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Artur Zaporozhets
Pág. 241 - 248
The method of fuel quality control is considered, which is based on the using of the oxygen sensor (without sensors of incomplete fuel combustion products). An algorithm for the electric drive of a fan is proposed, which is based on a step changing in th...
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Muhammad Sohaib and Jong-Myon Kim
Boiler heat exchange in thermal power plants involves tubes to transfer heat from the fuel to the water. Boiler tube leakage can cause outages and huge power generation loss. Therefore, early detection of leaks in boiler tubes is necessary to avoid such ...
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Nebojsa Dedovic, Sasa Igic, Todor Janic, Snezana Matic-Kekic, Ondrej Ponjican, Milan Tomic and Lazar Savin
This study reviews test results for a biomass-fired hot water boiler with a nominal boiler thermal power of 120 kW. In the experiments, prismatic wheat straw bales were used as biomass. The impact of the quantity (220, 290, 360 and 430 m3 h
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Chang-Min Lee, Byung-Gun Jung and Jae-Hyuk Choi
The International Maritime Organization strives to improve the atmospheric environment in oceans and ports by regulating ship emissions of air pollutants and promoting energy efficiency. This study deals with the prediction of eco-friendly combustion in ...
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Shiquan Zhao, Sizhe Wang, Ricardo Cajo, Weijie Ren and Bing Li
The marine boiler-turbine system is the core part for the steam-powered ships with complicated dynamics. To improve the power tracking performance and fulfill the requirement of high utilization rate of fossil energy, the control performance of the syste...
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Valentin Kislovsky and Alexey Melnikov
Calculation and experimental investigations were carried out to determine the parameters of the impulse air jet created by the pneumatic generator of the air-impact system of the cleaning of tubular heat exchangers in boilers. Two configurations (lengthw...
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Valery Zvegintsev
The slagging of heating surfaces by fly ash significantly complicates the long term operation of solid-fuel boilers. Gas pulse technologies offer a potentially convenient, inexpensive, yet efficient way for online slag deposits removal. The creation and ...
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Ahmed S. Aljohani, Khaled I. Ahmed, Saeed Asiri and Mohamed H. Ahmed
Water wall tube temperature is a major parameter in the steam generator design which has a significant role in keeping the steam generator available. Thus, knowing the tube average temperature in different operating conditions is very important to avoid ...
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Dawei Huang, Hongting Ma, Shuo Ma, Mo Chen, Chang Xu, Yongyichuan Zhang and Cong Yan
The solar-assisted electric boiler water heating systems adopted in student apartments at universities have some shortcomings, such as unsuitable system designs, unstable water supply temperature, and excessive power consumption. As discussed in this pap...
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Marian Pafcuga, Michal Holubcik, Peter Durcansky, Andrej Kapjor and Milan Malcho
Wheat straw, as a secondary waste agricultural product, presents a potential renewable source of energy. It is necessary to design simple heat sources to achieve better usage. As part of an analysis of heat sources, a tubular type of heat exchanger was r...
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Tae-Ho Lee, Sang-Hyun Lee and Jee-Keun Lee
In this study, emulsified fuels were prepared and produced by blending 0%, 5%, 15%, and 25% water with Bunker C oil to reduce the amount of air pollution emitted by ships and replace oil resources, and they were applied to an actual marine boiler to anal...
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Aarthi Thyagarajan, Wouter Hamer, Joy Phophichitra, Valliappan Valliappan, Abitha Ramesh, Prathamesh Shenai and Nicholas Laycock
The conventional corrosion management process consists of defining the expected process conditions, identifying potential corrosion threats, and estimating their likely rate, then using that information to develop mitigation plans and inspection schedule...
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Bach Phi Duong, Jaeyoung Kim, Cheol-Hong Kim and Jong-Myon Kim
Advances in technology have enhanced the ability to detect leakages in boiler tube components in thermal power plants. As a specific issue, the interaction between the coal fuel stream and the boiler tube membrane generates random and high-amplitude impu...
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Minh Dat Nguyen, Jung Won Bang, Young Hee Kim, An Su Bin, Kyu Hong Hwang, Vuong-Hung Pham and Woo-Teck Kwon
Boilers are systems used mainly to generate steam in industries and waste-to-energy facilities. During operation, heat transfer loss occurs because a fouling layer with low thermal conductivity is deposited on the external surfaces of the boiler tube sys...
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Luciano De Tommasi, Hassan Ridouane, Georgios Giannakis, Kyriakos Katsigarakis, Georgios N Lilis and Dimitrios Rovas
This paper presents work undertaken as part of the European H2020 project OptEEmAL (Optimized Energy Efficient Design Platform for Refurbishment at District Level), toward development of a decision-support platform for building and district refurbishment...
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Navid Abdollahi, Ramin Haghighi-Khoshkhoo
Pág. 65 - 73
The evaluation of heat transfer and fluid mechanics mechanisms to increase the thermal efficiency and combustion quality in heavy industries, such as power plants, are important and significant issues in the field of engineering sciences, which can lead ...
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Yue Zhang, Yuhan Men and Pu Han
Under the conditions of high demand for energy saving and environmental protection, the thermal power unit is required to phase out the traditional extensive operation mode?a method of oxygen-enriched combustion in a furnace, considering safety first. Ac...
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Jan Valícek, Zuzana Palková, Marta Harnicárová, Milena Ku?nerová and Ondrej Lukác
The purpose of this study was to determine a method for multi-parametric output regulation of a gasification boiler especially designed for heating or for hot water heating in buildings. A new method of regulation is offered, namely more parametric regul...
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Chia-Nan Wang, Min-Tsong Chou, Hsien-Pin Hsu, Jing-Wein Wang and Sridhar Selvaraj
Electricity is an essential energy that can benefit our daily lives. There are many sources available for electricity generation, such as coal, natural gas and nuclear. Among these sources, coal has been widely used in thermal power plants that account f...
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Maria Oksa, Jarkko Metsäjoki and Janne Kärki
Large-scale use of biomass and recycled fuel is increasing in energy production due to climate and energy targets. A 40% cut in greenhouse gas emission compared to 1990 levels and at least a 27% share of renewable energy consumption are set in EU Energy ...
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