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Author: Illuminating Engineering Society
Publisher:
ISBN: 9780879953690
Category :
Languages : en
Pages : 23
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Book Description
Author: Illuminating Engineering Society
Publisher:
ISBN: 9780879953690
Category :
Languages : en
Pages : 23
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Book Description
Author: Maurizio Rossi
Publisher: Springer
ISBN: 3030110877
Category : Technology & Engineering
Languages : en
Pages : 293
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Book Description
This book explores how lighting systems based on LED sources have the ability to positively influence the human circadian system, with benefits for health and well-being. The opening chapters examine the functioning of the human circadian system, its response to artificial lighting, potential health impacts of different types of light exposure, and current researches in circadian photometry. A first case study analyzes the natural lighting available in an urban interior, concluding that it is unable to activate the human circadian system over the entire year. Important original research is then described in which systems suitable for artificial circadian lighting in residential interiors and offices were developed after testing of new design paradigms based on LED sources. Readers will also find a detailed analysis of the LED products available or under development globally that may contribute to optimal artificial circadian lighting, as well as the environmental sensors, control interfaces, and monitoring systems suitable for integration with new LED lighting systems. Finally, guidelines for circadian lighting design are proposed, with identification of key requirements.
Author: Fabian-Xosé Fernandez
Publisher: Frontiers Media SA
ISBN: 2889714977
Category : Medical
Languages : en
Pages : 203
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Book Description
Author: J. Paul Guyer, P.E., R.A.
Publisher: Guyer Partners
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 46
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Book Description
Introductory technical guidance for electrical engineers, lighting engineers and other professional engineers and construction managers interested in exterior lighting design. Here is what is discussed: 1. PRIORITIES FOR EXTERIOR LIGHTING SYSTEMS, 2. EXTERIOR LIGHTING EQUIPMENT, 3. EXTERIOR LIGHTING CONTROLS, 4. EXTERIOR LIGHTING ZONES, 5. SOLAR LIGHTS, 6. LIGHTING SYSTEM ALTERATIONS, 7. SITE DESIGN COORDINATION, 8. AIRFIELDS, 9. EXTERIOR LIGHTING APPLICATIONS.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1326
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Book Description
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309452570
Category : Science
Languages : en
Pages : 117
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Book Description
The standard incandescent light bulb, which still works mainly as Thomas Edison invented it, converts more than 90% of the consumed electricity into heat. Given the availability of newer lighting technologies that convert a greater percentage of electricity into useful light, there is potential to decrease the amount of energy used for lighting in both commercial and residential applications. Although technologies such as compact fluorescent lamps (CFLs) have emerged in the past few decades and will help achieve the goal of increased energy efficiency, solid-state lighting (SSL) stands to play a large role in dramatically decreasing U.S. energy consumption for lighting. Since the publication of the 2013 National Research Council report Assessment of Advanced Solid-State Lighting, the penetration of SSL has increased dramatically, with a resulting savings in energy and costs that were foreshadowed by that study. What was not anticipated then is the dramatic dislocation and restructuring of the SSL marketplace, as cost reductions for light-emitting diode (LED) components reduced profitability for LED manufacturers. At the same time, there has been the emergence of new applications for SSL, which have the potential to create new markets and commercial opportunities for the SSL industry. Assessment of Solid-State Lighting, Phase Two discusses these aspects of changeâ€"highlighting the progress of commercialization and acceptance of SSL and reviewing the technical advances and challenges in achieving higher efficacy for LEDs and organic light-emitting diodes. This report will also discuss the recent trends in SSL manufacturing and opportunities for new applications and describe the role played by the Department of Energy (DOE) Lighting Program in the development of SSL.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1460
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Urs Albrecht
Publisher: Springer Science & Business Media
ISBN: 1441912622
Category : Science
Languages : en
Pages : 306
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Book Description
With the invitation to edit this volume, I wanted to take the opportunity to assemble reviews on different aspects of circadian clocks and rhythms. Although most c- tributions in this volume focus on mammalian circadian clocks, the historical int- duction and comparative clocks section illustrate the importance of various other organisms in deciphering the mechanisms and principles of circadian biology. Circadian rhythms have been studied for centuries, but only recently, a mole- lar understanding of this process has emerged. This has taken research on circadian clocks from mystic phenomenology to a mechanistic level; chains of molecular events can describe phenomena with remarkable accuracy. Nevertheless, current models of the functioning of circadian clocks are still rudimentary. This is not due to the faultiness of discovered mechanisms, but due to the lack of undiscovered processes involved in contributing to circadian rhythmicity. We know for example, that the general circadian mechanism is not regulated equally in all tissues of m- mals. Hence, a lot still needs to be discovered to get a full understanding of cir- dian rhythms at the systems level. In this respect, technology has advanced at high speed in the last years and provided us with data illustrating the sheer complexity of regulation of physiological processes in organisms. To handle this information, computer aided integration of the results is of utmost importance in order to d- cover novel concepts that ultimately need to be tested experimentally.
Author: National Library of Medicine (U.S.)
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1000
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Book Description
Includes subject section, name section, and 1968-1970, technical reports.
Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 1274
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Book Description
