Results 51 to 60 of about 3,898,800 (181)

Influence of Crank Angle Offset on the Mechanical Performance of Different Hydrogen-Fueled Opposed-Piston Engine Architectures

open access: yesApplied Sciences
Decarbonization of the automotive sector is essential to achieve global climate goals, as passenger cars contribute a substantial share of CO2 emissions.
Andrea Piergiacomi   +3 more
doaj   +1 more source

Engine Design Study for Free Double Piston Integrated Composite Cycle Engine

open access: yesAerospace
The Composite Cycle Engine (CCE) enhances the conventional Joule/Brayton cycle by replacing the high-pressure compressor with a high-quality piston-based gas generator that enables extremely high compression, combustion, and expansion of the working ...
Yu-Hsuan Lin   +5 more
doaj   +1 more source

Theoretical limits of scaling-down internal combustion engines [PDF]

open access: yes, 2010
Small-scale energy conversion devices are being developed for a variety of applications; these include propulsion units for micro aerial vehicles (MAV). The high specific energy of hydrocarbon and hydrogen fuels, as compared to other energy storing means,
Sher, E., Sher, Ilai, I. Sher, E. Sher
core   +1 more source

Hydrogen Utilization in Free Piston Engines: A Performance Investigation [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage
This paper presents a dynamic analysis of a free-piston engine (FPE) using hydrogen gas as the working fluid for the first time. Initially, the governing dynamic equations of the FPE are derived.
Amir Mobini   +3 more
doaj   +1 more source

Study of friction characteristics of a diesel engine running on different viscosity grade engine oils using conventional and acoustic emissions technique [PDF]

open access: yes
Experimental studies were conducted on an off highway heavy duty diesel engine running on different viscosity grade engine oil, for determining the friction power in a firing engine by measuring the indicated mean effective pressure (IMEP) by in–cylinder
Gu, Fengshou   +7 more
core   +5 more sources

Evaluating the efficiency of a linear based alternator in a free piston engine configuration [PDF]

open access: yes, 2018
Published ThesisElectrical power generation with minimal negative impact, such as low noise ratio, reduced air pollution and reduced carbon footprint on the environment yet producing high efficiency, has become a goal for numerous research institutes and
Kukuni, Tshepo Godfrey
core  

Development of a spark ignition free-piston engine generator [PDF]

open access: yes, 2015
PhD ThesisA dual-piston type two-stroke spark-ignition free-piston engine generator prototype has been developed. A comprehensive review on recent published researches and patent documents from academia and industrial organisations on free-piston engine ...
Hanipah., Mohd Razali
core   +4 more sources

Thermodynamic Performance of Heat Exchangers in a Free Piston Stirling Engine

open access: yesEnergies, 2018
There is an increasing request in energy recovery systems that are more efficient, environmentally friendly and economical. The free piston Stirling engine has been investigated due to its structural simplicity and high efficiency, coupled with its ...
Ayodeji Sowale, Athanasios J. Kolios
doaj   +1 more source

Magnetically Coupled Free Piston Stirling Generator for Low Temperature Thermal Energy Extraction Using Ocean as Heat Sink

open access: yesJournal of Marine Science and Engineering
The ocean, as one of the largest thermal energy storage bodies on earth, has great potential as a thermal-electric energy reserve. Application of the relatively fixed-temperature ocean as the heat sink, and using concentrated solar energy as the heat ...
Hao Tian, Zezhong Gao, Yongjun Gong
doaj   +1 more source

Study on the Influence of Diesel Fuel Substitution Ratio on the Characteristics of Dual-Fuel Free-Piston Engines

open access: yesApplied Sciences
The diesel substitution ratio is a key parameter influencing the combustion characteristics and energy conversion efficiency of hydrogen diesel dual-fuel free-piston engines.
Zhaoju Qin   +5 more
doaj   +1 more source

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