Results 111 to 120 of about 37,134 (315)

Large Language Model‐Based Chatbots in Higher Education

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
The use of large language models (LLMs) in higher education can facilitate personalized learning experiences, advance asynchronized learning, and support instructors, students, and researchers across diverse fields. The development of regulations and guidelines that address ethical and legal issues is essential to ensure safe and responsible adaptation
Defne Yigci   +4 more
wiley   +1 more source

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

Domestic electronic ignition on spark ignition engines

open access: yes, 1998
Se presenta la modificación del sistema de encendido convencional por ruptor, adaptado y construido a partir de los sistemas de encendido inductivo Bosch y Delco Remy; obteniéndose el sistema de encendido electrónico. Las pruebas experimentales se efectuaron en el motor Ford de cuatro cilindros ubicado en la Universidad Nacional de Ingeniería ...
Valderrama Romero, Andrés   +1 more
openaire   +1 more source

Experimental Investigation of Augmented Spark Ignition of a LO2/LCH4 Reaction Control Engine at Altitude Conditions [PDF]

open access: yes
The use of nontoxic propellants in future exploration vehicles would enable safer, more cost-effective mission scenarios. One promising green alternative to existing hypergols is liquid methane (LCH4) with liquid oxygen (LO2).
Kleinhenz, Julie   +2 more
core   +1 more source

Performance Investigation of Eco‐Friendly Refrigerant Mixtures as an Alternative to R134a in Vapour‐Compression Refrigeration System

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The growing impacts of climate change and energy scarcity demand environmentally sustainable refrigeration solutions. This study investigates eco‐friendly refrigerants (R152a, R290 and R600a) and their optimized ternary mixture as alternatives to R134a. Four blend compositions were analysed using experimental testing and REFPROP 10.0 modelling
M. Periyasamy, P. Senthilkumar
wiley   +1 more source

Evaluation of dissociated and steam-reformed methanol as automotive engine fuels [PDF]

open access: yes
Dissociated and steam reformed methanol were evaluated as automotive engine fuels. Advantages and disadvantages in using methanol in the reformed rather than liquid state were discussed.
Lalk, T. R.   +2 more
core   +1 more source

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