Infrared Radiative Cooling And Its Applications
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Infrared Radiative Cooling And Its Applications
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Author : Zhiyu Hu
language : en
Publisher: Springer Nature
Release Date : 2022-11-15
Infrared Radiative Cooling And Its Applications written by Zhiyu Hu and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-15 with Technology & Engineering categories.
This book systematically introduces the physical basis and theory of infrared radiation and the application of radiative cooling. It covers the geographical release of infrared radiation, infrared radiation material system, and preparation technology, infrared radiative cooling measurement and applications, the micro–nano-processing technology, the latest technology of radiative cooling and passive power generation, and the design of future application scenarios. The main content includes the current world energy application status and the development, research, and application status of radiative cooling technology, as well as the principle of radiative cooling technology, the research and application of different radiative cooling materials, the processing technology of radiative cooling devices, the development of radiative cooling technology, and other energy technologies. This book is used as reference for researchers and engineers who work in the fields of radiative cooling.
Green Nanotechnology
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Author : Geoffrey B. Smith
language : en
Publisher: CRC Press
Release Date : 2010-09-29
Green Nanotechnology written by Geoffrey B. Smith and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-29 with Science categories.
A first step in developing a clean and sustainable future is to think differently about everyday products, in particular how they influence energy use. Green Nanotechnology: Solutions for Sustainability and Energy in the Built Environment explores the science and technology of tiny structures that have a huge potential to improve quality of life wh
An Investigation Of Properties Of Materials Suitable For Radiative Cooling Applications
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Author : Stephen Norman Bathgate
language : en
Publisher:
Release Date : 2006
An Investigation Of Properties Of Materials Suitable For Radiative Cooling Applications written by Stephen Norman Bathgate and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Cooling categories.
Nocturnal Cooling Technology For Building Applications
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Author : Mardiana Idayu Ahmad
language : en
Publisher: Springer
Release Date : 2019-03-28
Nocturnal Cooling Technology For Building Applications written by Mardiana Idayu Ahmad and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-28 with Architecture categories.
This book discusses nocturnal cooling technologies for building applications. Exploiting the natural environment as a renewable and sustainable resource has become a significant strategy for passive energy saving in buildings, and has led to growing interest in the use of passive radiative cooling based on nighttime (nocturnal) and daytime (diurnal) operating periods. Of these, nocturnal cooling is more promising since diurnal cooling is hard to achieve due to the solar radiation effect. As such, this book provides a comprehensive overview of nocturnal cooling for building applications, including a definition, concepts and principles; materials and devices; and cooling systems and configurations.
Indoor And Outdoor Radiant Cooling Systems For Buildings
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Author : Ardeshir Moftakhari
language : en
Publisher:
Release Date : 2022
Indoor And Outdoor Radiant Cooling Systems For Buildings written by Ardeshir Moftakhari and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Heating, Ventilation and Air Conditioning (HVAC) systems account for a major portion of overall energy consumption in buildings. Most HVAC systems use conventional and well established all-air thermal distribution systems that rely on convection as the major heat transfer mechanism for heat extraction. However, energy conservation efforts encouraged research related to radiant systems that can improve efficiency of HVAC systems. Radiant systems can be integrated into the building envelope by means of radiant cooling panels or slabs. These systems can increase the efficiency of the HVAC system by allowing chillers to operate more efficiently at a higher chilled water temperature compared to all-air systems. Another example of using radiative heat transfer for energy efficiency is in systems that use exterior spectrally-selective surfaces to intensively radiate heat to the outer space under suitable atmospheric conditions or passive radiative cooling (PRC). These systems utilize materials with high albedo coating and emit thermal infrared radiation that exploits the atmospheric window, resulting in sub-ambient surface temperatures, even during sunny days. Both indoor and outdoor radiant cooling systems need further development before they show full potential for increasing building energy efficiency. However, there are many questions about these systems that need to be addressed. For indoor radiant cooling systems, there is no clearly defined design process. Currently, design relies on procedures developed for all air systems, which in some situations are systems that cannot deliver the load when considering effective control of indoor environmental conditions. Also, there is a need for better understanding of the dynamics of heat transfer in rooms with radiant cooling systems and inclusion of this into the design procedure. When considering novel outdoor radiant cooling systems, all engineering aspects of these systems are very much unknown as these systems just emerged and there are few full-scale prototypes. From the theoretical studies (Zhu et al., 2013), we know that these PRC systems that are based on selective surfaces can produce cooling power of up to 100 (W/m2); however, there is little to no information how ambient condition, application specifics, and material affects performance of these systems. Additionally, there are no models associated with selective PRC films that can be implemented in the design or energy performance modeling tools. My PhD thesis work utilizes the state-of-the-art facilities, such as Thermal Façade lab and Roof Testing lab at the University of Texas at Austin, to conduct a set of full-scale experiments and combine experimental results with analytical and numerical modeling to address several research and engineering challenges related to the system design process, operation and energy performance. Specifically, my dissertation: (a) investigates the complex heat transfer dynamics of spaces conditioned with radiant cooling panels, (b) develops a system design that integrates building thermal response to these radiant cooling systems, (c) advances the system control strategy by integrating all influencing parameters in the model that provides optimal thermal comfort and energy saving, (d) evaluates thermal performance of PRC-based roofs in a full-scale prototype, and (e) develops sky radiation models for energy analysis of the PRC-based roofing technology. The research builds upon fundamental science and principles while the findings are incorporated in the ASHRAE and other relevant building design guidelines used worldwide by HVAC designers and practitioners
Solar Heating Radiative Cooling And Thermal Movement
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Author : William C. Cullen
language : en
Publisher:
Release Date : 1963
Solar Heating Radiative Cooling And Thermal Movement written by William C. Cullen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Radiation categories.
Twenty different built-up roof construction specimens, covered with five surfacing materials, were subjected to natural solar heating and nighttime cooling.The temperatures and temperature changes observed during winter and summer exposures are discussed.The data indicate that the temperature attained in a roof membrane is influenced by the absorptance and emissivity of the surface as well as the thermal and physical properties of the substrate to which the roofing is applied. The data show that roofings placed over insulation may be heated to a temperature of 80F. above ambient due to solar heating and may be subcooled as much as 20F. below the ambient due to radiative cooling.The thermal movements which occur in the components of a roof system due to temperature change are discussed in relation to built-up roof performance and failures.(Author).
The Proceedings Of The 18th Annual Conference Of China Electrotechnical Society
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Author : Qingxin Yang
language : en
Publisher: Springer Nature
Release Date :
The Proceedings Of The 18th Annual Conference Of China Electrotechnical Society written by Qingxin Yang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Liquid Crystal Applications And Uses Volume 3
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Author : Birendra Bahadur
language : en
Publisher: World Scientific
Release Date : 1992-12-18
Liquid Crystal Applications And Uses Volume 3 written by Birendra Bahadur and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-12-18 with Science categories.
This book reviews comprehensively the technological, scientific, artistic and medical applications of liquid crystals. It starts with the basics of liquid crystals and covers electro-optical, thermo-optical, colour, polymeric, lyotropic, and scientific applications of liquid crystalline materials. It discusses the fabrication and operational principles of a full range of liquid crystal displays including dynamic scattering, twisted nematic, supertwisted nematic, dichroic, smectic A, ferroelectric, polymer dispersed, light valve, active matrix, etc., in detail. It also covers the emerging applications of liquid crystals such as optical computing, nonlinear optics, decorative and visual arts. The detailed chapters on classification, theory, chemical structure, physical properties and surface alignment of liquid crystals facilitate the basic understanding of the science behind LCDs and other uses of liquid crystals. The chapters on liquid crystal polymers and lyotropic liquid crystals, give deep insight into these areas. The potential uses and applications are also described in detail.
Proceedings Of The 3rd International Conference On Green Energy Environment And Sustainable Development Geesd2022
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Author : X. Zhang
language : en
Publisher: IOS Press
Release Date : 2022-10-14
Proceedings Of The 3rd International Conference On Green Energy Environment And Sustainable Development Geesd2022 written by X. Zhang and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-14 with Technology & Engineering categories.
With the general acknowledgement that climate change constitutes an existential threat to both mankind and to the planet, the quest for more sustainable and environmentally-friendly ways of developing and maintaining human civilizations has become ever more important in recent years. This book presents the proceedings of GEESD2022, the 3rd International Conference on Green Energy, Environment and Sustainable Development. Due to continuing travel restrictions as a result of the COVID-19 pandemic, the conference was held as a hybrid event, part face-to-face in Beijing, China, and partly online via Zoom, on 29 June 2022. The 141 papers included here were selected after a rigorous 6-month process of evaluation and peer-review from the more than 300 submissions received, and are grouped into 7 sections: energy system and smart control; sustainable and green energy; environmental modeling and simulation; environmental science and pollution research; ecology and rural environment; building and environment; and water and mineral resources. The book provides an overview of the most up-to-date findings and technologies current in green energy, environment and sustainable development today, and will be of interest to all those working in the field.
Photonic Control Of Thermal Infrared Radiation
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Author : John Benjamin Brewer
language : en
Publisher:
Release Date : 2023
Photonic Control Of Thermal Infrared Radiation written by John Benjamin Brewer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Thermal infrared radiation, conventionally defined as the band from 7-14um, is an important waveband for a variety of applications in radiative cooling and thermal imaging. Due to its broadband character, traditional resonant photonic phenomena's typically extremely narrow band, high quality factor behaviors are not generally applied to the thermal wavelengths. Here we show a variety of ways in which conventionally high quality factor, narrow band resonances can be augmented for effective use over broadband regimes. This theme is demonstrated in the cases of relativistic lightsails, thermal infrared optics, and solar cell module glass. I show how conventional nanophotonic structures can be applied to these systems to derive benefits such as improved radiative cooling performance, increased interfacial transmission efficiency, and increased photovoltaic module power generation efficiency and longevity.