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Youngkyun Seo, Jung-Yeul Jung, Seongjong Han and Kwangu Kang
This study estimated availability of an air compression system and a nitrogen generation system in liquefied natural gas?floating production storage and offloading unit (LNG-FPSO) with different design stages to investigate the gap between the availabili...
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Fadi Alsouda, Nick S. Bennett, Suvash C. Saha, Fatemeh Salehi and Mohammad S. Islam
Air conditioning and refrigeration have become necessary in modern life, accounting for more than 7.8% of greenhouse gases (GHG) emitted globally. Reducing the environmental impact of these systems is crucial for meeting the global GHG emission targets. ...
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Kyong-Hyon Kim and Kyeong-Ju Kong
Devices for reducing environmental pollutant emissions are being installed in ship compression ignition (CI) engines; alternatively, the designs of intake and exhaust pipes and ports are being modified to tune the performance according to the user?s need...
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Alireza Kakoee, Jacek Hunicz and Maciej Mikulski
This paper presents a comprehensive investigation into the design of a methane oxidation catalyst aftertreatment system specifically tailored for the Wärtsilä W31DF natural gas engine which has been converted to a reactivity-controlled compression igniti...
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Ri Wang, Sujun Dong, Hongsheng Jiang, Peiru Li and Hainan Zhang
The integrated thermal management system of aircraft is essential to maintain a suitable environment for the cabin crew and devices. The system is composed of the air-cycle refrigeration subsystem, the vapor-compression refrigeration subsystem, the liqui...
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S. Tangwe, K. Kusakana
Air source heat pump (ASHP) water heaters are efficient devices for sanitary hot water heating. The coefficient of performance (COP) of the air to water heat pump (AWHP) is constantly lower than that of the corresponding ASHP unit. The study focused on d...
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Yarelis Valdivia Nodal,Mario Álvarez Guerra,Julio Gómez Sarduy,Luc Hens,Carlo Vandecasteele name
Pág. 234 - 244
In tropical countries Heating, Ventilation and Air Conditioning (HVAC) systems are commonly used in tourism facilities to maintain comfort, but with considerable electricity consumption. Much attention had been paid to improving efficiency and saving ene...
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Irina Boshkova,Alexandr Titlov,Natalya Volgusheva,Natalia Kolesnychenko,Tetiana Sagala
Pág. 65 - 70
The paper considers the issue on ensuring a thermal regime of the magnetron's anode unit by replacing an air-cooling system with the system of liquid cooling. It has been argued that a liquid cooling system is most suitable for magnetrons, for which curr...
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Yamile Díaz Torres,José Pedro Monteagudo Yanes,Debrayan Bravo Hidalgo
Pág. 38 - 49
El artículo presenta los resultados del análisis energético de un sistema híbrido de climatización en los hoteles cubanos. Se efectuó el cálculo de una instalación de climatización por absorción asistido con energía solar, interconectada en serie con un ...
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Gutenberg da Silva Pereira, Ana Rosa Primo, Alvaro Antonio Ochoa Villa
Pág. 339 - 346
This paper sets out to compare two different cooling systems that use vapor compression chillers for air conditioning environments. It was proposed to compare different operations in isolated and combined action operations. These operations are evaluated...
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Francesco Buffa, Simon Kemble, Giampaolo Manfrida and Adriano Milazzo
Compressed Air Energy Storage is recognized as a promising technology for applying energy storage to grids which are more and more challenged by the increasing contribution of renewable such as solar or wind energy. The paper proposes a medium-size groun...
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Zakariya Kaneesamkandi and Abdul Sayeed
The scientific aim of this work is to encourage energy conservation. This article offers a fresh perspective on renewable energy in the air conditioning sector, the country?s economic growth, and environment-friendly techniques to overcome global warming...
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Joseph Moubogha Moubogha, Gabriel Margalida, Pierric Joseph, Olivier Roussette and Antoine Dazin
Stall and surge are strong limitations in the operating range of compressors and thus one of the major limits of jet engine performance. A promising way to push the stability limit of compression machines is to inject a small amount of flow at the blade ...
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Alla Selivanova,Tatyana Mazurok,Artem Selivanov
Pág. 60 - 71
We have studied patterns in the decision-making process related to the managerial influence on the part of the operator of a refrigerating unit as a multifactor energy system with internal and external disturbances.An object such as a refrigeration unit ...
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Scott Elliott, Susannah Burrows, Philip Cameron-Smith, Forrest Hoffman, Elizabeth Hunke, Nicole Jeffery, Yina Liu, Mathew Maltrud, Zachary Menzo, Oluwaseun Ogunro, Luke Van Roekel, Shanlin Wang, Michael Brunke, Meibing Jin, Robert Letscher, Nicholas Meskhidze, Lynn Russell, Isla Simpson, Dale Stokes and Oliver Wingenter
We apply principles of Gibbs phase plane chemistry across the entire ocean-atmosphere interface to investigate aerosol generation and geophysical transfer issues. Marine surface tension differences comprise a tangential pressure field controlling trace g...
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Yamile Díaz Torres,Yarelis Valdivia Nodal,José Pedro Monteagudo Yanes,Yudit Miranda Torres
Pág. 35 - 44
The article presents an analysis of technical and economic feasibility of using two configurations of solar cooling in a Cuban hotel. HVAC hybrid schemes are: a cooler of ice water vapor compression (chiller) interconnected in parallel with a smaller cap...
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Kyeong-Ju Kong
Emission control devices such as selective catalytic reduction (SCR), exhaust gas recirculation (EGR), and scrubbers were installed in the compression ignition (CI) engine, and flow analysis of intake air and exhaust gas was required to predict the perfo...
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Liat Rozenberg, Sagi Lotan and Dan Feldman
Whether the source is autonomous car, robotic vacuum cleaner, or a quadcopter, signals from sensors tend to have some hidden patterns that repeat themselves. For example, typical GPS traces from a smartphone contain periodic trajectories such as ?home, w...
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Stephen Loh Tangwe, Michael Simon, Russel Mhundwa
Renewable energy technologies that can provide optimum and cost-effective energy savings to mitigate global warming, energy crisis and to achieve energy efficiency continue to be of paramount importance. The present study focused on identifying critical ...
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