Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Gojmir Radica"'
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2878 (2024)
As marine traffic is contributing to pollution, and most vessels have predictable routes with repetitive load profiles, to reduce their impact on environment, hybrid systems with proton exchange membrane fuel cells (PEMFC-s) and battery pack are a pr
Externí odkaz:
https://doaj.org/article/0140dd9f0e744eefa0307790e47bcc69
Publikováno v:
Energies, Vol 17, Iss 7, p 1557 (2024)
This study investigates the influence of adding hydrogen as an additive to gasoline in a four-stroke engine, utilizing comprehensive thermodynamic comparative analysis conducted with self-developed engine model. This research aims to assess the perfo
Externí odkaz:
https://doaj.org/article/06ed87ba34d149e2afa9470b2f23aff5
Publikováno v:
Energies, Vol 16, Iss 24, p 8094 (2023)
Hybrid electric vehicles are certainly one of the key solutions for improving fuel efficiency and reducing emissions, especially in terms of special vehicles and with the use of CO2-neutral fuels. Determining the energy management strategy and findin
Externí odkaz:
https://doaj.org/article/c0c1011b8d864128987f639b41f009e0
Publikováno v:
Energies, Vol 17, Iss 1, p 120 (2023)
The air compressor holds paramount importance due to its significant energy consumption when compared to other Balance of Plant components of polymer electrolyte membrane (PEM) fuel cells. The air supply system, in turn, plays a critical role in ensu
Externí odkaz:
https://doaj.org/article/e69361aa4e234556b1effb151e7abec9
Autor:
Michał Jan Gęca, Gojmir Radica
Publikováno v:
Combustion Engines, Vol 188, Iss 1, Pp 67-74 (2021)
This paper examines the effect of an external preheating system for an internal combustion engine on fuel consumption, CO2 emissions, and cabin temperature of a Euro4 vehicle. A 1 kW electric system powered by 220 V was installed in series in the coo
Externí odkaz:
https://doaj.org/article/1061836e154a41588a48faff115fa194
Publikováno v:
Energies, Vol 16, Iss 2, p 641 (2023)
The application of newly available technologies in the green maritime sector is difficult due to conflicting requirements and the inter-relation of different ecological, technological and economical parameters. The governments incentivize radical red
Externí odkaz:
https://doaj.org/article/09da2580455d460cb0c3eb77bad9527f
Publikováno v:
Energies, Vol 15, Iss 21, p 8110 (2022)
In this study, a newly developed zero-dimensional electrochemical model was used for modeling and controlling proton-exchange membrane fuel cell (PEMFC) performance. Calibration of the model was performed with measurements from the fuel cell stack. S
Externí odkaz:
https://doaj.org/article/5d5b60791ffa412fa4035ad7be249d74
Publikováno v:
Energies, Vol 15, Iss 16, p 5865 (2022)
The latest electronically controlled marine engines have a control system that allows the operator to view all the essential parameters of the engine in real conditions during operation. The system is connected to the electronic control system (ECS)
Externí odkaz:
https://doaj.org/article/9b2379f594e1420eaf34b742f6447d25
Publikováno v:
Brodogradnja, Vol 69, Iss 4, Pp 53-68 (2018)
This study identifies and analyses the overall energy consumption required for converting LNG (liquefied natural gas) from liquid to gaseous state in high pressure vaporizers at various cargo discharge rates on a liquid natural gas regasification ves
Externí odkaz:
https://doaj.org/article/944ff21a17fd433ea4cf4c87f7a49bc8
Publikováno v:
Energies, Vol 14, Iss 15, p 4442 (2021)
Knowing the process of generating exhaust emissions and the determination of influential parameters are important factors in improving two-stroke slow-speed marine engines, particularly for further reductions in fuel consumption and stringent regulat
Externí odkaz:
https://doaj.org/article/8421ce9e365e4a4e810e1cac71b2f6ca