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Juan Carlos Martínez-Munuera, Javier A. Giménez-Mañogil, Roberto Matarrese, Lidia Castoldi and Avelina García-García
Ceria-based catalysts, with Cu in substitution of noble metals, were studied in a vertical microreactor system under isothermal conditions, where NOx was previously stored, followed by the reduction step conducted under H2. The possible remaining ad-NOx ...
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Masayuki Taniguchi, Yuki Kamikawa, Tsuyoshi Shibata, Kenji Yamamoto and Hironobu Kobayashi
We previously proposed the gas phase stoichiometric ratio (SRgas) as an index to evaluate NOx concentration in fuel-rich flames. The SRgas index was defined as the amount of fuel required for stoichiometric combustio...
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Gyeong-Min Kim, Jong-Won Jeong, Jae-Seong Jeong, Dong-Yeop Kim, Seung-Mo Kim and Chung-Hwan Jeon
The use of fossil fuels has drastically increased throughout the world as the demand for energy increases. Accordingly, it has become critical that we reduce the oxides of nitrogen (NOx) and oxides of sulfur pollutants. Therefore, studies related to thes...
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J. SANDOVAL F.,O. MARROQUIN DE LA R.,J. L. JAIMES L.,V. A. ZÚÑIGA L.,E. GONZÁLEZ O.,F. GUZMÁN LÓPEZ-FIGUEROA
Outdoor smog chambers experiments were performed on air to determine the answer of maximum ozone levels to changes in the initial hydrocarbons, HC, and nitrogen oxide NOx. These captive-air experiments under natural irradiation were carried out. Typic...
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Katerina Maneva Mitrovikj,Frani?ek Skácel
Pág. 213 - 223
Road transportation activities are major contributors of nitrogen oxides emissions to the air. The impact on the growth of NOx emission levels is found to be strongly correlated with the traffic intensities on highways. Various types of emission models p...
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Yan Lei, Chenxi Liu, Dongdong Guo, Jianglong Yang, Tao Qiu and Guangyu Peng
In China, where in-use heavy-duty diesel vehicles producing NOx and particulate emissions for air pollution are required to undergo emission spot inspection at check stations, it is significant to adopt a simple method to evaluate emissions due to traffi...
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Marcel Roy Domalanta
Pág. 5
Pollutants in the air are an ever-present global phenomenon and managing these is a more strenuous task. In expense to higher fuel efficiency in automotive applications, emissions of nitrogen oxides (NOx) are a mounting concern as more demanding emission...
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Rudolph John Barcellano
Pág. 47 - 48
Pollutants in the air are an ever-present global phenomenon and managing these is a more strenuous task. In expense to higher fuel efficiency in automotive applications, emissions of nitrogen oxides (NOx) are a mounting concern as more demanding emission...
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Aleksandra Banasiewicz, Forougholsadat Moosavi, Michalina Kotyla, Pawel Sliwinski, Pavlo Krot, Jacek Wodecki and Radoslaw Zimroz
An approach based on an artificial neural network (ANN) for the prediction of NOx emissions from underground load?haul?dumping (LHD) vehicles powered by diesel engines is proposed. A Feed-Forward Neural Network, the Multi-Layer Perceptron (MLP), is used ...
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Essossinam Beguedou, Satyanarayana Narra, Komi Agboka, Damgou Mani Kongnine and Ekua Afrakoma Armoo
The process of making cement clinker uses a lot of energy and produces a lot of pollution. Currently, cement companies use a combination of traditional fossil fuels and alternative fuels (AF-Fuels) to lower their energy consumption and environmental foot...
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Federico Ricci, Luca Petrucci and Francesco Mariani
Currently, machine learning (ML) technologies are widely employed in the automotive field for determining physical quantities thanks to their ability to ensure lower computational costs and faster operations than traditional methods. Within this context,...
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Carlos Gervasio Rodríguez, María Isabel Lamas, Juan de Dios Rodríguez and Amr Abbas
Nowadays, the environmental impact of shipping constitutes an important challenge. In order to achieve climate neutrality as soon as possible, an important priority consists of progressing on the decarbonization of marine fuels. Free-carbon fuels, used a...
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Peng Li and Lin Lü
The manufacturers of China VI heavy-duty vehicles were required to conduct in-service conformity (ISC) tests by using a portable emissions measurement system (PEMS). The moving averaging window (MAW) method was used to evaluate the NOx emission required ...
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María Isabel Lamas Galdo, Laura Castro-Santos and Carlos G. Rodriguez Vidal
This work analyzes NOx reduction in a marine diesel engine using ammonia injection directly into the cylinder and compares this procedure with water injection. A numerical model based on the so-called inert species method was applied. It was verified tha...
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Yafei Zhang, Rui Luo, Yihua Dou and Qulan Zhou
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A. GALLEGO,A. HOSPIDO,M. T. MOREIRA,G. FEIJOO
This study is the second part of a series where NH3 and NOx emission inventories for Galicia (NW Spain), a region with a great risk of eutrophication, have been developed. The principal sources of NOx emissions in Galicia and their associated uncertaint...
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Vladimir Pelic, Tomislav Mrakovcic, Radoslav Radonja and Marko Valcic
The medium-speed diesel engine in diesel-electric propulsion systems is increasingly used as the propulsion engine for liquefied natural gas (LNG) ships and passenger ships. The main advantage of such systems is high reliability, better maneuverability, ...
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Janusz Lasek, Krzysztof Glód, Agata Czardybon, Yueh-Heng Li and Chao-Wei Huang
The application of fatty acids distillation products as fuel allows the substitution of heavy fuel oil and decreases the use of fossil fuels. As a result, it reduces CO2 emissions, and is a way to obtain sustainable energy transition.
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Kai Deng, Mingxiao Wang, Zhongliang Shen, Yanjun Hu and Yingjie Zhong
The results of the research can be used in the design of low NOx pulsating burners to determine the corresponding frequency and amplitude.
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