Results 81 to 90 of about 143,449 (223)

Revisiting Endo-reversible Carnot engine: Extending the Yvon engine [PDF]

open access: yesarXiv
A famous paper [Am. J. Phys. 43, 22 (1975)] unveiled the efficiency at maximum power (EMP) of the endo-reversible Carnot heat engine, now commonly referred to as the Curzon-Ahlborn (CA) engine, pioneering finite-time thermodynamics. Historically, despite the significance of the CA engine, similar findings had emerged at an earlier time, such as the ...
arxiv  

What Users See - Structures in Search Engine Results Pages [PDF]

open access: yesarXiv, 2015
This paper investigates the composition of search engine results pages. We define what elements the most popular web search engines use on their results pages (e.g., organic results, advertisements, shortcuts) and to which degree they are used for popular vs. rare queries. Therefore, we send 500 queries of both types to the major search engines Google,
arxiv  

Development of artificial neural network to predict the performance of spark ignition engine fuelled with waste pomegranate ethanol blends

open access: yesInformation Processing in Agriculture, 2023
In this study, an artificial neural network (ANN) is developed to predict the performance of a spark-ignition engine using waste pomegranate ethanol blends.
D.Y. Dhande   +3 more
doaj  

Guidelines for Systematic Mapping Studies in Security Engineering [PDF]

open access: yesarXiv, 2018
Security engineering in the software lifecycle aims at protecting information and systems to guarantee confidentiality, integrity, and availability. As security engineering matures and the number of research papers grows, there is an increasing need for papers that summarize results and provide an overview of the area. A systematic mapping study "maps"
arxiv  

Performance charateristics of a conventional spark ignition petrol engine powered by biogas

open access: yesFuel Communications, 2022
This research investigates the use of biogas to run a spark ignition petrol engine and test for the engine performance. Conventional spark ignition petrol engine was modified into a dual fuel engine by changing the engine single fuel carburettor to dual ...
Eseoghene Daniel Karakitie   +2 more
doaj  

Experimental Investigation of Diluents Components on Performance and Emissions of a High Compression Ratio Methanol SI Engine

open access: yesEnergies, 2019
Increasing compression ratio and using lean burn are two effective techniques for improving engine performance. Methanol has a wide range of sources and is a kind of suitable fuel for a high-compression ratio spark-ignition lean burn engine.
You Zhou   +5 more
doaj   +1 more source

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