Results 41 to 50 of about 958,962 (214)

Site systems engineering: Systems engineering management plan [PDF]

open access: yes, 1996
The Site Systems Engineering Management Plan (SEMP) is the Westinghouse Hanford Company (WHC) implementation document for the Hanford Site Systems Engineering Policy, (RLPD 430.1) and Systems Engineering Criteria Document and Implementing Directive, (RLID 430.1).
openaire   +2 more sources

Influence of Quenching Height and Air Distribution Ratio on Combustion Characteristics of RQL Combustor

open access: yesShanghai Jiaotong Daxue xuebao
Based on the principle of the rich-burn/quench/lean-burn (RQL) technology, a low emission combustion chamber for gas turbine was designed. The effects of different heights of quenching structure and distribution ratios of the air flow on the flow field ...
HUI Lei, LIU Aiguo, WU Xiaoqu, ZHANG Yunjie, ZENG Wen
doaj   +1 more source

A comprehensive aerodynamic-thermal-mechanical design method for fast response turbocharger applied in aviation piston engines

open access: yesPropulsion and Power Research
Limited by the poor transient response performance of turbochargers, the dynamic performance of aviation piston engines tends to deteriorate. In a bid to enhance the turbocharger's acceleration capabilities, this study scrutinizes various factors ...
Yu Zhou   +7 more
doaj   +1 more source

Effects of injection pressure and impingement distance on flat-wall impinging spray flame and its heat flux under diesel engine-like condition

open access: yesAdvances in Mechanical Engineering, 2019
Heat loss is one of the main causes of energy losses in modern direct injection diesel engines. This heat loss of the engine occurs during combustion, mainly due to the heat transfer between the impinging spray flame and the piston cavity wall.
Rizal Mahmud   +5 more
doaj   +1 more source

PROSPECTS OF DEVELOPMENT ELECTRONIC AUTOMATIC CONTROL SYSTEMS FOR GAS-TURBINE ENGINES

open access: yesАвіаційно-космічна техніка та технологія, 2018
The analysis of the basic directions of electronic automatic control systems for aviation gas-turbine engines (FADEC) development is presented. This analysis is executed on the base of materials of the Scientific and Technical Congress of Aero-Engine ...
Геннадий Степанович Ранченко   +1 more
doaj   +1 more source

Experimental Study of Evaporation Characteristics of Acoustically Levitated Fuel Droplets at High Temperatures

open access: yesEnergies
Examining fuel droplet evaporation is crucial for enhancing fuel engine efficiency, conserving energy, and reducing emissions. This study utilizes experimental methods involving ultrasonic standing wave levitation and high-speed cameras to investigate ...
Bin Pang   +8 more
doaj   +1 more source

NASA propulsion controls research [PDF]

open access: yes
Multivariable control theory is applied to the design of multiple input and output engine controls. Highly-accurate, real-time engine simulations are utilized for control development and checkout.
Teren, F.
core   +1 more source

Correlating the Integral Sensing Properties of Zeolites with Molecular Processes by Combining Broadband Impedance and DRIFT Spectroscopy—A New Approach for Bridging the Scales

open access: yesSensors, 2015
Zeolites have been found to be promising sensor materials for a variety of gas molecules such as NH3, NOx, hydrocarbons, etc. The sensing effect results from the interaction of the adsorbed gas molecules with mobile cations, which are non-covalently ...
Peirong Chen   +6 more
doaj   +1 more source

Development of EPA aircraft piston engine emission standards [PDF]

open access: yes, 1976
Piston engine light aircraft are significant sources of carbon monoxide in the vicinity of high activity general aviation airports. Substantial reductions in carbon monoxide were achieved by fuel mixture leaning using improved fuel management systems ...
Houtman, W.
core   +1 more source

METHOD OF CONVERSION OF HIGH- AND MIDDLE-SPEED DIESEL ENGINES INTO GAS DIESEL ENGINES

open access: yesFacta Universitatis. Series: Mechanical Engineering, 2017
The paper aims at the development of fuel supply and electronic control systems for boosted high- and middle-speed transport engines. A detailed analysis of different ways of converting diesel engine to operate on natural gas was carried out.
Mikhail G. Shatrov   +4 more
doaj   +1 more source

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