Results 21 to 30 of about 12,495 (245)

Study on the Effects of the Hydrogen Substitution Rate on the Performance of a Hydrogen–Diesel Dual-Fuel Engine under Different Loads

Energies, 2023
Due to having zero carbon emissions and renewable advantages, hydrogen has great prospects as a renewable form of alternate energy. Engine load and hydrogen substitution rate have a considerable influence on a hydrogen–diesel dual-fuel engine’s ...
Xiaole Liu, Shaohua Liu, Lizhong Shen, Yuhua Bi, Longjin Duan   +4 more
doaj   +1 more source

Research on the Characteristics of Operating Non-Uniformity of a High-Pressure Common-Rail Diesel Engine Based on Crankshaft Segment Signals

IEEE Access, 2021
This paper studies the operating uniformity of a high-pressure common-rail diesel engine based on crankshaft segment signals. Engine nonuniformity or unevenness refers to the crankshaft torque fluctuation caused by cylinder-to-cylinder differences, which
Yuhua Wang, Guiyong Wang, Guozhong Yao, Lizhong Shen   +3 more
doaj   +1 more source

A Review on Friction Reduction by Laser Textured Surfaces in Internal Combustion Engines

Tribology Online, 2022
The internal combustion engine will be required as a bridge-technology in the upcoming decades to achieve a significant reduction in local emissions in the mobility, and logistics sector.
Gabor Laki, András Lajos Nagy, Jan Rohde-Brandenburger, Barna Hanula   +3 more
doaj   +1 more source

Exhaust Emissions from a Hybrid City Bus Fuelled by Conventional and Oxygenated Fuel

Energies, 2022
City buses are one of the main means of public transport in cities. As they move in a limited and densely populated area and are intensively exploited, it is particularly important that they are environmentally friendly.
Miłosław Kozak, Piotr Lijewski, Marek Waligórski   +2 more
doaj   +1 more source

Fast-NO emission analysis of different mixture formation strategies in a hydrogen single-cylinder heavy-duty engine

Automotive and Engine Technology
This study investigates nitrogen oxide emissions (NO $$_x$$ x ) in a heavy-duty hydrogen engine by comparing Port Fuel Injection (PFI) with two Direct Injection (DI) configurations under various load conditions.
Manuel Bucherer, Hans Felix Schmid, Theodor Lanzer, Heiko Kubach, Thomas Koch   +4 more
doaj   +1 more source

Combustion mechanism study of ammonia/n-dodecane/n-heptane/EHN blended fuel

Applications in Energy and Combustion Science
Due to the challenges of ammonia, such as high ignition energy and slow flame propagation speed, the utilization of ammonia in engines might necessitate the implementation of dual-fuel combustion modes along with the use of cetane improvers.
Tengda Song, Can Wang, Mingsheng Wen, Haifeng Liu, Mingfa Yao   +4 more
doaj   +1 more source

Application of Gas Dissolved in Fuel in the Aspect of a Hypocycloidal Pump Design

Energies, 2022
The advancement of modern injection systems of diesel engines is related to a constant increase in the injection pressures generated by injection pumps.
Maciej Bajerlein, Wojciech Karpiuk, Rafał Smolec   +2 more
doaj   +1 more source

Electrical Conductivities of Conductors, Semiconductors, and Their Mixtures at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This article presents a comprehensive review of temperature‐dependent electrical conductivity data for multiple material classes at elevated temperatures, highlighting a persistent conductivity gap between metals and semiconductors in the range of 102$\left(10\right)^{2}$– 107$\left(10\right)^{7}$ S/m. Metal–ceramic irregular metamaterials are proposed
Valentina Torres Nieto, Marcia A. Cooper
wiley   +1 more source

Population of Nonmetallic Inclusions in Liquid High‐Silicon Electrical Steel in Contact With MgO–C Refractories Based on Recyclates and Environmentally Friendly Binders

Advanced Engineering Materials, EarlyView.
The formation of nonmetallic inclusions (NMIs) was investigated in this study, carrying out immersion tests for 30 min at a temperature of 1600°C with liquid high‐silicon electrical steel (Si ≈ 3 mass‐%) and different MgO–C refractories. Conventional MgO–C refractories were considered, as well as MgO–C refractories containing MgO–C recyclate and ...
Lukas Neubert, Matheus Roberto Bellé, Florian Kerber, Dinesh Kumar Gunasekar, Hans‐Jörn Weddige, Christos G. Aneziris, Olena Volkova   +6 more
wiley   +1 more source

A transient numerical study for heat transfer and flow characteristics of dimpled piston cooling gallery of a diesel engine

Case Studies in Thermal Engineering, 2023
Piston cooling gallery is an effective cooling method to achieve an acceptable piston temperature field. This paper aims to analyze the effects of teardrop dimples size and dimple head-and-tail orientation on flow and heat transfer inside the cooling ...
Jinkun Wang, Xiwen Deng, Guangyi Xie, Jilin Lei, Dewen Jia   +4 more
doaj   +1 more source