LDD

(redirected from Luminaire Dirt Depreciation)
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AcronymDefinition
LDDLijst Dedecker (Political party, Vlaanderen, Belgium)
LDDLewis Dot Diagram (atoms)
LDDLiving Dead Dolls
LDDLogical Device Driver
LDDLogical Dos Drive
LDDLanguage Data Definition
LDDLinear Delay Distortion
LDDLens Data Display
LDDLoad and Decrement
LDDLaser Diode Drive
LDDLEGO Digital Designer
LDDLegal Due Diligence
LDDLarge Diameter Drilling (UK)
LDDLand Development Desktop (Autodesk AutoCAD)
LDDLoving Domestic Discipline
LDDLangage de Description de Données (French: Data Description Language)
LDDLearning Difficulties and Disabilities
LDDLand Development Division (various locations)
LDDLimited Distribution Drugs (medication protocol)
LDDLight Duty Detergent
LDDLaser Diode Driver
LDDLocal Development Document
LDDLinux Device Driver
LDDLeast Detectable Dose
LDDLuminaire Dirt Depreciation
LDDLightly Doped Drain
LDDLow Dose Dexamethasone (drug)
LDDLhermitte-Duclos Disease
LDDLotus Developer Domain
LDDLight-Duty Diesel
LDDLong-Distance Dad
LDDLogical Document Determination (legal)
LDDLoss, Damage, or Destruction
LDDLong-Distance Dads (various organizations)
LDDLogical Data Dictionary
LDDLexmark Document Distributor
LDDLegion of Dynamic Discord
LDDLatency Driven Distribution
LDDLes Développements Durables (Bayonne, Pays Basque)
LDDLittle Deluded Dupes
LDDLong Distance Dependency
LDDLarge Digit Display (electronics)
LDDLinear Decorrelating Detector
LDDLiquid Dish Detergent
LDDLow-Delay Data
LDDLunar Dust Detector
LDDLong Distance Division (Sprint)
LDDLivestock Development Department
LDDLaser Designator Detector
LDDLeeson Digital Designs
LDDLetter of Determination of Dependency
LDDLogic Design Data
LDDLicensed Direct Disposer (cremation services)
LDDLight Division Direct Support
LDDLogistics Decision Diagram
LDDLogic Decision Diagram
LDDLogistics Development Data
LDDLectura Diaria (Spanish)
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References in periodicals archive ?
The main questions are: Are the luminaire dirt depreciation projections in RP-36 accurate?
In contrast to factors that negatively affect uniformity, an increase in luminaire dirt depreciation over time will diffuse the luminous intensity distribution.
Recoverable LLFs include lamp lumen depreciation, luminaire dirt depreciation, and lamp burnout.
Another is luminaire dirt depreciation, the fixture's ability to resist dirt build-up on light reflecting surfaces and lamps.
Interior planners often add up to 25 percent more lamps to correct for both lamp lumen and luminaire dirt depreciation.
Participants learn to avoid making poor lighting decisions by understanding lumen maintenance, lamp lumen depreciation, luminaire dirt depreciation, ambient temperature effects and the pro-ration of IES files, to name a few.
Recoverable light losses included Lamp Burnout Depreciation, Room Surface Dirt Depreciation, Lamp Lumen Depreciation and Luminaire Dirt Depreciation (LDD).
LED luminaires, with their greatly extended service life, are not immune to luminaire dirt depreciation or lumen depreciation.