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Regina Pouzolz, Oliver Schmitz and Hermann Klingels
Aviation faces increasing pressure not only to reduce fuel burn, and; therefore, CO2 emissions, but also to provide technical solutions for an overall climate impact minimization. To combine both, a concept for the enhancement of an aircraft engine by st...
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Rusdi Sambada,Sudjito Soeparman,Widya Wijayanti,Eko Siswanto
Pág. 42 - 54
Increasing the temperature of inlet water is one way to increase solar distillation efficiency. Heat recovery using double glazing is a more straightforward way to raise the temperature of inlet water. In previous studies, the incoming water temperature ...
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José L. Pérez-Díaz, Ognyan Ivanov, Zahary Peshev, Marco A. Álvarez-Valenzuela, Ignacio Valiente-Blanco, Tsvetina Evgenieva, Tanja Dreischuh, Orlin Gueorguiev, Peter V. Todorov and Ashok Vaseashta
This work presents a selective overview of natural fogs in terms of fog types, forms and states of occurrence, physical, micro-physical, chemical and dynamic properties, basic characterizing parameters, etc. In focus are related achievements and contribu...
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Xiaotao Huang, Geping Luo, Xinxin Wang
Pág. 1 - 14
Arid grassland ecosystems are widely distributed across Central Asia. However, there is a lack of research and observations of the land?atmosphere exchange of water and heat in the arid grasslands in this region, particularly over complex surfaces. In th...
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Xixi Wang
Evaporation from bare sandy soils is the core component of the hydrologic cycle in arid environments, where vertical water movement dominates. Although extensive measurement and modeling studies have been conducted and reported in existing literature, th...
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Nikolaus H. Buenning, Lowell Stott, Lisa Kanner and Kei Yoshimura
Many climate proxies in geological archives are dependent on the isotopic content of precipitation (d18Op), which over sub-annual timescales has been linked to temperature, condensation height, atmospheric circulation, and post-condensation exchanges in ...
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Abdelaziz Nasr and Abdulmajeed S. Al-Ghamdi
Liquid nanofilm is used in industrial applications, such as heat exchangers, water desalination systems, heat pumps, distillation systems, cooling systems, and complex engineering systems. The present work focuses on the numerical investigation of the co...
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Khaled Yousef, Ahmed Hegazy and Abraham Engeda
An experimental and numerical study is presented in the current work for gas entrainment using an inverted vertical U-tube. Water flows vertically up in an inverted U-tube which creates a low-pressure region in the tube upper portion. This low-pressure r...
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Santiago Bonachela, María Rosa Granados, Joaquín Hernández, Juan Carlos López and Juan José Magán
Greenhouse microclimate and crop response of winter cucumber cycles grown in unheated Mediterranean greenhouses with representative combinations of passive heating systems (fixed, plastic screen with and without black mulch; movable thermal screen with b...
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Arne Seitz, Markus Nickl, Florian Troeltsch and Kathrin Ebner
A fuel cell?gas turbine hybrid propulsion concept is introduced and initially assessed. The concept uses the water mass flow produced by a hydrogen fuel cell in order to improve the efficiency and power output of the gas turbine engine through burner ste...
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In order to meet the twin challenges of energy shortage and water scarcity in eastern Africa, this paper looks at the feasibilities of using a geothermal water source to produce both fresh water and electricity. In this research, three geothermally sourc...
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Alexis Caron-Rousseau, Pierre Blanchet and Louis Gosselin
While externally insulated wall assemblies are widely recognized for their hygrothermal performance, few research projects have focused on the impact of shifting the entire wall insulation to the exterior side of a structural cavity in cold or subarctic ...
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Lubomír Sokola, Nikol ?i?ková, Vítezslav Novák and Ale? Jakubík
Phase change materials (PCMs) are materials with the ability of absorption of latent heat based on a phase change. PCMs are able to store and release a large amount of energy at certain temperatures melting or freezing. The aim of the research is to veri...
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Yunhua He, Yuling Yang, Xinliang Guo and Huanhuan Xia
Pollution flashover accidents pose a great threat to the safe and stable operation of a power system, and superhydrophobic materials have broad application prospects in the field of pollution flashover prevention of the external insulation of transmissio...
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Daniel Woldemariam, Andrew Martin and Massimo Santarelli
Exergy analyses are essential tools for the performance evaluation of water desalination and other separation systems, including those featuring membrane distillation (MD). One of the challenges in the commercialization of MD technologies is its substant...
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Cláudio Vinicius Barbosa Monteiro, Aderson Roberto Righetto, Leonardo César de Souza, Paulo Roberto Paraíso, Luiz Mario de Matos Jorge
Pág. 153 - 157
The warming of a bottle of beer during a Friday evening happy hour directly involves transport phenomena, such as mass transfer due to condensation of air humidity on the bottle surface and heat transfer from the ambient to the bottle, which occurs by fr...
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Liming Zhu, Tailei Chen, Lingkun Chen, Zhichao Lu, Xiaolun Hu and Xiaoming Huang
Background: Tied-arch bridges? hangers are crucial load-bearing parts, and their excellent condition directly influences bridge safety. However, assessing in-service hangers? continuing functional performance is irrelevant and incomplete, particularly fo...
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Qian Li, Xiaojun Liu, Zhen Lu, Wenjun Yang, Zili Lei and Ming Chang
In this study, covalent conjugation of thrombolytic drug urokinase to water-soluble magnetic nanoparticles (NPs) is proposed to enhance the efficiency of thrombolysis. Hydrophobic NPs of oleic acid (OA)-coated Fe3O4 are first synthesized and then surface...
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Ao Li, Anthony Chun Yin Yuen, Timothy Bo Yuan Chen, Cheng Wang, Hengrui Liu, Ruifeng Cao, Wei Yang, Guan Heng Yeoh and Victoria Timchenko
The steam ejector is a core component of an ejector-based refrigeration system. Additionally, steam ejectors can also be potentially applied for a fire suppression system by using pressurized steam droplets to rapidly quench and extinguish the fire. The ...
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