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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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Vahid Rezaee, Arash Houshmand
Pág. 98 - 105
This paper presents an energy and exergy analysis of a combined power generation system consists of a Proton Exchange Membrane fuel cell (PEMFC) power station and Kalina cycle system 11 (KCS11) that converts low temperature waste heats into electricity. ...
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Baofeng Yao, Fubin Yang, Hongguang Zhang, Enhua Wang and Kai Yang
A dual loop organic Rankine cycle (DORC) system is designed to recover waste heat from a heavy-duty compressed natural gas engine (CNGE), and the performance of the DORC?CNGE combined system is simulated and discussed. The DORC system includes high-tempe...
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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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Soon-kyu Hwang and Byung-gun Jung
Liquefied natural gas began to attract attention as a ship fuel to reduce environmental pollution and increase energy efficiency. During this period, highly efficient internal combustion engines emerged as the new propulsion system instead of steam turbi...
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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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Adrien Bouskela, Alexandre Kling, Tristan Schuler, Sergey Shkarayev, Himangshu Kalita and Jekan Thangavelautham
We present the preliminary design of sailplanes, used for Mars exploration. The sailplanes mitigate the weight and energy storage limitations traditionally associated with powered flight by instead exploiting atmospheric wind gradients for dynamic soarin...
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Adil Al-Falahi, Falah Alobaid and Bernd Epple
Absorption refrigeration cycle is considered a vital option for thermal cooling processes. Designing new systems is needed to meet the increasing communities? demands of space cooling. This should be given more attention especially with the increasing co...
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Pedro Henrique Presumido, Fernando Sousa, Artur Gonçalves, Tatiane Cristina Dal Bosco and Manuel Feliciano
The beef supply chain has multiple negative impacts on the environment. A method widely used to measure impacts from both the use of resources and the emissions generated by this sector is the life cycle assessment (LCA) (ISO 14040). This study aimed to ...
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Yan Xu, Yilong Yang, He Huang, Gang Chen, Guangxing Li and Huajian Chen
To improve the cushioning performance of soft-landing systems, a novel origami-inspired combined cushion airbag is proposed. The geometry size, initial pressure, and exhaust vent area of the cushion airbags are designed preliminarily using a theoretical ...
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Yuyu Geng, Bin Li, Zhongping Yang, Fei Lin and Hu Sun
In the application of rail transit vehicles, when using typical wireless power transfer (WPT) systems with series?series (SS) compensation supply power for supercapacitors, the output current is in an approximately inverse relationship with the duty cycl...
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Busra Besevli, Erhan Kayabasi, Abdulrazzak Akroot, Wadah Talal, Ali Alfaris, Younus Hamoudi Assaf, Mohammed Y. Nawaf, Mothana Bdaiwi and Jawad Khudhur
In this study, it is proposed to generate electrical energy by recovering the waste heat of an annealing furnace (AF) in an iron and steel plant using combined cycles such as steam Rankine cycle (SRC), organic Rankine cycle (ORC), Kalina cycle (KC) and t...
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Yulin Yang, Xiaohu Liu, Yinglong Chen, Qiang Xu, Qigen Dai, Huanhe Wei, Ke Xu and Hongcheng Zhang
Rice?wheat rotation is a widely adopted multiple-cropping system in the Yangtze River Basin, China. Nitrogen (N) fertilizer is a key factor in regulating crop yield; however, only a few studies have considered the impact of annual N application on the yi...
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Juan Prieto, Dereje S. Ayou and Alberto Coronas
The aim of this study is to analyze the feasibility of the single-effect H2O/LiBr absorption heat pump cycle to produce combined heating and cooling. To achieve this, first, the main changes that the absorption cycle requires are described in comparison ...
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Yixin Huang, Rishi Srivastava, Chloe Ngo, Jerry Gao, Jane Wu and Sen Chiao
Food shortage issues affect more and more of the population globally as a consequence of the climate crisis, wars, and the COVID-19 pandemic. Increasing crop output has become one of the urgent priorities for many countries. To raise the productivity of ...
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Jun-Seong Kim and Do-Yeop Kim
Liquefied natural gas (LNG)-fueled ships have the effect of reducing most pollutants, which is advantageous for responding to strict regulations. Because boil-off gas (BOG) is generated in the LNG storage tank of an LNG-fueled ship, a BOG re-liquefaction...
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Tuo Jia, Tucun Shao, Qian Liu, Pengcheng Yang, Zhinuo Li and Heng Zhang
As countries attach great importance to the ocean-going navigation capability of ships, the energy consumption of shipborne equipment has attracted much attention. Although energy consumption analysis is a guiding method to improve energy efficiency, it ...
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Phan Anh Duong, Borim Ryu, Jinwon Jung and Hokeun Kang
A novel integrated system based on solid oxide fuel cells (SOFCs), a gas turbine (GT), the steam Rankine cycle (SRC), the Kalina cycle (KC), and the organic Rankine cycle (ORC) is proposed to achieve cascade energy utilization. Mathematical models are in...
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Michael Adedeji, Muhammad Abid, Humphrey Adun, Ayomide Titus Ogungbemi, David Alao and Juliana Hj Zaini
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 exergoenv...
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Nguyen Dinh Giang Nam, Nguyen Thanh Giao, Minh N. Nguyen, Nigel K. Downes, Nguyen Vo Chau Ngan, Le Hoang Hai Anh and Nguyen Hieu Trung
An assessment of varying density, species composition and dynamics of phytoplankton in a combined rice-shrimp culture was carried out in My Xuyen district, Soc Trang province in the Vietnamese Mekong delta. Water was sampled six times at six separate loc...
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