Sustainable Hotel Design.ppt
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1、Sustainable Hotel Design,Group 5 Presentation 4Demand/Supply Matching,Where We Are Now,Site C Building Design,North,1st level,Ground level,Reducing Lighting demand,Low lighting Requirement Rooms -50 lux Halls/stairs - 150 lux Restaurant- 150 lux,High lighting Requirement Swimming pool - 300lux Gym -
2、 500 lux Kitchen- 500 lux Office - 500 lux,Lighting Most important factor for safety and comfort,Artificial lighting,Energy used to light building for 20 hours of the day. Lumen method used to gain amount of luminaires, savings: Bedroom 0.5MWh, Restaurant 17.8MWh, Kitchen 35MWh,Minimise demand by us
3、ing energy efficient lamps Replace smaller fittings with Compact fluorescent 20w Replace larger fittings with tubular fluorescent 60w Compare against tungsten 100w filament Energy Reduction = 80% (from efficacy),Natural Day-lighting,Building design optimised for natural daylight Daylight factor calc
4、ulated using protractor Diffuse sky approx 5000lx (200lx available),20%,10%,5%,4%,Control Lighting,Control for bedrooms, (occupants) Dimmer switch. Internal removable shading. Key card system. Control for restaurant, office (control systems) Stepped PSALI and switch off zones Would require light sen
5、sors Master switch/timers,Natural ventilation and Heat Recovery,Natural ventilation As previous designHeat Recovery 60% efficientAll air passes heat exchanger.Need to be easily cleanable for kitchen,Mechanical Ventilation,Mechanical Ventilation Using two Aerofoil bladed centrifugal pump ( 85%) For o
6、utside 0 and inside 30 Swimming pool load for fans= 1kW7290m3/s Saving using heat recovery on heating load =35kWKitchen load for fans=2kW11520m3/s Required to remove contaminants from kitchen.,Fan Power,Previous Simulation,Previously: Base Case 1 zone L-shape modelUsed to determine: Form Orientation
7、 Construction Glazing Area,BASE CASE,L-SHAPE,Zoned Model,Zoned model determines: More accurate demand information Demand profiling Zonal environmental strategiesBedroom Floor area: 32mVentilation :1 ac/hOperations Lighting: 50W Occupancy: 22:00 07:00Design temperature 19-21C (CIBSE Guide B1),Tweakin
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