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SAE technical paper series, Volume 981031.
Substantial improvements in engine fuel efficiency, torque and reduction of emissions are available with camless actuation capable of continuous control of... 
Simulation and Modeling | Valve trains | Spark ignition engines | Throttles
eJournal
SAE technical paper series, Volume 2000-01-1223.
One of the most promising methods to reduce fuel consumption is to use unthrottled engine operation, where load control occurs by means of variable valve... 
Electronic control systems | Powertrains | Variable valve timing | Exhaust emissions | Valve trains | Spark ignition engines
eJournal
SAE technical paper series, Volume 2012-01-1118.
In order to extend the CAI operation range in 4-stroke mode and maximize the benefit of low fuel consumption and emissions in CAI mode, 2-stroke CAI combustion... 
Valves | Valve trains
eJournal
SAE technical paper series, Volume 2012-01-0161.
Setting the correct valve timing and lift based on the operating speed will be the key to achieving good volumetric efficiency and torque. Continuously... 
Variable valve timing | Cams | Valve trains
eJournal
SAE technical paper series, Volume 2007-01-1282.
The part-load fuel consumption potential of unthrottled engine operation using variable valve actuation is evaluated for a single-cylinder version of the GM... 
Exhaust emissions | Computer simulation | Single cylinder engines | Valves | Valve trains | Spark ignition engines | Throttles
eJournal
SAE technical paper series, Volume 2006-01-0029.
One of the problems encountered when operating Diesel engines in HCCI mode is a too early start of combustion, due to the low ignition resistance of Diesel... 
Diesel exhaust emissions | Diesel / Compression Ignition engines | Valve trains | Spark ignition engines | Emissions
eJournal
SAE technical paper series, Volume 2009-36-0081.
In automotive application, spark ignition engines are, most of the time, part load operated, especially in city traffic and this is the most common operation... 
Valve trains | Spark ignition engines
eJournal
SAE technical paper series, Volume 2005-01-0768.
The mechanical fully variable valve lift system UniValve represents one of the new technical solutions for a throttle free load control for combustion engines.... 
Performance tests | Computational fluid dynamics | Valve trains | Spark ignition engines
eJournal
SAE technical paper series, Volume 2004-01-1394.
The ‘UniValve’ fully variable mechanical valve lift system is rated for use at engine speeds up to 8500 rpm. This system varies the valve opening period... 
Performance tests | Valves | Valve trains | Spark ignition engines | Throttles
eJournal
SAE technical paper series, Volume 2011-01-1830.
Spray and mixture formation in a compression ignition engine is of paramount importance for diesel combustion. In engine transient operation, when the load... 
Diesel exhaust emissions | Diesel / Compression Ignition engines | Valve trains
eJournal
Transportation Research Part A, ISSN 0965-8564, 2003, Volume 37, Issue 10, pp. 917 - 932
This paper describes an analytical process that computes the optimal operating successions of a rail vehicle to minimize energy consumption. Rising energy... 
Energy consumption | Automated train operation | Optimal control | MINIMIZATION | TRANSPORTATION | FUEL CONSUMPTION | TRANSPORTATION SCIENCE & TECHNOLOGY | optimal control | OPTIMAL DRIVING STRATEGIES | automated train operation | energy consumption | TRAIN
Journal Article
IEEE Transactions on Intelligent Transportation Systems, ISSN 1524-9050, 01/2016, Volume 17, Issue 1, pp. 2 - 13
Due to rising energy prices and environmental concerns, the energy efficiency of urban rail transit has attracted much attention from both researchers and... 
Rails | Energy consumption | Power demand | timetable optimization | urban rail transit | Optimization methods | integrated optimization | Acceleration | Synchronization | Train operation | energy-efficient driving | Integrated optimization | Urban rail transit | Timetable optimization | Energy-efficient driving
Journal Article
05/2017, 1st ed. 2017, Advances in High-Speed Rail Technology, ISBN 9811045968, 148
This book presents the latest findings on train operation theories and methods in the context of emergencies. It examines and assesses a range of... 
Engineering mathematics | Railroads | Emergency management
eBook
IEEE Transactions on Vehicular Technology, ISSN 0018-9545, 02/2019, Volume 68, Issue 2, pp. 1266 - 1277
Journal Article
Transportation Research Part C, ISSN 0968-090X, 12/2017, Volume 85, pp. 548 - 572
Journal Article
Transportation Research Part C, ISSN 0968-090X, 02/2017, Volume 75, pp. 168 - 182
•An integrated train trajectory and timetable optimization has been developed.•The optimization aims to minimize whole day substation energy... 
Integrated optimization | Railway operation | Rail transportation | Computer simulation | TRANSPORTATION SCIENCE & TECHNOLOGY | SYSTEMS | TIMETABLE OPTIMIZATION | TRAIN | Energy consumption | Analysis | Railroads | Energy use | Algorithms | Strategic planning (Business) | Energy industry | Mathematical optimization
Journal Article
Transportation Research Part A, ISSN 0965-8564, 07/2013, Volume 53, pp. 36 - 52
•Crowding has effects on operating speed, waiting time, travel time reliability and route and bus choice.•Passengers’ wellbeing, value of time savings, optimal... 
Wellbeing | Travel time | Standing | Reliability | Waiting time | Crowding | TRAVEL-TIME VARIABILITY | CONGESTED TRANSIT NETWORKS | ASSIGNMENT MODEL | TRANSPORTATION | STATIONS | OPTIMAL BUS FARES | CHOICE | WILLINGNESS-TO-PAY | FREQUENCY | TRANSPORTATION SCIENCE & TECHNOLOGY | SERVICE | ECONOMICS | Local transit
Journal Article
European Journal of Operational Research, ISSN 0377-2217, 07/2012, Volume 220, Issue 1, pp. 1 - 14
Journal Article
AIAA Journal, ISSN 0001-1452, 11/2019, Volume 57, Issue 11, pp. 4764 - 4777
Dual-mode operation and mode transition are experimentally investigated in optical axisymmetric scramjets in Mach 4.5 flows. The axisymmetric scramjet... 
COMBUSTOR | ENGINEERING, AEROSPACE | TRAIN | INLET | Stress concentration | Transducers | Axisymmetric | Choking | Supersonic combustion ramjet engines | Fluorescence | Combustion | Chemiluminescence | Flame propagation | Heat flux | Ramjets | Flow | Core flow | Organic chemistry | Supersonic speed | Combustion chambers | Planar laser induced fluorescence | SCRAM
Journal Article
QUANTUM ELECTRONICS, ISSN 1063-7818, 2017, Volume 47, Issue 9, pp. 831 - 834
Efficient generation of a train of laser pulses is obtained at room temperature in a Fe2+: ZnSe polycrystal pumped by a passively Q-switched Er : YAG laser.... 
PHYSICS, APPLIED | passive Q-switching | Fe2+: ZnSe laser | CRYSTAL | pulse train | MU-M | Er : YAG laser | ENGINEERING, ELECTRICAL & ELECTRONIC | Polycrystals | YAG lasers | Pulse repetition rate | Semiconductor lasers | Lasers | Room temperature
Journal Article
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