Results 141 to 150 of about 75,965 (289)

Analysis of the effects of baffles on combustion instability [PDF]

An analytical model has been developed for predicting the effects of baffles on combustion instability. This model has been developed by coupling an acoustic analysis of the wave motion within baffled chambers with a model for the oscillatory combustion ...
Evers, W. H., Huebner, A. L., Oberg, C. L., Schuman, M. D.   +3 more
core   +1 more source

Interfacial Solvent Molecular Engineering via High‐Safety Dense Separators for High‐Rate Lithium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The dense PPS‐separator prevents thermal runaway by allowing electron transfer through the steel needle during penetration, while the residual electrolyte enables brief ion migration and Joule heating, causing rapid electrolyte vaporization, collapse of the ion transport network, and a sharp drop in ionic conductivity.
Haitao Zhou, Jie Gu, Haiyun Zhou, Yihong Deng, Yafei Shi, Yang Yang, Chen Wang, Hongquan Gao, Jianchun Wu, Libo Wang, Xiangdong Huo   +10 more
wiley   +1 more source

Active Combustion Control for Aircraft Gas-Turbine Engines-Experimental Results for an Advanced, Low-Emissions Combustor Prototype [PDF]

Lean combustion concepts for aircraft engine combustors are prone to combustion instabilities. Mitigation of instabilities is an enabling technology for these low-emissions combustors.
Chang, Clarence T., DeLaat, John C., Kopasakis, George, Saus, Joseph R., Wey, Changlie   +4 more
core   +1 more source

Desulfurization of Benzothiophene Derivatives by Solvent Extraction Coupled With Oxidation Using Oxomolybdenum(VI) Bis(pyrazolyl)methane Catalysts

European Journal of Inorganic Chemistry, EarlyView.
A polymeric hybrid material formulated as [MoO3(bis(pyrazolyl)methane)] has been prepared and used as a catalyst precursor for the complete oxidative desulfurization of a model diesel containing recalcitrant benzothiophene derivatives. The precursor is converted in situ to an oxodiperoxo active species which is retained in the recyclable extractant ...
Ana C. Gomes, Fátima Mirante, Isabel S. Gonçalves, Martyn Pillinger, Salete S. Balula   +4 more
wiley   +1 more source

Research on Thermal Runaway Multiphysics Coupling Simulation and Sensor Optimization Layout of Lithium Iron Phosphate Energy Storage Battery Packs

Energy Science &Engineering, EarlyView.
This study explores thermal runaway in lithium‐iron‐phosphate energy storage battery packs through multi‐physics coupling simulation. Thermal runaway evolves from battery cells (experiencing overcharge, bulging, safety valve opening, and gas venting) to battery clusters (a) and propagates within the battery pack (b). Simulation results indicate: stress
Dongliang Guo, Lei Sun, Rong Sun, Jun Jia, Peng Xiao, Hailong Ruan, Xin Jiang   +6 more
wiley   +1 more source

An Innovative Rural Heating System Utilizing Coupled Cascade Thermal Storage: A Performance Analysis

Energy Science &Engineering, EarlyView.
Fig. 1. New rural heating system ABSTRACT This study presents a new rural heating system based on cascaded heat storage and air‐source heat pumps. Through a comparative analysis using the TRNSYS software between this system and the traditional solar‐assisted air‐source heat pump system, it was found that compared with the latter, the new system saves ...
Leilei Jiang, Kaibing Sun, Xilong Shen, Yinan Bo, Xun Liu, Hantao Liu, Ye Zhang, Hui Lei   +7 more
wiley   +1 more source

Similar Material Simulation Study on Dam Movement and Deformation Law of Deep Coal Seam Mining Under Dam

Energy Science &Engineering, EarlyView.
Aiming at the difficulties in accurately calculating the movement and deformation of small‐sized, deep‐buried dams with a significant height‐to‐depth ratio in deep fully mechanized caving mining, this study proposes to separate the analysis of surface and dam deformation.
Zhang Feng, Qin Hong‐yan, Hu Shou‐bin, Xu Xiao‐yu, Ti Zheng‐yi, Zheng Zhuo‐yan, Yang Shuai, Li Yang   +7 more
wiley   +1 more source

Combustion Dynamics Characteristics and Fuel Pressure Modulation Responses of a Three-Cup Third-Generation Swirl-Venturi Lean Direct Injection Combustion Concept [PDF]

This paper presents the combustion dynamic data and fuel modulation response of a three-cup Lean Direct Injection combustor developed by Woodward, FST. The test was conducted at the NASA Glenn Research Center CE-5 flame tube test facility.
Dam, B., He, Zhuohui J., Kopasakis, George, Lee, F. P., Saus, Joseph R., Thomas, Randy   +5 more
core   +1 more source

The Impact of Renewable and Non‐Renewable Energy on Economic Growth: Evidence From Sub‐Saharan African Countries Using Multivariate Panel Vector Autoregressive Modeling

Energy Science &Engineering, EarlyView.
This study analyzes energy consumption and economic growth across 39 Sub‐Saharan African countries using a PVAR model. Findings reveal that non‐renewable energy and labor force growth stimulate economic growth, while renewable energy does not stimulate economic growth in the short run.
Amadou Cham, Nana Kena Frempong, Richard Opoku, Francis Davis, Simon Kojo Appiah   +4 more
wiley   +1 more source

Combustion of Waste Rapeseed Oil and Jet Propellant‐8 Blends in a CI Engine

Energy Science &Engineering, EarlyView.
Using waste rapeseed oil (WRO) mixed with Jet Propellant‐8 (JP‐8) as fuel for a compression ignition engine. ABSTRACT The study examines the potential of blending waste rapeseed oil (WRO) with Jet Propellant‐8 (JP‐8) as a fuel for compression ignition (CI) engines.
Grzegorz Pawlak, Krzysztof Kosiuczenko, Patryk Płochocki, Mariusz Wesołowski, Jarosław Molenda, Tomasz Skrzek, Dominik Czerwonka   +6 more
wiley   +1 more source