Daylight Glare In Offices

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Daylight Glare in Offices

Author : Jan Wienold
Publisher :
ISBN 13 : 9783839601624
Total Pages : 132 pages
Book Rating : 4.6/5 (16 download)

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Book Synopsis Daylight Glare in Offices by : Jan Wienold

Download or read book Daylight Glare in Offices written by Jan Wienold and published by . This book was released on 2010 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The influence of discomfort glare is often underestimated in daylighting design and in the use of buildings. Many façade solutions are intended to increase the amount of daylight penetrating the room and creating a glare free environment at the same time. But as soon as a planning process comes to the point to quantify the glare freeness of a solution, the question of suitable glare measure arises. To analyze the reliability of existing glare rating methods, user assessments under real daylight conditions in office like test rooms are designed and carried out at two sites using different Venetian blinds and a foil system. For the evaluation of high dynamic digital images, a new tool "evalglare" is developed. The existing glare rating models show moderate or poor correlations with the user's perception of glare. The window luminance as single glare descriptor exhibits no correlation at all. On the basis of the user assessments a new daylight glare rating - the daylight glare probability DGP - is developed and validated. The DGP describes the probability that a person is disturbed by daylight glare. The DGP is also used as a basic glare descriptor for new climate based glare evaluation methods, which enables an assessment of daylight glare for a full year data set within a design process. For the evaluation, a glare rating classification based on simulations and frequency distributions is proposed.

Effect of Daylight Glare on Passive Design in Government Office Building

Author : Fadli Arabi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (969 download)

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Book Synopsis Effect of Daylight Glare on Passive Design in Government Office Building by : Fadli Arabi

Download or read book Effect of Daylight Glare on Passive Design in Government Office Building written by Fadli Arabi and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluating Office Lighting Environments

Author :
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Evaluating Office Lighting Environments by :

Download or read book Evaluating Office Lighting Environments written by and published by . This book was released on 1989 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data from a post-occupancy evaluation (POE) of 912 work stations with lighting power density (LPD), photometric, and occupant response measures were examined in a detailed, second-level analysis. Seven types of lighting systems were identified with different combinations of direct and indirect ambient lighting, and task lighting and daylight. The mean illuminances, with body shadow, at the primary task location were within the IES target values for office tasks with a range of mean illuminances from 32 to 75 fc, depending on the lighting system. The median LPD was about 2.36 W/sq.ft, with about one-third the work stations having LPD's at or below 2.0 W/sq.ft. Although a majority of the occupants (69%) were satisfied about their lighting, the highest percentage of those expressing dissatisfaction (37%) with lighting had an indirect fluorescent furniture mounted (IFFM) system. The negative reaction of so many people to the IFFM system suggests that the combination of task lighting with an indirect ambient lighting system had an important influence on lighting satisfaction, even though task illuminances tended to be higher with the IFFM system. Concepts of lighting quality, visual health, and control were explored, as well as average luminance to explain the negative reactions to the combination of indirect lighting with furniture mounted lighting.

Sick Building Syndrome

Author : Jack Rostron
Publisher : Routledge
ISBN 13 : 1135815801
Total Pages : 206 pages
Book Rating : 4.1/5 (358 download)

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Book Synopsis Sick Building Syndrome by : Jack Rostron

Download or read book Sick Building Syndrome written by Jack Rostron and published by Routledge. This book was released on 2005-08-04 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sick building syndrome is for many of us an enigma. The legislative precedents currently being set in North America underline the need for rational examination of the problem. This new collection of expert writing will help unravel the complex issues involved. The book explores sick building syndrome from a range of perspectives: architectural, medical, psychological and legal. Each chapter offers detailed insights into the condition and taken together they highlight the need for a collaborative approach. The effects of sick building syndrome should not be underestimated as it is thought that up to 30 percent of refurbished buildings may suffer from the condition. Extreme cases may lead to increased absenteeism among employees, reduced performance and ultimately building closure.

Daylight Performance of Buildings

Author : Marc Fontoynont
Publisher : Routledge
ISBN 13 : 1134257139
Total Pages : 847 pages
Book Rating : 4.1/5 (342 download)

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Book Synopsis Daylight Performance of Buildings by : Marc Fontoynont

Download or read book Daylight Performance of Buildings written by Marc Fontoynont and published by Routledge. This book was released on 2014-05-01 with total page 847 pages. Available in PDF, EPUB and Kindle. Book excerpt: As part of Daylight Europe, the daylighting behaviour of 60 buildings was observed and measured during a three year period. Buildings of many different types, sizes and ages were included - from offices to museums, libraries, churches, houses, airports and factories; from Classical buildings to modern constructions, and from a small single room to an office of over 100,000 square meters. The results of the study of each building are presented, extensively illustrated in colour, with the unusual features and main lessons highlighted. The book also includes details of the monitoring procedures, the results of and comparisons with simulations, the outcome of post-occupancy evaluation, and a summary of the major findings. These show the extraordinary potential of daylighting techniques to improve amenity and energy performance for the benefit of the occupants and building managers. They also demonstrate how often opportunities are missed, and the frequency of problems of overheating or glare. Above all, they demonstrate the beauty, elegance and scope of daylight design.

Biophilic Design

Author : Stephen R. Kellert
Publisher : John Wiley & Sons
ISBN 13 : 1118174240
Total Pages : 641 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis Biophilic Design by : Stephen R. Kellert

Download or read book Biophilic Design written by Stephen R. Kellert and published by John Wiley & Sons. This book was released on 2011-09-26 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: "When nature inspires our architecture-not just how it looks but how buildings and communities actually function-we will have made great strides as a society. Biophilic Design provides us with tremendous insight into the 'why,' then builds us a road map for what is sure to be the next great design journey of our times." -Rick Fedrizzi, President, CEO and Founding Chairman, U.S. Green Building Council "Having seen firsthand in my company the power of biomimicry to stimulate a wellspring of profitable innovation, I can say unequivocably that biophilic design is the real deal. Kellert, Heerwagen, and Mador have compiled the wisdom of world-renowned experts to produce this exquisite book; it is must reading for scientists, philosophers, engineers, architects and designers, and-most especially-businesspeople. Anyone looking for the key to a new type of prosperity that respects the earth should start here." -Ray C. Anderson, founder and Chair, Interface, Inc. The groundbreaking guide to the emerging practice of biophilic design This book offers a paradigm shift in how we design and build our buildings and our communities, one that recognizes that the positive experience of natural systems and processes in our buildings and constructed landscapes is critical to human health, performance, and well-being. Biophilic design is about humanity's place in nature and the natural world's place in human society, where mutuality, respect, and enriching relationships can and should exist at all levels and should emerge as the norm rather than the exception. Written for architects, landscape architects, planners,developers, environmental designers, as well as building owners, Biophilic Design: The Theory, Science, and Practice of Bringing Buildings to Life is a guide to the theory, science, and practice of biophilic design. Twenty-three original and timely essays by world-renowned scientists, designers, and practitioners, including Edward O. Wilson, Howard Frumkin, David Orr, Grant Hildebrand, Stephen Kieran, Tim Beatley, Jonathan Rose, Janine Benyus, Roger Ulrich, Bert Gregory, Robert Berkebile, William Browning, and Vivian Loftness, among others, address: * The basic concepts of biophilia, its expression in the built environment, and how biophilic design connects to human biology, evolution, and development. * The science and benefits of biophilic design on human health, childhood development, healthcare, and more. * The practice of biophilic design-how to implement biophilic design strategies to create buildings that connect people with nature and provide comfortable and productive places for people, in which they can live, work, and study. Biophilic design at any scale-from buildings to cities-begins with a few simple questions: How does the built environment affect the natural environment? How will nature affect human experience and aspiration? Most of all, how can we achieve sustained and reciprocal benefits between the two? This prescient, groundbreaking book provides the answers.

Office Buildings

Author : Pranab Kumar Nag
Publisher : Springer
ISBN 13 : 9811325774
Total Pages : 533 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Office Buildings by : Pranab Kumar Nag

Download or read book Office Buildings written by Pranab Kumar Nag and published by Springer. This book was released on 2018-12-31 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together concepts from the building, environmental, behavioural and health sciences to provide an interdisciplinary understanding of office and workplace design. Today, with changes in the world of work and the relentless surge in technology, offices have emerged as the repositories of organizational symbolism, denoted by the spatial design of offices, physical settings and the built environment (architecture, urban locale). Drawing on Euclidian geometry that quantifies space as the distance between two or more points, a body of knowledge on office buildings, the concept of office and office space, and the interrelationships of spatial and behavioural attributes in office design are elucidated. Building and office work-related illnesses, namely sick building syndrome and ailments arising from the indoor environment, and the menace of musculoskeletal disorders are the alarming manifestations that critically affect employee satisfaction, morale and work outcomes. With a focus on office ergonomics, the book brings the discussion on the fundamentals of work design, with emphasis on computer workstation users. Strategic guidance of lighting systems and visual performance in workplaces are directed for better application of ergonomics and improvement in office indoor environment. It discusses the profiles of bioclimatic, indoor air quality, ventilation intervention, lighting and acoustic characteristics in office buildings. Emphasis has been given to the energy performance of buildings, and contemporary perspectives of building sustainability, such as green office building assessment schemes, and national and international building-related standards and codes. Intended for students and professionals from ergonomics, architecture, interior design, as well as construction engineers, health care professionals, and office planners, the book brings a unified overview of the health, safety and environment issues associated with the design of office buildings.

Effective Daylighting with High-Performance Facades

Author : Kyle Konis
Publisher : Springer
ISBN 13 : 3319394630
Total Pages : 282 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis Effective Daylighting with High-Performance Facades by : Kyle Konis

Download or read book Effective Daylighting with High-Performance Facades written by Kyle Konis and published by Springer. This book was released on 2017-05-09 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book explores advanced building-facade daylighting design practices based on diverse energy and human-factor performance metrics. It also defines effective daylighting by rethinking the simplified approach to glazing and facade systems to incorporate the local climate and the needs of building occupants as critical drivers of building performance, design solutions and technological innovation. It discusses state-of-the-art approaches in the context of simulation-based design workflows, innovative technologies and real project case studies, all targeting low and net-zero energy solutions that enhance occupant comfort. Readers benefit from a comprehensive approach that improves the feedback loop between design intent and performance in use. The book is intended for architects, lighting designers, facade engineers, manufacturers and building owners/operators, as well as advanced students.

Evaluating Human Visual Preference and Performance in an Office Environment Using Luminance-based Metrics

Author : Kevin G. Van Den Wymelenberg
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (853 download)

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Book Synopsis Evaluating Human Visual Preference and Performance in an Office Environment Using Luminance-based Metrics by : Kevin G. Van Den Wymelenberg

Download or read book Evaluating Human Visual Preference and Performance in an Office Environment Using Luminance-based Metrics written by Kevin G. Van Den Wymelenberg and published by . This book was released on 2012 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are not adequate human factors research studies available that examine luminance-based measures as they relate to human visual preference and acceptance in spaces with daylight. The objective of this research is to study several luminance-based metrics to support improved integrated lighting design recommendations, computational analysis methods and control technologies. Therefore, this dissertation executed a two-day pilot study (n=18) and a six-month repeated-measures experiment (n=45) in mock office spaces under naturally occurring daylight conditions in Boise, Idaho. Recent developments in High Dynamic Range digital photography permit investigation of high-resolution luminance-based metrics. Once these metrics and associated recommended criteria are established, they can support computational daylighting design analysis and integrated luminous environmental control systems to improve occupant satisfaction and increase energy savings over traditional illuminance-based methods. This dissertation also examined human visual performance differences in scenes rated as visually comfortable and those having "just uncomfortable glare." This was done to determine if, and to what extent, visual performance decrements exist under uncomfortable conditions. Luminance-based metrics proved more capable than illuminance-based metrics at fitting the range of subjective responses on visual comfort items. Standard deviation of window luminance produced the highest adjusted squared correlation coefficient of any single metric with subjective responses ([subscript] adj r2=0.38, F1,860=536, p-value0.01). Additionally, metrics based upon luminance within the 40° horizontal band of vision performed strongly. A bounded-borderline between comfort and discomfort is proposed as preliminary criteria for several of the highest-ranked metrics. Illuminance-based metrics, traditional luminance ratios and the recently proposed Daylight Glare Probability were less able to fit subjective responses. The strongest multiple regression model was for the "too dim-too bright" rating of the window wall ([subscript] adj R2=0.49, F3,688=222, p-value

Occupant Evaluation of Commercial Office Lighting

Author : Gary Gillette
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (9 download)

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Book Synopsis Occupant Evaluation of Commercial Office Lighting by : Gary Gillette

Download or read book Occupant Evaluation of Commercial Office Lighting written by Gary Gillette and published by . This book was released on 1986 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Principles of Office Management

Author : Dr. R.C. Bhatia
Publisher : Lotus Press
ISBN 13 : 9788189093679
Total Pages : 434 pages
Book Rating : 4.0/5 (936 download)

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Book Synopsis Principles of Office Management by : Dr. R.C. Bhatia

Download or read book Principles of Office Management written by Dr. R.C. Bhatia and published by Lotus Press. This book was released on 2005 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Annual Dynamics of Daylight Variability and Contrast

Author : Siobhan Rockcastle
Publisher : Springer Science & Business Media
ISBN 13 : 1447152336
Total Pages : 89 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Annual Dynamics of Daylight Variability and Contrast by : Siobhan Rockcastle

Download or read book Annual Dynamics of Daylight Variability and Contrast written by Siobhan Rockcastle and published by Springer Science & Business Media. This book was released on 2013-06-25 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Daylight is a dynamic source of illumination in architectural space, creating diverse and ephemeral configurations of light and shadow within the built environment. Perceptual qualities of daylight, such as contrast and temporal variability, are essential to our understanding of both material and visual effects in architecture. Although spatial contrast and light variability are fundamental to the visual experience of architecture, architects still rely primarily on intuition to evaluate their designs because there are few metrics that address these factors. Through an analysis of contemporary architecture, this work develops a new typological language that categorizes architectural space in terms of contrast and temporal variation. This research proposes a new family of metrics that quantify the magnitude of contrast-based visual effects and time-based variation within daylit space through the use of time-segmented daylight renderings to provide a more holistic analysis of daylight performance.

Daylighting and Integrated Lighting Design

Author : Christopher Meek
Publisher : Routledge
ISBN 13 : 1317673360
Total Pages : 183 pages
Book Rating : 4.3/5 (176 download)

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Book Synopsis Daylighting and Integrated Lighting Design by : Christopher Meek

Download or read book Daylighting and Integrated Lighting Design written by Christopher Meek and published by Routledge. This book was released on 2014-10-17 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Daylighting and Integrated Lighting Design provides architects, building designers, and students clear direction for the successful inclusion of daylight and integrated electric light in buildings. It presents design teams with the performance analysis resources, energy saving estimates and user satisfaction results they need in order to make informed decisions regarding daylighting and lighting design. Written by two well-known experts in the field, the book provides: critical geometric and material relationships along with proven design process activities, offered in a quick-reference format, with sufficient context to address the range of associated issues present in any building project both the "fundamentals" and "applications" which cover design concepts and practice activities applicable to all integrated lighting projects specific directives for how the concepts covered are applied in a range of common design scenarios, including architectural rules-of-thumb, instructions for ensuring visual comfort, and preferred approaches for electric lighting control integration. In demonstrating these necessary insights to designers, the authors employ an iterative analysis of common "daylighting patterns" and illustrate and annotate both successful and unsuccessful examples via built form and simulation. Part of the PocketArchitecture series, this is the ideal pocketbook for any designer serious about reducing the energy impact of their buildings.

FACTORS INFLUENCING WORKERS' IMPRESSIONS OF GLARE IN OPEN OFFICES (LIGHTING, OFFICE LIGHTING).

Author : VIRGINIA ANN NORTH
Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis FACTORS INFLUENCING WORKERS' IMPRESSIONS OF GLARE IN OPEN OFFICES (LIGHTING, OFFICE LIGHTING). by : VIRGINIA ANN NORTH

Download or read book FACTORS INFLUENCING WORKERS' IMPRESSIONS OF GLARE IN OPEN OFFICES (LIGHTING, OFFICE LIGHTING). written by VIRGINIA ANN NORTH and published by . This book was released on 1991 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: impressions of the buildings' occupants relevant to bothersome reflected glare at the task areas.

Daylight Performance of Buildings

Author : Marc Fontoynont
Publisher : Routledge
ISBN 13 : 1134257066
Total Pages : 311 pages
Book Rating : 4.1/5 (342 download)

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Book Synopsis Daylight Performance of Buildings by : Marc Fontoynont

Download or read book Daylight Performance of Buildings written by Marc Fontoynont and published by Routledge. This book was released on 2014-05-01 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: As part of Daylight Europe, the daylighting behaviour of 60 buildings was observed and measured during a three year period. Buildings of many different types, sizes and ages were included - from offices to museums, libraries, churches, houses, airports and factories; from Classical buildings to modern constructions, and from a small single room to an office of over 100,000 square meters. The results of the study of each building are presented, extensively illustrated in colour, with the unusual features and main lessons highlighted. The book also includes details of the monitoring procedures, the results of and comparisons with simulations, the outcome of post-occupancy evaluation, and a summary of the major findings. These show the extraordinary potential of daylighting techniques to improve amenity and energy performance for the benefit of the occupants and building managers. They also demonstrate how often opportunities are missed, and the frequency of problems of overheating or glare. Above all, they demonstrate the beauty, elegance and scope of daylight design.

Discomfort Glare in Interior Lighting

Author : International Commission on Illumination
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Discomfort Glare in Interior Lighting by : International Commission on Illumination

Download or read book Discomfort Glare in Interior Lighting written by International Commission on Illumination and published by . This book was released on 1995 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Discomfort Glare from Daylight in Classrooms

Author : Raquel Viula
Publisher :
ISBN 13 : 9789463665919
Total Pages : 0 pages
Book Rating : 4.6/5 (659 download)

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Book Synopsis Discomfort Glare from Daylight in Classrooms by : Raquel Viula

Download or read book Discomfort Glare from Daylight in Classrooms written by Raquel Viula and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provision of daylight without the risk of discomfort glare is one of the aspects that determine the quality of the classroom environment. Although discomfort glare from daylight is under investigation for a long time, a knowledge gap concerning the applicability of the existing metrics to the spatial conditions of the classroom is identified in this work. An investigation on the applicability of existing metrics to the prediction of discomfort glare in classrooms has been carried out based on two experimental studies. The analysis shows that the existing metrics have poor predictive ability particularly in the sitting positions away from the window light source. A study is then carried out to investigate how can more appropriate predictive models of discomfort glare be developed, based on three different methods. A modification of the Daylight Glare Probability (DGP) equation produced a significantly better discomfort glare model than any of the metrics that have been studied in this work. Following this finding, a new metric, DGPlog(Ev)new, is proposed. The produced metric suggests that discomfort glare in the classroom is better identified based on a range of equations for different sitting positions or that new variables that account for sitting position need to be included in a predictive model of discomfort glare for these spaces. A set of architectural design guidelines towards a discomfort glare free classroom is then proposed, based on the newly produced model and on the collected data.