Searched for: subject%3A%22air%255C+conditioning%22
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van Lierde, Simon (author)
Despite The Hague's historically mild climate, it is experiencing rising temperatures and more frequent heatwaves, resulting in a growing demand for space cooling. However, there is a significant gap in research and sustainable policies to address this demand in an environmentally and socially responsible manner. While studies have examined the...
master thesis 2024
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van den Engel, P.J.W. (author), Malin, Michael (author), Venkatesh, Nikhilesh Kodur (author), de Araujo Passos, L.A. (author)
This research evaluates the performance of a Phase Change Material (PCM) battery integrated into the climate system of a new transparent meeting center. The main research questions are: a. “Can the performance of the battery be calculated?” and b. “Can the battery reduce the heating and cooling energy demand in a significant way?” The first...
journal article 2023
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de Araujo Passos, L.A. (author), Ceha, T.J. (author), Baldi, S. (author), De Schutter, B.H.K. (author)
Controlling the operation of HVAC (Heating, Ventilation, and Air-Conditioning) systems is arguably the most effective way to reach desired indoor conditions in buildings. Nevertheless, such control may involve complex dynamics when dealing with passive energy technologies. In this paper, we focus on maximizing the passive operation of HVAC in...
journal article 2023
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Hu, Jie (author), Liu, Zhengxuan (author), Ma, Guochuan (author), Zhang, Guoqiang (author), Ai, Zhengtao (author)
Past studies reveal that air infiltration through the building envelope and its impact on the indoor environment and energy consumption are significantly influenced by climate characteristics. However, little relevant information is available for buildings in southern China, where the building design traditionally follows a philosophy of...
journal article 2023
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Puji Nata Djaja, Puji (author)
Earth, Wind, and Fire (EWF) is a natural ventilation system developed by Dr Ben Bronsema for office buildings in the Western European climate. Powered by nature: ground temperature & gravity for cooling, wind for energy generation & ventilation, and sun for the heat and natural draft, this system claims not only to use little energy but...
master thesis 2021
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Jagirdar, Mrinal (author), Lee, Poh Seng (author), Padding, J.T. (author)
Internally cooled and heated desiccant-coated heat and mass exchangers (ICHDHMX) driven by low-grade heat are very attractive owing to their energy-saving potential, especially for applications where substantial moisture removal (such as air-conditioning) is a necessity. In this paper, we derive equations for the performance of an ideal...
journal article 2021
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Roelofsen, C.P.G. (author), Jansen, K.M.B. (author), Vink, P. (author)
For sedentary activities, the PMV equation, derived by Fanger, is mainly based on the research of Nevins et al. (720 test subjects). Nevins' experiments were later on repeated by Fanger, but with 128 college-age Danish subjects and 128 elderly Danish subjects, instead of American subjects. Rohles did the research from Nevins et al. again, but...
journal article 2021
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Drommel, Sven (author)
The demand of energy increases steadily due to the growing global population and the increasing living standard of emerging markets. The increasing energy demand and reduction of greenhouse gasses require a significant increase of renewable energy sources and energy efficiency of buildings. Also, the increasing degree of renewable energy sources...
master thesis 2018
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Swaminathan, Siva (author), Wang, X. (author), Zhou, Bingyu (author), Baldi, S. (author)
Heating, ventilation and air-conditioning (HVAC) units in buildings form a system-of-subsystems entity that must be accurately integrated and controlled by the building automation system to ensure the occupants' comfort with reduced energy consumption. As control of HVACs involves a standardized hierarchy of high-level set-point control and...
journal article 2018
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Pronk, Linard (author)
At the moment, the worldwide demand for air conditioning is rapidly growing, and it is expected to exceed the demand for space heating by the 2060s. However, traditional refrigerants such as CFCs and HCFCs are regulated or phased out by the Montreal and Kyoto protocol. Secondary loop refrigerant systems use less of these harmful refrigerants...
master thesis 2017
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Zhou, H. (author)
The research presented in this thesis focuses on the use of hydrate slurries in the air conditioning and refrigeration areas. Both experimental and mathematical methods have been used. Hydrate slurries have been suggested as promising cold storage materials that can be used in air conditioning systems due to their high latent heat (193 kJ/kg and...
doctoral thesis 2017
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Van Leeuwen, M.T. (author)
The design process that created a vision on the brand and the products associated with the technology of an absorption cooler developed by company Purix.
master thesis 2014
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Van Middendorp, M. (author)
Purix is a Danish start-up company with a production facility in Bari. Their product is a 2,5kW absorption chiller system for small businesses and consumers. The market area will be Italy in the first place with extension to other southern European markets. The high temparatures and solar irradiation make Southern Eu- rope a very suitable market...
master thesis 2014
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Hosseini, L. (author)
Air conditioning is one of the major consumers of electrical energy in many parts of the world. The demand can be expected to increase because of the changing working times, increased comfort expectations and global warming. With more air conditioning units, the electricity demand has been rising thereby increasing the use of fossil fuels and...
master thesis 2011
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Esfandiari Nia, F. (author)
A considerable fraction of today's energy consumption is due to air-conditioning of buildings, involving both heating and cooling. Energy cost and environmental concerns force designers to find sustainable solutions. Desiccant cooling as a sustainable technology is attractive to be investigated for making different design tools. The main subject...
doctoral thesis 2011
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Vimmr, J. (author), Novak, J. (author)
This paper deals with application of CFD methods contained in professional software package Fluent on a numerical solution of engineering practice problem which consists in numerical simulations of a cool air flow inside the first part of 06T-Cagliari tram passenger space. The air-conditioner exhausts a cool air into the internal passenger space...
conference paper 2006
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Khoury, E. (author)
report 2006
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Peng, X. (author)
doctoral thesis 1996
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Niu, J. (author)
doctoral thesis 1994
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Donker, J.C. (author), Piers, M.A. (author)
Under contract with the Netherlands Agency for Aerospace Programs (NIVR), the National Aerospace Laboratory NLR has investigated the feasibility of knowledge-based systems to assists ground crews in corrective maintenance of complex aircraft systems. For this feasibility study, the Fokker airconditioning system was chosen as a representative...
report 1992
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