Combustion and Emissions of Hydrocarbon-Fueled Engines

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: closed (20 July 2022) | Viewed by 2190

Special Issue Editor


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Guest Editor
Joint Institute for High Temperatures of the Russian Academy of Sciences, Moscow, Russia
Interests: kinetics of high-temperature reactions in gaseous media; ignition processes of hydrocarbon fuels; mechanisms of formation of polyaromatic hydrocarbons and soot in combustion processes

Special Issue Information

Dear Colleagues,

This Special Issue is devoted to the problems of the combustion and emissions of hydrocarbon-fueled engines.

Rapidly growing environmental problems require more and more attention in the search for new ways to reduce harmful emissions in the combustion products of various engines running on hydrocarbon fuels. In addition to the inevitable combustion products, carbon oxides, soot, and polyaromatic hydrocarbons (PAHs) have a harmful effects on the environment and humans. At the same time, if the fight against reducing soot formation in combustion products has been engaged in for many decades, then attention to smaller, optically transparent particles of the so-called nanoorganic carbon (NOC) and PAHs has appeared only over the last decade. Recent studies show that such particles can be even more harmful to the human body and many other aspects of the environment. On the other hand, the registration of such subnanometer particles is extremely difficult, which requires special efforts in the development of both experimental and theoretical approaches to the study of the mechanisms of their formation and the search for ways to reduce their emissions in combustion products.

In this Special Issue, we invite submissions exploring cutting-edge research and recent advances in the fields of reducing PAHs, NOC, and soot emissions from various hydrocarbon-fueled engines. Both theoretical and experimental studies are welcome, as well as comprehensive review and survey papers.

Prof. Dr. Alexander Eremin
Guest Editor

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Keywords

  • kinetics
  • high temperature reactions
  • ignition
  • combustion
  • pyrolysis
  • polyaromatic hydrocarbons
  • soot

Published Papers (1 paper)

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Research

17 pages, 1844 KiB  
Article
Thermodynamic Modeling and Exergoenvironmental Analysis of a Methane Gas-Powered Combined Heat and Power System
by Michael Adedeji, Muhammad Abid, Humphrey Adun, Ayomide Titus Ogungbemi, David Alao and Juliana Hj Zaini
Appl. Sci. 2022, 12(19), 10188; https://0-doi-org.brum.beds.ac.uk/10.3390/app121910188 - 10 Oct 2022
Cited by 1 | Viewed by 1820
Abstract
A combined heat and power (CHP) system powered by methane gas is modelled and analyzed in this study. The Thermolib MATLAB extension is used to model the system by graphically connecting the Thermolib standard components through fluid flows. An exergoenvironmental analysis is also [...] Read more.
A combined heat and power (CHP) system powered by methane gas is modelled and analyzed in this study. The Thermolib MATLAB extension is used to model the system by graphically connecting the Thermolib standard components through fluid flows. An exergoenvironmental analysis is also performed using EES. The results show that, for an input thermal energy rate of 29.9 MW, the Brayton and Rankine cycles generated 9.8 MW and 7.5 MW of net power, respectively. The heat pump was also able to supply 1.4 MW as its output. The total energy efficiency of the cogeneration system was 62% with the Brayton cycle working at 33%, the Rankine cycle at 36%, and the ammonia heat pump at a coefficient of performance (COP) of 9.1. The system also achieved an overall exergy efficiency of 78%. Furthermore, the system was examined at different levels by varying input parameters such as the pressure ratio of both the Brayton cycle and the heat pump, the pressure of the steam in the Rankine cycle, and the inlet energy from the combustion chamber of the system. The exergoenvironmental modeling of the system showed that the exergy stability factor and exergetic sustainability index increased from 0.41 to 0.47 and from 0.6 to 0.64 with increasing inlet combustion energy; this can be seen as a good indicator of its stability and sustainability. Full article
(This article belongs to the Special Issue Combustion and Emissions of Hydrocarbon-Fueled Engines)
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