Results 51 to 60 of about 205,624 (165)

Effect of using spirulina algae methyl ester on the performance of a diesel engine with changing compression ratio: an experimental investigation. [PDF]

Sci Rep, 2022
Al-Dawody MF, Maki DF, Al-Farhany K, Flayyih MA, Jamshed W, Tag El Din ESM, Raizah Z.   +6 more
europepmc   +1 more source

ADVANTAGES AND DRAWBACKS OF TWO-STEP APPROACH TO PROVIDING DESIRED PARAMETERS IN LOSSY IMAGE COMPRESSION

Сучасні інформаційні системи
The object of the study is the process of lossy image compression. The subject of the study is the two-step approach to providing desired parameters (quality and compression ratio) for different coders. The goals of the study are to review advantages of
Fangfang Li , Sergey Abramov , Ihor Dohtiev , Vladimir Lukin   +3 more
doaj   +1 more source

StackZDPD: a novel encoding scheme for mass spectrometry data optimized for speed and compression ratio. [PDF]

Sci Rep, 2022
Wang J, Lu M, Wang R, An S, Xie C, Yu C.
europepmc   +1 more source

Prediction of Diesel Engine Performance and Emissions Under Variations in Backpressure, Load, and Compression Ratio Using an Artificial Neural Network

Applied Sciences
Excessive exhaust backpressure (EBP) in modern diesel engines disrupts gas exchange, increases residual gas fraction (RGF), and reduces combustion efficiency.
Nhlanhla Khanyi, Freddie Inambao, Riaan Stopforth   +2 more
doaj   +1 more source

Author Correction: StackZDPD: a novel encoding scheme for mass spectrometry data optimized for speed and compression ratio. [PDF]

Sci Rep, 2022
Wang J, Lu M, Wang R, An S, Xie C, Yu C.
europepmc   +1 more source

Adaptive Compression Ratio Engine

The increasing worldwide demand for enhanced fuel economy and lower greenhouse gas emissionsin the automotive market has driven immense innovatio n in internal combustion engine (ICE) technology. One of the promising methods to address the inherent drawbacks of fixed compression ratio engines is the application of Variable Compression Ratio (VCR ...
Mr. Aditya Suresh Kale, Mr. Anurag Prashant Wadewale, Mr. Tejas Mahesh Shirude, Mr. Krishnakant Mohare   +3 more
openaire   +2 more sources

Data Compression and Encryption Fusion: A Review of Hybrid Techniques for Secure and Efficient Online Transmission

IEEE Access
With the exponential growth of digital data, ensuring efficient and secure online file transmission has become a significant challenge. This study presents a comprehensive analysis of hybrid compression-encryption techniques, evaluating their impact on ...
Lei Zhao, Junhua Deng, Yimin Wang, Yulong Ma, Peng Lu   +4 more
doaj   +1 more source

Association between spinal cord compression ratio in magnetic resonance imaging, initial neurological status, and recovery after ventral slot in 57 dogs with cervical disc extrusion. [PDF]

Front Vet Sci, 2022
Bach FS, Mai W, Weber LFS, Villanova Junior JA, Bianchi de Oliveira L, Montiani-Ferreira F.   +5 more
europepmc   +1 more source

Comparison of Practical Investigations for CO Emissions Emitted From Single Cylinder S. I. Engine Fueled With Different Kinds of Hydrocarbon Fuels and Hydrogen

Al-Khawarizmi Engineering Journal, 2011
Liquefied petroleum gas (LPG), Natural gas (NG) and hydrogen were all used to operate spark ignition internal combustion engine Ricardo E6. A comparison of CO emissions emitted from each case, with emissions emitted from engine fueled with gasoline as a ...
Khalil Ibrahim Abaas
doaj  

Influence of Compression Ratio on Combustion and Emission Characteristics of Hydrogen Internal Combustion Engines Under Different Excess Air Coefficients

Energies
Hydrogen internal combustion engines (H2-ICEs) are a promising solution for decarbonizing heavy-duty transportation. This study investigates the effects of compression ratio (CR: 9, 11, 13) and excess air ratio (λ: 1–5) on the performance, emissions, and
Diming Lou, Yixuan Liu, Yunhua Zhang
doaj   +1 more source