CIBSE Guide A for Environmental design 9783322926999, 3322926990
Guide A: Environmental design provides guidance on design criteria and calculation methods such as fabric performance, h
750 45 41MB
English Pages 372 [341] Year 2006
Table of contents :
Topics covered include:
The design process
Design calculations quality plan
Sources of uncertainty
User issues
Performance assessment methods (pam)
Environmental criteria for design
Notation and definitions
Thermal environment
Modelling thermal comfort
Environmental criteria
Additional factors potentially affecting comfort
Outdoor thermal comfort
Determination of required outdoor air supply rate
Visual environment
Noise
Vibration
Determination of predicted mean vote (pmv)
Measuring operative temperature
External design data
Notation
UK near-extreme weather data
UK cold weather data
UK warm weather data
Wet and dry bulb temperatures
Worldwide weather data
Solar and illuminance data
Wind data
Climate change
Urban heat island effect
Thermal properties of building structures
Notation
Heat losses from buildings
Roofs
Ground floors and basements
Windows
Thermal bypasses
Linear thermal transmittance
Non-steady-state thermal characteristics
Moisture content of masonry materials
Thermal conductivity and thermal transmittance testing
Heat transfer at surfaces
Seasonal heat losses through ground floors
Application of the combined method to multiple layer structures
Calculation method for admittance, decrement factor and surface factor
Properties of materials
Thermal properties of typical constructions
Ventilation and air infiltration
Ventilation and air quality
Ventilating heat loss
Ventilation systems
Natural and mixed mode ventilation
Methods for estimating air infiltration and natural ventilation
Basic pressure coefficient data
Summary of measured air leakage data
Air infiltration development algorithm (aida)
Thermal design, plant sizing and energy conservation
Notation
The role of standards
Relationship to the design process
Design calculation quality plan
Thermal response
Calculation methods for thermal design
Heating plant sizing
Cooling plant sizing
Summertime temperatures in buildings
Building energy demand
Overview of calculation methods
Equations for determination of sensible heating and cooling loads
Calculation of operative and mean radiant temperatures
Banded weather data
Glass and glazing systems
Example calculations
Internal heat gains
Benchmark values for internal heat gains
Occupants
Lighting
Personal computers and office equipment
Electric motors
Cooking appliances
Hospital and laboratory equipment
Heat gain from laboratory animals
Domestic appliances and equipment
Rate of heat gain from restaurant/cooking equipment
Moisture transfer and condensation
Notation
Psychrometry of water vapour in air
Moisture content of materials
Mechanisms of moisture movement
Surface condensation and mould growth
Interstitial condensation
Inside and outside design conditions
Condensation calculations
Control of condensation
Health issues
Thermal discomfort and health implications
Humidity
Air quality and ventilation
Visual environment
Water quality
Electromagnetic effects
Noise and vibration
Communities and health
