Podcast
Questions and Answers
What is the foundation of architectural buildings?
What is the foundation of architectural buildings?
Lighting
What two things does lighting design involve?
What two things does lighting design involve?
Science and art
Artificial lighting is typically planned in the early stages of architectural design.
Artificial lighting is typically planned in the early stages of architectural design.
False (B)
What is the purpose of all lighting?
What is the purpose of all lighting?
What is a lumen?
What is a lumen?
What is a measure of energy consumption?
What is a measure of energy consumption?
What is a footcandle?
What is a footcandle?
What is the most common measure of light output?
What is the most common measure of light output?
What is the metric unit for illuminance?
What is the metric unit for illuminance?
Another term for luminance is what?
Another term for luminance is what?
The human eye sees illuminance.
The human eye sees illuminance.
What is the excessive brightness from a direct light source called?
What is the excessive brightness from a direct light source called?
What is the color of the light source called?
What is the color of the light source called?
What is the scale used to measure a light source's ability to render colors?
What is the scale used to measure a light source's ability to render colors?
What is the ratio of light produced to energy consumed called?
What is the ratio of light produced to energy consumed called?
What are the three types of lighting?
What are the three types of lighting?
LED bulbs consume more electricity than traditional incandescent bulbs.
LED bulbs consume more electricity than traditional incandescent bulbs.
The number of different light sources in a space should be limited.
The number of different light sources in a space should be limited.
Controls such as occupancy sensors contribute to increased energy consumption.
Controls such as occupancy sensors contribute to increased energy consumption.
What are some adverse effects of natural light?
What are some adverse effects of natural light?
What is the best type of bulb for saving energy and reducing environmental impact?
What is the best type of bulb for saving energy and reducing environmental impact?
What are some benefits of LED bulbs?
What are some benefits of LED bulbs?
What are the two main types of glare?
What are the two main types of glare?
What are the three color temperature ranges?
What are the three color temperature ranges?
It's important to control lighting for flexibility and to cater to different needs.
It's important to control lighting for flexibility and to cater to different needs.
Occupancy sensors that automatically turn on lights are not energy-efficient.
Occupancy sensors that automatically turn on lights are not energy-efficient.
The lighting of a space should only emphasize brighter areas.
The lighting of a space should only emphasize brighter areas.
What are some costs associated with implementing a lighting system?
What are some costs associated with implementing a lighting system?
Lighting installation is a simple process and can be successfully completed by anyone.
Lighting installation is a simple process and can be successfully completed by anyone.
Maintaining a light system is typically a straightforward task.
Maintaining a light system is typically a straightforward task.
Flashcards
Lighting in Architecture
Lighting in Architecture
Lighting plays a crucial role in shaping the perception of space, materials, and aesthetics within architectural designs. Good lighting enhances the visual experience of a building, improving the comfort of occupants.
Artificial Lighting Planning
Artificial Lighting Planning
Artificial lighting in architectural design is often planned at later stages of the design process, after the structure is completed.
What is Lighting Design?
What is Lighting Design?
Lighting design applies lighting principles to human spaces, including natural daylight when utilized strategically. It combines scientific knowledge, established standards, and aesthetic, cultural, and human factors.
Illuminance
Illuminance
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Lumen
Lumen
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Watt
Watt
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Footcandle
Footcandle
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Light Output
Light Output
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Light Level (Illuminance)
Light Level (Illuminance)
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Brightness (Luminance)
Brightness (Luminance)
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What causes glare?
What causes glare?
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Color Temperature
Color Temperature
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Color Rendition
Color Rendition
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Ambient Lighting
Ambient Lighting
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Task Lighting
Task Lighting
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Accent Lighting
Accent Lighting
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What is Light Efficacy?
What is Light Efficacy?
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LED Light Benefits
LED Light Benefits
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Lighting Design Principles (Focus)
Lighting Design Principles (Focus)
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Lighting Design Principles (Replacement)
Lighting Design Principles (Replacement)
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Lighting Design Principles (Layering)
Lighting Design Principles (Layering)
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Lighting Design Principles (Function & Form)
Lighting Design Principles (Function & Form)
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Lighting Design Principles (Concealed Sources)
Lighting Design Principles (Concealed Sources)
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Lighting Design Principles (Control)
Lighting Design Principles (Control)
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Lighting Design Considerations (Natural Light Interaction)
Lighting Design Considerations (Natural Light Interaction)
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Lighting Design Considerations (Energy Conservation)
Lighting Design Considerations (Energy Conservation)
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Lighting Design Considerations (Space Appearance)
Lighting Design Considerations (Space Appearance)
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Lighting Design Considerations (Glare)
Lighting Design Considerations (Glare)
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Study Notes
Artificial Illumination and Daylighting
- Lighting is crucial in architecture, affecting space perception, material textures, and occupant comfort.
- Artificial lighting is often planned later in the design process, potentially compromising ideal design.
- "Design" combines science, art, and human factors for useful lighting in spaces.
- Lighting design incorporates scientific principles, standards, and aesthetic, cultural, and human elements.
- Basic lighting analysis involves understanding energy-efficient lighting options for homes/offices.
Lighting Fundamentals
- Understanding basic lighting principles and terms is essential.
Light Quantity
- Illumination is the distribution of light on a horizontal surface.
- The goal of lighting is to produce illumination.
- Lumen is a measure of visible light energy.
- A 100-watt incandescent lamp roughly produces 1600 lumens.
- Watts measure energy consumption, and are part of the calculation for electricity bills.
Quantity of Illumination
- Lumen is the most common measure of light output/luminous flux.
- Light sources are labeled with lumen outputs (e.g., a 40-watt fluorescent lamp may have 3050 lumens).
- Lamp output decreases over time (lumen depreciation).
- Illuminance: Light intensity measured on a plane, in units of footcandles (work plane lumens per square foot).
- Lux: Metric unit for illuminance (lumens per square meter); 10.764 lux = 1 footcandle.
Brightness
- Luminance: Measures light "leaving" a surface in a particular direction (consideration of illuminance and surface reflectance).
Light Quality
- Glare: Excessive brightness from a light source that hinders the visibility of desired objects.
- Color Temperature: Measures light color, with warmer colors (yellow-red) being lower Kelvin values and cooler colors (blue-green) being higher Kelvin values. (e.g., 2700–3000 K is warm, 3600–5500 K is cool).
- Color Rendition (CRI): Measures a light source's ability to reproduce colors similarly to sunlight (a 1-100 scale; 80 or higher is acceptable for most indoor applications).
Ambient Lighting
- Provides general illumination for daily activities in indoor and outdoor spaces.
Task Lighting
- Provides focused illumination for specific tasks needing more light.
Accent Lighting
- Draws attention to special features and enhances aesthetics in indoor or outdoor environments.
Energy Consumption and Efficacy
- Efficacy is the ratio of light output (lumens) to energy consumption (watts). Higher lumens/watt ratio = higher efficacy.
Lighting Design Principles
- Focus on rooms used most frequently.
- Replace existing fixtures with LED bulbs for increased impact.
- Use layered lighting (ambient, task, accent).
- Consider the room's function and form.
- Use concealed light sources.
- Limit the number of light sources to reduce complexity.
- Employ lighting control and flexibility (sensors, dimmers, remote controls).
Lighting Control and Flexibility
- Lighting controls (sensors, automatic responses) can be beneficial for optimizing energy efficiency and usability.
Cost of Implementation
- Equipment, installation, design, maintenance, energy, and environmental factors are all part of a lighting system.
Installation
- Installation requires licensed electricians or similar professionals in many contexts.
Maintenance
- Proper maintenance of lighting systems may minimize costs by using long-lasting products (e.g., LED).
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Description
This quiz covers essential principles of artificial illumination and daylighting, focusing on their impact in architectural design. It delves into lighting analysis, science, aesthetics, and energy efficiency, crucial for effective space planning. Test your understanding of light quantity, lumens, and the relationship between wattage and illumination.
