Results 21 to 30 of about 51,415 (261)

Hydrogen-Fuel Cell Hybrid Powertrain: Conceptual Layouts and Current Applications

open access: yesMachines, 2022
Transportation is one of the largest sources of CO2 emissions, accounting for more than 20% of worldwide emissions. However, it is one of the areas where decarbonization presents the greatest hurdles, owing to its capillarity and the benefits that are ...
Petronilla Fragiacomo   +4 more
doaj   +1 more source

Influence of User Preferences on the Revealed Utility Factor of Plug-In Hybrid Electric Vehicles

open access: yesWorld Electric Vehicle Journal, 2019
Plug-in hybrid electric vehicles (PHEVs) are an effective intermediate vehicle technology option in the long-term transition pathway towards light-duty vehicle electrification.
Seshadri Srinivasa Raghavan, Gil Tal
doaj   +1 more source

Grease Performance Requirements and Future Perspectives for Electric and Hybrid Vehicle Applications

open access: yesLubricants, 2021
Electric vehicle sales are growing globally in response to the move towards a greener environment and a reduction in greenhouse gas emissions. As in any machine, grease lubricants will play a significant role in the component life of these new power ...
Raj Shah   +3 more
doaj   +1 more source

Energy Efficiency Comparison between Hydraulic Hybrid and Hybrid Electric Vehicles

open access: yesEnergies, 2015
Conventional vehicles tend to consume considerable amounts of fuel, which generates exhaust gases and environmental pollution during intermittent driving cycles.
Jia-Shiun Chen
doaj   +1 more source

Performance measurement of the upgraded Microcab-H4 with academic drive cycle

open access: yesCommunications in Science and Technology, 2016
The original Microcab-H4, a hybrid fuel cell car, was tested with Academic drive cycle. After several years, the car was upgraded and tested with the ECE 15 drive cycle. The result showed the car has higher energy efficiency.
Luthfi Rais   +3 more
doaj   +1 more source

Hybrid Propulsion Efficiency Increment through Exhaust Energy Recovery—Part 1: Radial Turbine Modelling and Design

open access: yesEnergies, 2023
The efficiency of Hybrid Electric Vehicles (HEVs) may be substantially increased if the energy of the exhaust gases, which do not complete the expansion inside the cylinder of the internal combustion engine, is efficiently recovered by means of a ...
Emiliano Pipitone   +3 more
doaj   +1 more source

HARVESTING FRUITS USING A MOBILE PLATFORM: A CASE STUDY APPLIED TO CITRUS [PDF]

open access: yesEngenharia Agrícola, 2018
Harvesting fruits and vegetables has been a challenge. Mobile platforms for harvesting vegetables and fruits have been used, but with some limitations, such as their applicability for a certain time of the year and for a specific crop.
Marcos D. Ferreira   +3 more
doaj   +1 more source

Feasibility Analysis and Performance Evaluation of a Novel Power-Split Flywheel Hybrid Vehicle

open access: yesEnergies, 2018
Despite the advantages of flywheel energy storage, including low cost, a long life-cycle, and high reliability, the flywheel hybrid vehicle (FHV) has not yet been mass-produced because it usually uses two transmissions, one for the engine and the other ...
Chiwoong Song   +2 more
doaj   +1 more source

The Effect of Fuel Cell and Battery Size on Efficiency and Cell Lifetime for an L7e Fuel Cell Hybrid Vehicle

open access: yesEnergies, 2020
The size of the fuel cell and battery of a Fuel Cell Hybrid Electric Vehicle (FCHEV) will heavily affect the overall performance of the vehicle, its fuel economy, driveability, and the rates of fuel cell degradation observed.
Tom Fletcher, Kambiz Ebrahimi
doaj   +1 more source

Optimal Sizing of Storage Elements for a Vehicle Based on Fuel Cells, Supercapacitors, and Batteries

open access: yesEnergies, 2019
To achieve a vehicle-efficient energy management system, an architecture composed of a PEM fuel cell as the main energy source and a hybrid storage system based on battery banks and supercapacitors is proposed. This paper introduces a methodology for the
José Luis Sampietro   +2 more
doaj   +1 more source

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