Results 1 to 10 of about 27,589 (192)

Experimental study on diesel engine exhaust gas recirculation performance and optimum exhaust gas recirculation rate determination method [PDF]

open access: yesRoyal Society Open Science, 2019
In order to study the exhaust gas recirculation (EGR) performance of marine diesel engines, a venturi high-pressure EGR device was established to overcome the exhaust gas reflow problem based on a certain type of turbocharged diesel engine.
Xiang-huan Zu   +3 more
doaj   +4 more sources

Simulation and Economic Investigation of CO2 Separation from Gas Turbine Exhaust Gas by Molten Carbonate Fuel Cell with Exhaust Gas Recirculation and Selective Exhaust Gas Recirculation

open access: yesEnergies, 2023
The paper presents a simulation investigation of using a molten carbonate fuel cell (MCFC) combined with exhaust gas recirculation (EGR) or selective exhaust gas recirculation (SEGR) to reduce CO2 emission from the gas turbine in order to cope with ...
Jing Bian, Liqiang Duan, Yongping Yang
doaj   +2 more sources

Comparison Between Conventional Design and Cathode Gas Recirculation Design of a Direct-Syngas Solid Oxide Fuel Cell–Gas Turbine Hybrid Systems Part I: Design Performance [PDF]

open access: yesInternational Journal of Renewable Energy Development, 2017
In this paper, a conventional SOFC–GT hybrid system and a SOFC–GT hybrid system with cathode gas recirculation system fueled with syngas as the main source of energy were analyzed and their performances were compared.
Vahid Azami, Mortaza Yari
doaj   +2 more sources

A Review of the External and Internal Residual Exhaust Gas in the Internal Combustion Engine

open access: yesEnergies, 2022
Efficiency and emission reduction are the primary targets of internal combustion engine research due the large number of vehicles in operation and the impact of emissions-related pollution on human and ecosystem health.
Nguyen Xuan Khoa, Ocktaeck Lim
doaj   +1 more source

Ensuring the Environmental Friendliness of Drillships during Their Operation in Special Ecological Regions of Northern Europe

open access: yesJournal of Marine Science and Engineering, 2022
The features of the operation of the drillship-type vessels in special ecological regions of Northern Europe are considered. The main gap in the study of these systems is to determine the optimal degree of recirculation.
Sergii Sagin   +6 more
doaj   +1 more source

Performance Evaluation and Degradation Mechanism for Proton Exchange Membrane Fuel Cell with Dual Exhaust Gas Recirculation

open access: yesAdvanced Energy & Sustainability Research, 2023
Fuel gas utilization and water management are particularly challenging integrated engineering problems in hydrogen–oxygen proton exchange membrane fuel cell (H2/O2 PEMFC) systems.
Yang Liu, Zhengkai Tu, Siew Hwa Chan
doaj   +1 more source

Exhaust gas recirculation in a compression-ignition engine with nano coated Al2O3-TiO2 and ethanol fuel

open access: yesResults in Engineering, 2023
Ethanol is a fuel that is sustainable, made from biomaterials, and oxygenated. It has the potential to lower the amount of particle emissions produced by diesel engines, as well as the amount of CO2 produced during its life cycle.
Arunkumar Munimathan   +2 more
doaj   +1 more source

Improvement of Mixing Efficiency in the Combustion Chamber of a Powder-Fuel Ramjet Engine

open access: yesFrontiers in Energy Research, 2021
The challenge of the powder-fuel ramjet is to improve the mixing effect of powder-fuel with oxidizing agents and combustion efficiency. To improve the mixing and combustion efficiency of the powder-fuel ramjet engine, three configurations in head shapes ...
Wenxiong Xi, Jian Liu, Ren Mengfei
doaj   +1 more source

Research into limits of gas-fired burners flame stabilization in the flue gas recirculation [PDF]

open access: yes, 2020
Purpose. Determining the flue gas recirculation effect on the verge of the gas-fired burners flame stabilization based on experimental industrial research. Methods.
Holiakova, Iryna   +3 more
core   +1 more source

A CFD Modelling Approach for the Operation Analysis of an Exhaust Backpressure Valve Used in a Euro 6 Diesel Engine

open access: yesEnergies, 2023
Harvesting residual thermal energy from exhaust gases with thermoelectric generators is one of the paths that are currently being explored to achieve more sustainable and environmentally friendly means of transport.
Francisco J. Martos   +4 more
doaj   +1 more source

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