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Abdulaziz M. T. Alzayedi, Suresh Sampath and Pericles Pilidis
Restrictions on emissions are being imposed by regional and international shipping organisations, which raise the question of which marine fuel and technology can most effectively replace heavy fuel oil and diesel engines. The aim of this study is to fin...
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Antti Alahäivälä, Juha Kiviluoma, Jyrki Leino and Matti Lehtonen
Power systems require a certain amount of flexibility to meet varying demand and to be able to cope with unexpected events, and this requirement is expected to increase with the emergence of variable power generation. In this paper, we focus on gas engin...
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S. Hamed Fatemi Alavi, Amirreza Javaherian, S. M. S. Mahmoudi, Saeed Soltani and Marc A. Rosen
Gas turbine power plants have important roles in the global power generation market. This paper, for the first time, thermodynamically examines the impact of steam injection for a combined cycle, including a gas turbine cycle with a two-stage turbine and...
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Ali Baghernejad and Amjad Anvari-Moghaddam
Combined cycle systems have an important role in power generation. In the present study, three different configurations of combined Brayton and Rankine cycle system are studied from the perspective of energy, exergy, exergoeconomic and environmental pers...
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Panagiotis Stathopoulos and Javier Fernàndez-Villa
Thermoelectric generators (TEGs) offer an attractive power generation option. They have no moving parts, are robust and emit no pollutants. The current work explores the integration of high temperature TEGs in gas turbine combustors. The latter have a th...
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Saeed Bahrami, Ali Ghaffari and Marcus Thern
Single-shaft gas turbines are sensitive to frequency changes which might affect the grid stability during large frequency drops. This paper presents a new control system that uses steam injection as an auxiliary input to improve the transient performance...
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Saeed Bahrami, Ali Ghaffari and Marcus Thern
Single-shaft gas turbines are sensitive to frequency changes which might affect the grid stability during large frequency drops. This paper presents a new control system that uses steam injection as an auxiliary input to improve the transient performance...
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Abdulaziz M. T. Alzayedi, Amit Batra, Suresh Sampath and Pericles Pilidis
The stringent regulations set by the International Maritime Organization on pollutant emissions combined with the rise in fuel prices have stimulated research on cleaner fuels and new propulsion systems. This study describes a new method for evaluating a...
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Andrey Rogalev, Nikolay Rogalev, Vladimir Kindra, Ivan Komarov and Olga Zlyvko
Today, the use of combined cycle gas turbine (CCGT) plants allows the most efficient conversion of the chemical heat of fossil fuels for generating electric power. In turn, the combined cycle efficiency is largely dependent on the working flow temperatur...
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Vladimir Kindra, Nikolay Rogalev, Sergey Osipov, Olga Zlyvko and Vladimir Naumov
The most effective and environmentally safe fossil fuel power production facilities are the combined cycle gas turbine (CCGT) ones. Electric efficiency of advanced facilities is up to 58% in Russia and up to 64% abroad. The further improvement of thermal...
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Wahyu Nirbito, Muhammad Arif Budiyanto and Robby Muliadi
This study explains the performance analysis of a propulsion system engine of an LNG tanker using a combined cycle whose components are gas turbine, steam turbine, and heat recovery steam generator. The researches are to determine the total resistance of...
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Vladimir Kindra, Igor Maksimov, Ivan Komarov, Cheng Xu and Tuantuan Xin
Natural gas-fired combined cycle plants are nowadays one of the most efficient and environmentally friendly energy complexes. High energy efficiency and low specific emissions are achieved primarily due to the high average integral temperature of heat su...
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Satriya Sulistiyo Aji, Young Sang Kim, Kook Young Ahn and Young Duk Lee
The life-cycle cost reduction of medium-class gas turbine power plants was investigated using the mathematical optimization technique. Three different types of gas turbine power cycles?a simple cycle, a regenerative cycle, and a combined cycle?were exami...
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Wahiba Yaïci, Evgueniy Entchev and Michela Longo
To restrict global warming and relieve climate change, the world economy requires to decarbonize and reduce carbon dioxide (CO2) emissions to net-zero by mid-century. Carbon capture and storage (CCS), and carbon capture and utilization (CCU), by which CO...
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S. M. Alizadeh, Arezoo Ghazanfari, M. A. Ehyaei, Abolfazal Ahmadi, D. H. Jamali, Navid Nedaei and Afshin Davarpanah
Due to the high amount of natural gas resources in Iran, the gas cycle as one of the main important power production system is used to produce electricity. The gas cycle has some disadvantages such as power consumption of air compressors, which is a majo...
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Valentin Morenov, Ekaterina Leusheva, George Buslaev and Ove T. Gudmestad
This paper considers the issue of associated petroleum gas utilization during hydrocarbon production in remote petroleum fields. Due to the depletion of conventional oil and gas deposits around the globe, production shifts to hard-to-recover resources, s...
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Ivan Komarov, Nikolay Rogalev, Sergey Osipov, Olga Zlyvko and Daria Kharlamova
Within the framework of this study, a brief review of the gasification technology was carried out, the best types of blowing agents and gasification methods used in terms of efficiency and environmental safety were identified, and a mathematical model of...
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Andrey Rogalev, Nikolay Rogalev, Vladimir Kindra, Ivan Komarov and Olga Zlyvko
The transition to oxy-fuel combustion power cycles is a prospective way to decrease carbon dioxide emissions into the atmosphere from the energy sector. To identify which technology has the highest efficiency and the lowest emission level, a thermodynami...
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Milana Treshcheva, Irina Anikina, Vitaly Sergeev, Sergey Skulkin and Dmitry Treshchev
The percentage of heat pumps used in thermal power plants (TPPs) in the fuel and energy balance is extremely low in in most countries. One of the reasons for this is the lack of a systematic approach to selecting and justifying the circuit solutions and ...
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Mohammed N. Khan, Schalk Cloete and Shahriar Amini
Chemical looping combustion (CLC) technology generates power while capturing CO2 inherently with no direct energy penalty. However, previous studies have shown significant energy penalties due to low turbine inlet temperature (TIT) relative to a standard...
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