the chamber. The extreme complexities of the problem always require approximations of various sorts to make progress in
Culick, F. E. C., Roh, T. S.
core  

Optimizing Electric Vehicle Charging Scheduling With Deep Q Networks and Long Short‐Term Memory‐Based Electricity and Battery State of Charge Prediction

open access: yesEnergy Science &Engineering, EarlyView.
Schematic diagram showing the proposed approach for EV charging/discharging. ABSTRACT The number of electric vehicles (EVs) on the road is rising as a result of recent advancements in EV technology, and EVs are important to the smart grid economy. Demand response schemes involving electric vehicles have the potential to dramatically reduce the cost of ...
F. Zonuntluanga   +6 more
wiley   +1 more source

On Velocity Feedback Combustion Oscillation

open access: yesTransactions of the Japan Society of Mechanical Engineers, 1963
Low frequency oscillation encountered in combustion system involving entrance resistance, exit resistance and capacity, was studied experimentally as well as theoretically and its nature was clarified. Various factors influencing on the frequency and the amplitude of oscillation, for example, entrance and exit resistance, capacity, shape of burner and ...
openaire   +2 more sources

Modeling pressure oscillations in Ramjets [PDF]

open access: yes, 1980
Pressure oscillations in ramjet engines are approximated as one-dimensional motions and treated within linear acoustics. The exhaust nozzle is represented by the admittance function for a short choked nozzle.
Culick, F. E. C., Rogers, T.
core  

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

open access: yesFlexMat, EarlyView.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu   +3 more
wiley   +1 more source

Experimental Investigation on Knock Characteristics from Pre-Chamber Gas Engine Fueled by Hydrogen

open access: yesEnergies
Hydrogen-fueled engines require large values of the excess air ratio in order to achieve high thermal efficiency. A low value of this coefficient promotes knocking combustion.
Ireneusz Pielecha   +2 more
doaj   +1 more source

Strategy of Sintering Ceramics Under Extreme Conditions

open access: yesInterdisciplinary Materials, EarlyView.
Novel strategies in extreme sintering technologies, which include ultrafast sintering, strong electric field‐assisted sintering, high‐pressure and ultra‐high‐pressure sintering, and multi‐field assisted sintering, and so on. ABSTRACT Advanced ceramics play a critical role in high‐tech industries.
Shuai Fu   +3 more
wiley   +1 more source

Experimental Study of Combustion Fluctuation Reduction Using In-Cylinder Pressure Estimation in Gasoline Engine

open access: yesJIRAE (International Journal of Industrial Research and Applied Engineering), 2018
Gasoline engines needs to reduce its negative emission waste and raise its thermal efficiency. Previous studies have shown an improvement of engines by regulating the ignition timing and retaining the engine at certain air-to-fuel ratio.
Mitsuhisa Ichiyanagi   +3 more
doaj   +1 more source

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