Results 101 to 110 of about 149,108 (355)

Novel Method for Determining Internal Combustion Engine Dysfunctions on Platform as a Service. [PDF]

open access: yesSensors (Basel), 2023
Harach T   +6 more
europepmc   +1 more source

”Dangerous fuels” for cars : a way to save the world [PDF]

open access: yes, 2019
Flame or combustion gave humans healthy food, protection, heat, light, and so on. The combustion also gave the power for a car to move from point A to point B. Most of the vehicle in the world now are powered by the internal combustion engines.
Nguyen, Duc-Khanh   +2 more
core   +1 more source

An Advanced High‐Performance Ultrafast Ammonium‐Ion Aqueous Battery Based on Dual‐Metal Redox Open Framework Molecular Magnet

open access: yesAdvanced Science, EarlyView.
The Prussian Blue Analogue molecular magnet KMnFeHCF is demonstrated as a high‐performance cathode for ultra‐fast aqueous ammonium‐ion batteries. A full cell using KMnFeHCF and graphite delivers ~71 mAh g−1 at 1.25 A g−1 and ~51 mAh g−1 at 2.2 A g−1, retaining 50% capacity after 1850 cycles. Its scalability, cycling stability, and low cost offer strong
Nilasha Maiti   +5 more
wiley   +1 more source

Flying cars economically favor battery electric over fuel cell and internal combustion engine. [PDF]

open access: yesPNAS Nexus, 2023
Liu M   +8 more
europepmc   +1 more source

Chaotic Combustion in Spark Ignition Engines

open access: yes, 2002
We analyse the combustion process in a spark ignition engine using the experimental data of an internal pressure during the combustion process and show that the system can be driven to chaotic behaviour.
Abarbanel   +10 more
core   +2 more sources

Recent Advances in Mediator and Proton Relay Usage in Molecular Catalysis

open access: yesAdvanced Science, EarlyView.
The use of electron–proton transfer mediators, redox mediators, and proton relays in synergy with molecular catalysts in energy‐related small‐molecule and organic transformations is discussed, with a focus on recent advances. Linear free‐energy relationship and catalytic Tafel plots provide a systematic foundation for benchmarking these catalytic ...
Yu‐Lin Chi   +3 more
wiley   +1 more source

The N.A.C.A. Combustion Chamber Gas-sampling Valve and Some Preliminary Test Results [PDF]

open access: yes
A gas sampling valve of the inertia-operated type was designed for procuring samples of the gases in the combustion chamber of internal combustion engines at identical points in successive cycles so that the analysis of the gas samples thus procured may ...
Buckley, E C, Spanogle, J A
core   +1 more source

Lightweight piston [PDF]

open access: yes, 1987
A lightweight piston composed of carbon-carbon composites is presented. The use of carbon-carbon composites over conventional materials, such as aluminum, reduces piston weight and improves thermal efficiency of the internal combustion reciprocation ...
Taylor, Allan H.
core   +1 more source

A Multi‐Step Deposition Strategy for β‐SiC Coatings on Cf/C Composites: Achieving Breakthrough Oxidation Resistance and Mechanical Properties

open access: yesAdvanced Science, EarlyView.
A new multi‐step β‐SiC deposition strategy for anti‐oxidation Cf/C composites successfully achieves dual‐performance breakthrough of anti‐oxidation property (≈700 h at 1500 °C)and mechanical property (bending strength of 215 MPa and adhesion strength of 9.4 MPa).
Dou Hu   +7 more
wiley   +1 more source

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