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Gotowe bibliografie tematyczne / Combustion and Emission / Artykuły w czasopismach

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Artykuły w czasopismach na temat „Combustion and Emission”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Najib Aminu Ismail, Mazlan Abdul Wahid, Aminuddin Sa'at, Abubakar Shitu, and Mohammed Bashir Abdulrahman. "Effect of Recirculation Ratio on the Combustion Characteristics of an Asymmetric Swirling Flameless Combustor using Biogas." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 108, no. 1 (2023): 52–65. http://dx.doi.org/10.37934/arfmts.108.1.5265.

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This study investigates the influence of recirculation ratio on the combustion characteristics of an asymmetric swirling flameless combustor. The recirculation ratio, defined as the ratio of the total recirculation mass flow rate to the primary air mass flow rate, plays a crucial role in determining the performance and emission characteristics of combustion systems. The asymmetric swirling flameless combustor offers potential advantages in terms of enhanced fuel flexibility, reduced pollutant emissions, and improved combustion stability. Through varying the recirculation ratio, the combustion

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2

Yu, Qiming, and Bhupendra Khandelwal. "Impact of Aromatic Hydrocarbons on Emissions in a Custom-Built High-Pressure Combustor." Energies 17, no. 16 (2024): 3939. http://dx.doi.org/10.3390/en17163939.

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This study addresses the ongoing demand for increased efficiency and reduced emissions in turbomachinery combustion systems. A custom-built high-pressure combustor was designed and manufactured at the Low Carbon Combustion Centre (LCCC) of the University of Sheffield to investigate the impact of different aromatic hydrocarbons on emission rates. The research involved the comprehensive testing of Jet−A1 fuel and six aromatic species blends under high-pressure conditions of 10 bar. Based on the numerical CFD simulations by ANSYS 19.2, tangential dual air injection and a strategically placed V-sh

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3

Kidoguchi, Y., M. Sanda, and K. Miwa. "Experimental and Theoretical Optimization of Combustion Chamber and Fuel Distribution for the Low Emission Direct-Injection Diesel Engine." Journal of Engineering for Gas Turbines and Power 125, no. 1 (2002): 351–57. http://dx.doi.org/10.1115/1.1501077.

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Effects of combustion chamber geometry and initial mixture distribution on the combustion process were investigated in a direct-injection diesel engine. In the engine experiment, a high squish combustion chamber with a squish lip could reduce both NOx and particulate emissions with retarded injection timing. According to the results of CFD computation and phenomenological modeling, the high squish combustion chamber with a central pip is effective to keep the combusting mixture under the squish lip until the end of combustion and the combustion region forms rich and highly turbulent atmosphere

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4

Ge, Yaxin, Guangyi Zhang, Jianling Zhang, Wennan Zhang, and Lijie Cui. "Emission Characteristics of NOx and SO2 during the Combustion of Antibiotic Mycelial Residue." International Journal of Environmental Research and Public Health 19, no. 3 (2022): 1581. http://dx.doi.org/10.3390/ijerph19031581.

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The antibiotic mycelial residue (AMR) generated from cephalosporin C production is a hazardous organic waste, which is usually disposed of by landfilling that causes potential secondary environmental pollution. AMR combustion can be an effective method to treat AMR. In order to develop clean combustion technologies for safe disposal and energy recovery from various AMRs, the emission characteristics of NOx and SO2 from AMR combustion were studied experimentally in this work. It was found that the fuel-N is constituted by 85% protein nitrogen and 15% inorganic nitrogen, and the fuel-S by 78% in

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5

Liu, Aiguo, Ruiyang Fan, Qiaochu Liu, Lei Xi, and Wen Zeng. "Numerical and Experimental Study on Combustion Characteristics of Micro-Gas Turbine Biogas Combustor." Energies 15, no. 21 (2022): 8302. http://dx.doi.org/10.3390/en15218302.

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The use of biogas in land-based gas turbines for power generation is a promising approach to reducing greenhouse gases and our dependence on fossil fuels. The focus of this research was to investigate the fuel/air mixing and combustion performance in an DLE (dry low emission) type can combustor designed for a micro-gas turbine. The fuel and air mixing uniformity was studied considering the air flow characteristic and fuel injection performance through the numerical simulation. The influence of the fuel/air mixing characteristics on the combustion characteristics was studied by numerical simula

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6

Kažimírová, V., and R. Opáth. "Biomass combustion emissions." Research in Agricultural Engineering 62, Special Issue (2016): S61—S65. http://dx.doi.org/10.17221/69/2015-rae.

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The paper deals with gaseous emissions generated in biomass combustion in water boilers. It provides results of analyses of gaseous emissions and boiler efficiency in combustion of branches of apple trees from spring pruning, spruce cuttings and corn cobs obtained from kernel harvest. Measurements were done in laboratory conditions. Average CO emission values observed in combustion were from 334.7 to 650.18 mg/m<sup>3</sup> and average NO<sub>x</sub> emission values were low, between 50.1 and 157.2 mg/m<sup>3</sup>. Boiler efficiency in applewood combustion

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7

Li, Houping, Junrui Shi, Mingming Mao, and Yongqi Liu. "Experimental and numerical studies on combustion characteristics of N 2 -diluted CH 4 and O 2 diffusion combustion in a packed bed." Royal Society Open Science 6, no. 9 (2019): 190492. http://dx.doi.org/10.1098/rsos.190492.

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Experimental and numerical studies were conducted to determine the combustion characteristics of gas diffusion combustion in a porous combustor packed with 2.5 mm or 3.5 mm alumina pellets, special attention being focused on the effect of packed bed height ( h ) on combustion, NO and CO emissions. The pollutant emission of diffusion filtration combustion is studied with different packed bed lengths in the range of 40 mm ≤ h ≤ 240 mm, fixed excess air ratio of 1.88 and fixed gas inlet velocity of 0.06 m s −1 . Results show that both immersed and surface flames coexist in the combustor. Although

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8

Yan, Yingwen, Yunpeng Liu, Liang Huang, and Jinghua Li. "Effects of Inlet Parameters on Combustion Performance in Gas Turbine Combustor." International Journal of Turbo & Jet-Engines 35, no. 4 (2018): 339–50. http://dx.doi.org/10.1515/tjj-2016-0058.

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Abstract The effects of different inlet parameters such as inlet temperature and pressure on combustion performance in a single-head combustor were experimentally investigated in this study. The combustion efficiency, total pressure loss, and CO and NO emissions at the outlet of a single-head rectangular combustor with different types of swirlers were separately measured. The experimental results showed that the inlet parameters had obvious effects on the combustion performance, with critical values of 600 K for the inlet temperature and 3.5 bar for the inlet pressure. The combustion efficienc

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9

Husain, Arkan Khikhal, Mahmood Attallah Mashkoor, and Fuad Abdul Ameer Khalaf. "Gas Turbine Tubular Combustor Main Injector Optimization for Low Emission Combustion." Journal of University of Babylon for Engineering Sciences 26, no. 10 (2018): 1–12. http://dx.doi.org/10.29196/jubes.v26i10.1799.

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This work presents the experimental investigation results of high performance and low emission colorless combustion in a gas turbine tubular combustor at atmospheric conditions. Low emission and colorless oxidation reaction is characterized by dispersed flame and temperature under the conditions of preheated air. System performance, emissions of CO and UHC are recorded up to achieve low emission colorless combustion, the flame capturing, Measurements of temperature, inlet air mass flow rate and gas fuel LPG flow rate for variable of fuel main injector holes diameter. concluded that maximal air

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10

Pan, Zhongjian, Yu Deng, and Lizhi Cheng. "Regular Analysis of Aero-Diesel Piston Engine between Combustion Chamber Size and Emission." International Journal of Aerospace Engineering 2019 (May 5, 2019): 1–12. http://dx.doi.org/10.1155/2019/8690906.

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The emission of aero-engines has been a focused issue, studying the regular of combustion chamber size on engine emission performance, with an aviation diesel piston engine as the object of study; the numerical model of diesel combustion spray and emission model are analyzed; and the dynamics grid of the combustion chamber is meshed by FIRE software, analyzing the relationship between the reentrant diameter, the maximum depth of the combustion chamber, and the emission generation, comparing the NOx and soot emissions under different combustion chamber sizes. The results show that reducing appr

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11

Hutla, P., P. Jevič, J. Mazancová, and D. Plíštil. "Emission from energy herbs combustion." Research in Agricultural Engineering 51, No. 1 (2012): 28–32. http://dx.doi.org/10.17221/4898-rae.

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The energy herb and waste agricultural biomass create important potential of fossil fuels replacement for heating. At present is being used straw, other energy crops are energy sorrel, reed canary grass, knotweed and miscanthus. At biomass combustion are monitored CO and NO<sub>x</sub> emissions. For five types of fuels were measured the emission parameters during their combustion in boiler for straw of output 1 MW. The CO emissions are very different for individual fuels. The highest values were achieved for energy sorrel combustion.

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12

Cui, Jiashuo, Rongguo Yu, Huishe Wang, Yangen Wang, and Jingze Tong. "A Comparative Study of Methanol and Methane Combustion in a Gas Turbine Combustor." Energies 18, no. 7 (2025): 1765. https://doi.org/10.3390/en18071765.

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To investigate the combustion and emission characteristics of a 20 MW gas turbine combustor following fuel replacement, this study employs numerical simulations to systematically compare the combustion performance of methanol and methane. The focus is on the influence mechanism of the fuel distribution ratio on NOx emissions. As a preliminary numerical investigation, this study aims to provide theoretical guidance for subsequent experimental research, with the results serving to define measurement points in experimental design. It is found that the value of NOx emission from methanol combustio

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13

Arifin, Ilham Zainul, Wirawan Wirawan, and Hari Rarindo. "The Effect of Sodium Hydroxide Absorbent on The Exhaust Emissions From Internal Combustion Engine." Logic : Jurnal Rancang Bangun dan Teknologi 22, no. 1 (2022): 27–34. http://dx.doi.org/10.31940/logic.v22i1.27-34.

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Exhaust emissions are the residue from burning fuel which can cause air pollution. To overcome this problem, it is necessary to design a system for reducing exhaust emissions of internal combustion engine. This study aims to determine the effect of absorbent concentration on the exhaust emission from internal combustion engine. The research was carried out in 2 stages, namely designing a system for reducing exhaust emissions from internal combustion engines and processing exhaust emissions by channeling exhaust emissions into an exhaust emission reduction system. The internal combustion engine

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14

Sung, Yonmo, Seungtae Kim, Byunghwa Jang, et al. "Nitric Oxide Emission Reduction in Reheating Furnaces through Burner and Furnace Air-Staged Combustions." Energies 14, no. 6 (2021): 1599. http://dx.doi.org/10.3390/en14061599.

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In this study, a series of experiments were conducted on a testing facility and a real-scale furnace, for analyzing the nitric oxide (NO) emission reduction. The effects of the temperature, oxygen concentration, and amount of secondary combustion air were investigated in a single-burner combustion system. Additionally, the NO-reduction rate before and after combustion modifications in both the burner and furnace air-staged combustion were evaluated for a real-scale reheating furnace. The air-to-fuel equivalence ratio (λ) of individual combustion zones for the furnace was optimized for NO reduc

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15

Zhang, Qun, Hua Sheng Xu, Tao Gui, Shun Li Sun, Yue Wu, and Dong Bo Yan. "Investigation on Reaction Flow Field of Low Emission TAPS Combustors." Applied Mechanics and Materials 694 (November 2014): 45–48. http://dx.doi.org/10.4028/www.scientific.net/amm.694.45.

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A twin annular premixing swirler (TAPS) combustor model of low emissions was developed in this study. And computational studies on combustion process in the combustor model were carried out. Standard k-ε Turbulence Model, PDF non-premixed combustion model, Zeldovich thermal NOx formation model and DPM two-phase model were employed. The distributions of some key performance parameters such as gas temperature, flow velocity, concentrations of NOx and CO emissions were obtained and analyzed. At the same time, combustion mechanics inside the TAPS combustor model were investigated. The computationa

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16

Khandelwal, B., A. Karakurt, V. Sethi, R. Singh, and Z. Quan. "Preliminary design and performance analysis of a low emission aero-derived gas turbine combustor." Aeronautical Journal 117, no. 1198 (2013): 1249–71. http://dx.doi.org/10.1017/s0001924000008848.

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Abstract Modern gas turbine combustor design is a complex task which includes both experimental and empirical knowledge. Numerous parameters have to be considered for combustor designs which include combustor size, combustion efficiency, emissions and so on. Several empirical correlations and experienced approaches have been developed and summarised in literature for designing conventional combustors. A large number of advanced technologies have been successfully employed to reduce emissions significantly in the last few decades. There is no literature in the public domain for providing detail

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17

Tao, Chengfei, and Hao Zhou. "Effects of ‘Oxy’ jet in cross flow on the combustion instability and NOx emissions in lean premixed flame." Thermal Science, no. 00 (2021): 178. http://dx.doi.org/10.2298/tsci201215178t.

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Combustion instability and nitrogen oxides emission are crucial factors for modern gas turbine combustors, which seriously hampers the research and development of advanced combustors. To eliminate combustion instability and NOx emissions simultaneously, effects of the ?Oxy? (CO2/O2, N2/O2, Ar/O2and He/O2) jet in cross flow(JICF)on combustion instability and NOx emissions are experimentally studied. In this research, the flow rate and oxygen ratio of the combustor are varied to evaluate the control effectiveness. Results denotes that all the four oxy fuel gas: CO2/O2, N2/O2, Ar/O2and He/O2, cou

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18

Szybist, James P., Juhun Song, Mahabubul Alam, and André L. Boehman. "Biodiesel combustion, emissions and emission control." Fuel Processing Technology 88, no. 7 (2007): 679–91. http://dx.doi.org/10.1016/j.fuproc.2006.12.008.

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19

Li, Wei, Yun Kun Xu, and Wen Wang. "Experimental Study on Emission Characteristics of the PCCI-Di Combustion with DME and Methanol." Applied Mechanics and Materials 521 (February 2014): 633–37. http://dx.doi.org/10.4028/www.scientific.net/amm.521.633.

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The compound combustion of DME and methanol was realized in a four-cylinder direct-injection diesel engine by introducing a certain amount of DME into the manifold and injecting methanol into the cylinder using the injection system of the original engine. The effects of methanol injection timing and equivalence ratios of methanol and DME on the emissions characteristics of the compound combustion mode were experimental studied. The results showed that: methanol injection timing has greater impact on the emissions of compound combustion mode. When methanol is injected before 65oCABTDC, the engi

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20

Sato, H., M. Mori, and T. Nakamura. "Development of a Dry Ultra-Low NOx Double Swirler Staged Gas Turbine Combustor." Journal of Engineering for Gas Turbines and Power 120, no. 1 (1998): 41–47. http://dx.doi.org/10.1115/1.2818086.

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This paper describes the development of an ultra-low NOx gas turbine combustor for cogeneration systems. The combustor, called a double swirler staged combustor, utilizes three-staged premixed combustion for low NOx emission. The unique feature of the combustor is its tertiary premix nozzles located downstream of the double swirler premixing nozzles around the combustor liner. Engine output is controlled by simply varying the fuel gas flow, and therefore employs no complex variable geometries for airflow control. Atmospheric combustion tests have demonstrated the superior performance of the co

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21

Nosek, Radovan, Michal Holubčík, and Štefan Papučík. "Emission Controls Using Different Temperatures of Combustion Air." Scientific World Journal 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/487549.

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The effort of many manufacturers of heat sources is to achieve the maximum efficiency of energy transformation chemically bound in the fuel to heat. Therefore, it is necessary to streamline the combustion process and minimize the formation of emission during combustion. The paper presents an analysis of the combustion air temperature to the heat performance and emission parameters of burning biomass. In the second part of the paper the impact of different dendromass on formation of emissions in small heat source is evaluated. The measured results show that the regulation of the temperature of

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22

Pham, Van Chien, Jae-Hyuk Choi, Beom-Seok Rho, et al. "A Numerical Study on the Combustion Process and Emission Characteristics of a Natural Gas-Diesel Dual-Fuel Marine Engine at Full Load." Energies 14, no. 5 (2021): 1342. http://dx.doi.org/10.3390/en14051342.

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This paper presents research on the combustion and emission characteristics of a four-stroke Natural gas–Diesel dual-fuel marine engine at full load. The AVL FIRE R2018a (AVL List GmbH, Graz, Austria) simulation software was used to conduct three-dimensional simulations of the combustion process and emission formations inside the engine cylinder in both diesel and dual-fuel mode to analyze the in-cylinder pressure, temperature, and emission characteristics. The simulation results were then compared and showed a good agreement with the measured values reported in the engine’s shop test technica

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23

Liu, Haili, Xu Zhang, and Qingchao Hong. "Emission Characteristics of Pollution Gases from the Combustion of Food Waste." Energies 14, no. 19 (2021): 6439. http://dx.doi.org/10.3390/en14196439.

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The emission characteristics of pollution gases produced via the combustion of food waste were studied through a laboratory-scale electrically heated tube furnace. The results showed that the pollution gases generated from the combustion of food waste were CO, H2 and NOx. Each emission curve of CO had a peak. When the combustion temperature rose from 400 °C to 1000 °C, the peak first increased (from 400 °C to 700 °C) and then decreased (from 800 °C to 1000 °C). However, the burnout time shortened with the increase in temperature. Therefore, food waste should be combusted at a higher temperatur

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24

Sriwardani, Nyenyep, Yuya Okamoto, Takehiko Seo, and Masato Mikami. "The Influence of Hydrogen Addition to Diesel Fuel Spray Combustion for Different Atomization Conditions." Applied Mechanics and Materials 493 (January 2014): 33–38. http://dx.doi.org/10.4028/www.scientific.net/amm.493.33.

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The negative effects of hydrocarbon fuels are widely highlighted by increasing global warming and declining quality of human health. Therefore, it is important to reduce the level of emissions from liquid hydrocarbon combustion. Hydrogen addition to the combustion chamber is one of the proven methods to improve emssions level. In this research, an experiment was conducted on diesel fuel spray combustion with hydrogen addition. The effect of additional hydrogen was observed on CO, CO2, NO and THC exhaust gas emissions. A small hydrogen fraction (0~3 vol %) was added to the rich premixed spray c

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25

Bradna, J., and J. Malaťák. "Flue gases thermal emission concentration during waste biomass combustion in small combustion device with manual fuel supply." Research in Agricultural Engineering 62, No. 1 (2016): 1–8. http://dx.doi.org/10.17221/36/2014-rae.

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he aim of the experiments is determination of emission concentrations in the observed substances produced in exhaust gas during combustion of various mixtures of waste biomass compacted samples. The samples were pressed into the form of briquettes with a diameter of 65 mm. During the actual measurements the following parameters were monitored: emissions of carbon dioxide (CO<sub>2</sub>), carbon monoxide (CO), nitrogen oxides (NO<sub>x</sub>) and flue gas temperature depending on the excess air coefficient. Measurements of emission parameters were carried out in storage

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Králik, M., J. Jablonický, Z. Tkáč, et al. "Monitoring of selected emissions of internal combustion engine." Research in Agricultural Engineering 62, Special Issue (2016): S66—S70. http://dx.doi.org/10.17221/72/2015-rae.

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The paper deals with the possibility of appropriate measurement and evaluation of emissions of nitrogen oxides. Development of exhaust systems which captures the solid particles emitted from engine, lost an objective assessment of the emission status of the diesel engine of agricultural tractor. Therefore, it is necessary to find a new method of measuring and quantifying the emission state of the diesel engine by measuring emissions, which should be economic and time-saving, but especially universal and sufficiently precise. The selected method should also provide sufficient information on suc

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27

Huang, Bi Jie. "Emission Inventory of Volatile Organic Compounds from Field Burning of Crop Residues in Hubei Province, China." Advanced Materials Research 955-959 (June 2014): 1280–84. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.1280.

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Crop residues combustion is an important anthropogenic sources of volatile organic compounds (VOCs) in China.Emissions of VOCs from crop residues combustion significantly affect climate forcing and human health. A reliable estimation of VOCs emission from the source is the important prerequisite for emission impact assessment and control strategy in the urban or regional areas. VOCs emissions from crop residues combustion in Hubei Province, China and the districts were estimated by factor analysis method, which was based on the yield of major farm crops in the period of 2010. Moreover, Cultiva

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28

Wan, Junying, Tiejun Chen, Xianlin Zhou, et al. "Investigations into NOx Formation Characteristics during Pulverized Coal Combustion Catalyzed by Iron Ore in the Sintering Process." Metals 12, no. 7 (2022): 1206. http://dx.doi.org/10.3390/met12071206.

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Sintering accounts for about 50% of the total NOx emissions of the iron and steel industry. NOx emissions from the sintering process can be simulated using the emissions from coke combustion. However, the generation and emission law for NOx burning in the sintering process of pulverized coal is still not clear. The formation characteristics of NOx during coal combustion catalyzed by iron ore fines and several iron-containing pure minerals were studied in this paper. The results showed that iron ore fines can improve the NOx emission rate and increase the total NOx emissions during coal combust

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Salinas, Carlos T., Leonardo Gonzales, Luis Felipe Bellido, Lucas Ramos, and Daniel Marcelo-Aldana. "Flame temperature and alkali emission in combustion of sugarcane bagasse and straw." E3S Web of Conferences 323 (2021): 00035. http://dx.doi.org/10.1051/e3sconf/202132300035.

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This work presents a numerical and experimental study in a laboratorial rig to measure local flame temperature and alkali emission during the combustion of sugarcane bagasse and straw. Tubular combustion chamber to simulate combustion in grate is used. A spectral analysis method in the visible spectrum was used for measurement of local temperatures in a sugarcane bagasse flame and sugarcane straw flame. The two-color method is used to calculate flame temperature. In flame reactive zone, the bagasse and straw flame temperatures in the range of 1420 to 1510 K and in the range of 1450 to 1550 K r

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Komarov, E. M. "Methods for Reducing Emission of Harmful Substances in the Combustion Chambers of GTE and GTP." Mechanical Engineering and Computer Science, no. 5 (June 21, 2018): 9–29. http://dx.doi.org/10.24108/0518.0001394.

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A combustion chamber, as one of the crucial GTE components, plays a significant role in ensuring its environmental characteristics. Therefore, understanding the mechanisms of forming harmful substances (pollutants) and a possibility to predict their emission values, when changing the engine operation parameters and the external conditions, are some of the key issues to ensure ICAO (International Civil Aviation Organization) standards. The solution of these issues allows us to estimate the emission characteristics at the stage of engine design and to develop effective methods for preventing the

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31

Cheng, Wen Ming, and Gang Li. "Multi-Dimensional Numerical Simulation of Emission Characteristics in DI Diesel Engine." Advanced Materials Research 189-193 (February 2011): 2395–98. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.2395.

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In addition to the traditional test methods, numerical simulation the combustion process of internal combustion engine based on experiment, which have the advantages of short period, fast result, low cost and huge Information, has been an important means to study the flow field of engine and the effect of flow field to the emissions. The combustion process and emission characteristics of DI diesel were calculated using CFD software – FIRE. Some important research information, including the distribution of temperature field and exhaust emission concentration as well as the course of emission gr

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Tian, Siran, Lina Zhang, Yi Wang, and Haozhong Huang. "Impact of Post-Injection Strategies on Combustion and Emissions in a CTL–Ammonia Dual-Fuel Engine." Energies 18, no. 12 (2025): 3077. https://doi.org/10.3390/en18123077.

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Ammonia is a carbon-free fuel with strong potential for emission reduction. However, its high auto-ignition temperature and low reactivity lead to poor ignitability and unstable combustion. In contrast, coal-to-liquid (CTL) fuel offers high cetane number, low sulfur content, and low aromaticity, making it a clean fuel with excellent ignition performance. Blending CTL with ammonia can effectively compensate for ammonia’s combustion limitations, offering a promising pathway toward low-carbon clean combustion. This study explores the effects of post-injection strategies on combustion and emission

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33

Kinoshita, Y., T. Oda, and J. Kitajima. "Research on a Methane-Fueled Low NOx Combustor for a Mach 3 Supersonic Transporter Turbojet Engine." Journal of Engineering for Gas Turbines and Power 123, no. 4 (2000): 787–95. http://dx.doi.org/10.1115/1.1377009.

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Methane-fueled low NOx combustor research had been conducted under the Japanese supersonic/hypersonic propulsion research program. A unique form of premixture jet swirl combustor (PJSC) was proposed for the ultra low NOx combustor of a Mach 3 turbojet engine. Fuel-air mixing tests and fundamental combustion tests were conducted to obtain the design data and combustion characteristics in the first phase of the research. A single can-type combustor was fabricated and high-temperature and high-pressure combustion tests were carried out for the evaluation on NOx emission reduction capability of th

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Jeong, Gijeong, and Kyubok Ahn. "One-Dimensional Analysis of Double Annular Combustor for Reducing Harmful Emissions." Energies 14, no. 13 (2021): 3930. http://dx.doi.org/10.3390/en14133930.

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The number of aircraft flights worldwide has increased steadily since the introduction of air transportation to the public. Accordingly, environmental issues caused by the exhaust gases of aircraft engines have emerged. In particular, international organizations have crafted emission regulations since gases exhausted during takeoff and landing have been identified as the direct cause of air pollution near airports. Nitrogen oxides (NOx) produced at high combustion temperatures and carbon monoxide (CO) due to incomplete combustion affect the performance of the combustion chamber. Therefore, ann

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Gao, Wenzhi, Zhen Fu, Yong Li, Yuhuai Li, and Jiahua Zou. "Progress of Performance, Emission, and Technical Measures of Hydrogen Fuel Internal-Combustion Engines." Energies 15, no. 19 (2022): 7401. http://dx.doi.org/10.3390/en15197401.

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To achieve the goals of low carbon emission and carbon neutrality, some urgent challenges include the development and utilization of low-carbon or zero-carbon internal combustion engine fuels. Hydrogen, as a clean, efficient, and sustainable fuel, has the potential to meet the abovementioned challenges. Thereby, hydrogen internal combustion engines have been attracting attention because of their zero carbon emissions, high thermal efficiency, high reliability, and low cost. In this paper, the opportunities and challenges faced by hydrogen internal-combustion engines were analyzed. The progress

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Wang, Chao, and Qinggang Lyu. "Combined Removal of NOx and SO2 in Circulating Fluidized Beds with Post-Combustion." Processes 13, no. 5 (2025): 1496. https://doi.org/10.3390/pr13051496.

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The post-combustion technology of circulating fluidized beds (CFBs) can largely reduce the emission of nitrogen oxides (NOx) in the process of combustion, significantly reducing the removal cost of NOx. To explore the potential of the combined removal of NOx and SO2 emissions under post-combustion technology, experiments were conducted on a 0.1 MWth circulating fluidized bed test platform. This paper focuses on the effect of temperature in CFB with limestone addition on NOx and SO2 emissions under post-combustion technology combined with sorbent injection into the furnace. The low-cost combine

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Guan, Wei, Songchun Luo, Jie Wu, et al. "The Impact of Diesel Injection Strategy and In-Cylinder Temperature on the Combustion and Emissions of Ammonia/Diesel Dual-Fuel Marine Engine." Energies 18, no. 14 (2025): 3631. https://doi.org/10.3390/en18143631.

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This study investigates the impact of different combustion control strategies on marine engine combustion and emission characteristics at a high ammonia energy ratio. Compared to the strategy of maintaining a constant fuel injection duration, the strategy of keeping the fuel injection pressure constant allows the kinetic energy of diesel to remain at a higher level. This results in an increase in combustion efficiency and indicated the thermal efficiency of the engine, while also reducing CO2 and soot emissions. However, when the ammonia energy ratio increases to more than 50%, the indicated t

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Yilmaz, Ilker, Harun Yilmaz, and Omer Cam. "An experimental study on premixed CNG/H2/CO2 mixture flames." Open Engineering 8, no. 1 (2018): 32–40. http://dx.doi.org/10.1515/eng-2018-0003.

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Abstract In this study, the effect of swirl number, gas composition and CO2 dilution on combustion and emission behaviour of CNG/H2/CO2 gas mixtures was experimentally investigated in a laboratory scale combustor. Irrespective of the gas composition, thermal power of the combustor was kept constant (5 kW). All experiments were conducted at or near stoichiometric and the local atmospheric conditions of the city of Kayseri, Turkey. During experiments, swirl number was varied and the combustion performance of this combustor was analysed by means of centreline temperature distributions. On the oth

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Szyszlak-Bargłowicz, Joanna, Jacek Wasilewski, Grzegorz Zając, Andrzej Kuranc, Adam Koniuszy, and Małgorzata Hawrot-Paw. "Evaluation of Particulate Matter (PM) Emissions from Combustion of Selected Types of Rapeseed Biofuels." Energies 16, no. 1 (2022): 239. http://dx.doi.org/10.3390/en16010239.

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The manuscript describes the results of an experimental study of the level of PM (particulate matter) emissions arising from the combustion of two selected types of biomass (i.e., rapeseed straw pellets and engine biofuel (biodiesel, FAME)), which were derived from rapeseed. The PM emissions from the combustion of biofuels were compared with those obtained from the combustion of their traditional counterparts (i.e., wood pellets and diesel fuel). Both types of pellets were burned in a 10 kW boiler designed to burn these types of fuels. The engine fuels tested were burned in a John Deere 4045TF

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Ammar, Nader R., and Ahmed I. Farag. "CFD Modeling of Syngas Combustion and Emissions for Marine Gas Turbine Applications." Polish Maritime Research 23, no. 3 (2016): 39–49. http://dx.doi.org/10.1515/pomr-2016-0030.

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Abstract Strong restrictions on emissions from marine power plants will probably be adopted in the near future. One of the measures which can be considered to reduce exhaust gases emissions is the use of alternative fuels. Synthesis gases are considered competitive renewable gaseous fuels which can be used in marine gas turbines for both propulsion and electric power generation on ships. The paper analyses combustion and emission characteristics of syngas fuel in marine gas turbines. Syngas fuel is burned in a gas turbine can combustor. The gas turbine can combustor with swirl is designed to b

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Wade, W. R., C. E. Hunter, F. H. Trinker, and H. A. Cikanek. "Reduction of NOx and Particulate Emissions in the Diesel Combustion Process." Journal of Engineering for Gas Turbines and Power 109, no. 4 (1987): 426–34. http://dx.doi.org/10.1115/1.3240058.

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A model of the combustion and emission formation processes was formulated to identify modifications to combustion process parameters with potential for reducing NOx and particulate emissions in a diesel engine. The model was calibrated using data from an experimental, single-cylinder, direct injection diesel engine. Several combustion system modifications were made to the engine that reduced NOx and particulate emissions. The model was used to estimate the changes in the combustion process parameters responsible for the reductions observed. After calibration, the model was used to evaluate the

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Vermes, G., L. E. Barta, and J. M. Bee´r. "Low NOx Emission From an Ambient Pressure Diffusion Flame Fired Gas Turbine Cycle (APGC)." Journal of Engineering for Gas Turbines and Power 125, no. 1 (2002): 46–50. http://dx.doi.org/10.1115/1.1520160.

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The prospects of reduced NOx emission, improved efficiency, stable, and oscillation-free combustion, and reduced construction costs achieved by an “Inverted Brayton Cycle” applied to midsize (0.5 to 5.0 MWe) power plants are discussed. In this cycle, the combustion products of an atmospheric pressure combustor are expanded in the gas turbine to subatmospheric pressure and following heat extraction are compressed back to slightly above the atmospheric, sufficient to enable a controlled fraction of the exhaust gas to be recirculated to the combustor. Due to the larger volume flow rate of the gas

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Li, Yan, Qingchao Hong, Haili Liu, and Heyun Liu. "The Effect of CaO on the CO and NOx Emission Characteristics of Fast-Growing Grass Combustion." Processes 11, no. 3 (2023): 760. http://dx.doi.org/10.3390/pr11030760.

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Fast-growing grass is a biomass material with characteristics such as high temperature and drought resistance; rapid growth and development; and repeated germination and cutting. Therefore, it is a popular biomass fuel. It is required that the pollutants produced during the biomass combustion process are appropriately controlled. For this purpose, our study analyses the influence of combustion temperature and calcium oxide (CaO) on the nitrogen oxides (NOx) and carbon monoxide (CO) emission characteristics of fast-growing grass combustion using the biomass combustion flue gas analysis and test

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Sharma, N. Y., and S. K. Som. "Influence of fuel volatility on combustion and emission characteristics in a gas turbine combustor at different inlet pressures and swirl conditions." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 216, no. 3 (2002): 257–68. http://dx.doi.org/10.1243/095765002320183577.

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The practical challenges in research in the field of gas turbine combustion mainly centre around a clean emission, a low liner wall temperature and a desirable exit temperature distribution for turboma-chinery applications, along with fuel economy of the combustion process. An attempt has been made in the present paper to develop a computational model based on stochastic separated flow analysis of typical diffusion-controlled spray combustion of liquid fuel in a gas turbine combustor to study the influence of fuel volatility at different combustor pressures and inlet swirls on combustion and e

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Heravi, Hamid, Saeed Hosseini, Fatemeh Bamoharram, and Javad Baharara. "The effect of various vegetable oils on pollutant emissions of biodiesel blends with gasoil in a furnace." Thermal Science 19, no. 6 (2015): 1977–84. http://dx.doi.org/10.2298/tsci140218022h.

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In this paper the effect of various vegetable oils on pollutant emissions of biodiesel blends with gasoil in a furnace is studied experimentally. The exhaust gas temperature and emissions of CO, NOx and SO2 are measured by an R-type thermocouple and TESTO 350-XL gas analyzer respectively. The oil of soybean, sunflower, canola and corn are used in transesterification process of biodiesel. The results show that maximum of temperature, NOx emission and SO2 emission are achieved for the combustion of sunflower methyl ester and corn methyl ester blends with gasoil in contrast with combustion of soy

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Abdul, Hannan, M. Khaled Khan S., and Mashrur Islam Md. "Exhaust Gas Recirculation as a Nobel Technique for NOx Emission Control." Asian Journal of Contemporary Science and Technology 1, no. 1 (2019): 9–12. https://doi.org/10.5281/zenodo.2823109.

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The world civilization is growing very fast and for this reason the utilization of internal combustion engines is increasing day by day. Environmental pollution concern and energy crisis all over the world recently forced the attention to control engines exhaust emissions and energy savings. But this internal combustion engine increases both regulated and unregulated emissions. This study shows the effect of hot EGR (Exhaust Gas Recirculation) and cold on diesel combustion and exhaust emission with neat diesel fuel in a diesel engine. EGR is a well-known process to reduce NOx.  For the EG

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Jiang, Guohe, Yuhao Yuan, Hao Guo, Gang Wu, Jiachen Chen, and Yuanyuan Liu. "Numerical Simulation Study on Combustion Characteristics of a Low-Speed Marine Engine Using Biodiesel." Journal of Marine Science and Engineering 13, no. 4 (2025): 824. https://doi.org/10.3390/jmse13040824.

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The growth of global trade has fueled a booming shipping industry, but high pollutant emissions from low-speed marine diesel engines have become a global concern. In this study, it is hypothesized that the combustion efficiency of biodiesel B10 in low-speed two-stroke diesel engines can be improved and pollutant emissions can be reduced by optimizing the exhaust gas recirculation (EGR) rate and injection time. This study systematically analyzed the effects of EGR rate (5%, 10%, and 20%) and injection time (0 °CA to 6 °CA delay) on combustion and emission characteristics using numerical simulat

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Deng, Xiaowen, Li Xing, Hong Yin, Feng Tian, and Qun Zhang. "Numerical Investigation of Fuel Distribution Effect on Flow and Temperature Field in a Heavy Duty Gas Turbine Combustor." International Journal of Turbo & Jet-Engines 35, no. 1 (2018): 71–80. http://dx.doi.org/10.1515/tjj-2016-0021.

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AbstractMultiple-swirlers structure is commonly adopted for combustion design strategy in heavy duty gas turbine. The multiple-swirlers structure might shorten the flame brush length and reduce emissions. In engineering application, small amount of gas fuel is distributed for non-premixed combustion as a pilot flame while most fuel is supplied to main burner for premixed combustion. The effect of fuel distribution on the flow and temperature field related to the combustor performance is a significant issue. This paper investigates the fuel distribution effect on the combustor performance by ad

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Gopal, Kumar Deshmukh, Rehman Ameenur, and Gupta Rajesh. "Numerical Simulation on Effect of Spray Cone Angle on Emissions in Diesel-Engine using AVL-FIRE." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 4 (2020): 1595–98. https://doi.org/10.35940/ijeat.D8363.049420.

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The in-cylinder flow dramatically affects combustion performance and emission characteristics of a compression ignition engine. The spray cone angle is among the most critical factors affecting mixture formation, combustion and emissions in a direct injection diesel engine. We have used three-dimensional computational investigations on spray cone angle-induced emission pattern of V-type DI engine under AVL-FIRE and ESE simulation interface. Four spray cone angles of 120°, 130°, 140°, and 150° were used for simulation purpose. The findings from the three-dimensional AVL-FIRE sim

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Mandalia, Hiren V. "A Review on an Opportunity to Reduce Exhaust Emission from Diesel Engine Using Exhaust Gas Recirculation." Asian Review of Mechanical Engineering 4, no. 2 (2015): 26–29. http://dx.doi.org/10.51983/arme-2015.4.2.2397.

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Internal combustion engines, plays an important role in the transportation sector and also in individual transport. Also it is a major source of manmade emissions. Presently there are many technologies are developed which are used to reduce the fuel consumption and exhaust emission from a diesel engine. In a CI engine fuel consumptions is reduced to a considerable amount, but the emission of NOx (Nitrogen Oxide) is a critical issue. This paper tries to present a review about the impact of EGR system on the exhaust emission of a CI engine. This is one of the methods which reduce the nitrogen ox

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