Worlds of David Darling
Encyclopedia of Science
   
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  • dam
  • damper
  • Darrieus turbine
  • daylighting
  • dc-to-dc converter
  • decentralized (energy) system
  • deciduous forest
  • declination
  • decomposition
  • deep-cycle battery
  • deep discharge
  • deep lake water cooling
  • deforestation
  • degree day
  • degree hour
  • dehumidifier
  • dehumidifying heat pipe
  • demand
  • demand (tankless) water heater
  • depth of discharge
  • Deriaz turbine
  • desalination
  • desert
  • desertification
  • desiccant cooling
  • desiccation
  • design heating load
  • design life
  • design temperature
  • design tip speed ratio
  • design voltage
  • desuperheater
  • dewpoint
  • diesel fuel
  • differential thermostat
  • diffuse insolation
  • diffusion
  • digester (anaerobic)
  • dimmer
  • diode
  • dioxins
  • dip tube
  • direct beam radiation
  • direct gain
  • direct insolation
  • direct methanol fuel cell
  • direct solar water heater
  • direct vent heater
  • direct water heater
  • direct-vent fireplace
  • discharge rate
  • dishwasher effiency tips
  • distributed generation
  • distribution
  • distribution line
  • distribution system
  • donor
  • doorway fan
  • dopant
  • doping
  • double wall heat exchanger
  • double-glazed window
  • dovetail saw
  • downwind wind turbine
  • dozuki
  • draft
  • draft diverter
  • draft hood
  • drainback (solar) system
  • draindown (solar) system
  • drill
  • drilled hydrothermal energy
  • drip irrigation
  • drought
  • dry farming
  • dry rot
  • dry steam geothermal plant
  • drywall cutting tools
  • drywall hammer
  • drywall keyhole saw
  • drywall rip saw
  • dual-fuel heat pump
  • dual-fuel vehicle
  • duct
  • duct booster fan
  • duct design and installation
  • duct insulation
  • duct problems
  • duct sealing
  • duct upgrading and maintenance
  • ductless mini-split heat pump
  • duty cycle
  • dynamo
  • dynamometer
  • dyne