Daylighting: Architecture and Lighting Design

Cover
Daylighting: Architecture and lighting design
Copyright
Contents
Acknowledgements
How to use this book
one Criteria of good daylighting
	The essentials
	Physical measures and what we see
	Health 1: the need for regular exposure to daylight
	Health 2: the need for a view
	The creation of place
	Work and comfort
	Display
two What light does
	Luminous energy
	Light in the atmosphere
	Light on a surface and Lambert’s law
	Large sources, small sources and ideal sources
	An infinite plane of light and the concept of luminance
	Parallel beams
	Surfaces and the nature of reflection
	An infinity of reflections
	The daylit room
	A summary
	A homily
three The daylight climate
	The luminous atmosphere
	The geometry of sunlight
	Daylight availability
	Luminance distribution of the sky
	The whole climate
four Daylight and the form of buildings
	Climate, environment and structure
	Sunlight 1: shading and shape
	Sunlight 2: sunshades and solar collectors
	Sunlight 3: using reflected sunlight to illuminate rooms
	Light from the diffuse sky
	Electric lighting during daytime
	The view to outside
	Maintenance
	Imagination
five Energy and control
	Daylight and energy
	Control systems
	Calculating energy use
	Closed loop control algorithms
six Standards, design guidance and development control
	What standards must do
	Evidence and judgement
	A spectrum of design guidance
	Daylight criteria 1: minimum acceptable conditions in dwellings
	Daylight criteria 2: minimum acceptable conditions for desk-based workspaces
	Daylight standards in urban planning
	Conclusions
	Discussion
seven Daylight factors
	The average daylight factor
	Correlations and variations
	Atria, arcades and greenhouses
	Daylight at a point
	The horizon factor
eight Daylight illuminance
	Illuminance and daylight factors
	Illuminance from reflected sunlight
	Skylight and sunlight in the urban canyon
	Trees, distant surfaces and shiny façades
	The accuracy of lighting measurements and calculations
nine Collecting daylight: windows, light pipes and other devices
	Transmittance
	Estimating transmittance
	Glass and glazing
	Light pipes
	Light shelves
	Heliostats
ten Daylight coefficients and numerical models
	The fundamental equation
	Subdivision of the sky
	Calculating daylight coefficients: finite area methods
	Samples of rays: the Monte Carlo method
	An outline of a program
	The use of daylight coefficients
	Daylight coefficients and dot diagrams
	Finally …
eleven Notes and references
	Further reading: general books
	General notes
	Illustrations
	Chapter notes
	References
Worksheets
Algorithms and Equations
Index