air the basics of natural mixed mode …...2010/08/05 · tariq alexander qaiser aug. 05, 2010...
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
HEALTHCARE DESIGN RESOURCE INDUS HOSPITAL, KARACHI PAKISTAN
TARIQ ALEXANDER QAISERTAQ ASSOCIATES. ARCHITECTURE & INTERIOR DESIGN
KARACHI ‐ PAKISTAN
AIR AIR & THE BASICS OF& THE BASICS OF
NATURAL & MIXED MODE VENTILATIONNATURAL & MIXED MODE VENTILATIONAUGUST 2010
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
AIR AIR THEORY IN PRACTICETHEORY IN PRACTICE
BUOYANCY, STACK EFFECT, THERMAL FORCESBUOYANCY, STACK EFFECT, THERMAL FORCESHOT AIR RISESHOT AIR RISES
PRESSURE DIFFERENTIAL, WIND PRESSURE, MECHANICAL FANSPRESSURE DIFFERENTIAL, WIND PRESSURE, MECHANICAL FANSAIR WANTS TO MOVE FROM HIGH (+) TO LOW (AIR WANTS TO MOVE FROM HIGH (+) TO LOW (‐‐) PRESSURE) PRESSURE
AIR FLOWS THROUGH SPACESAIR FLOWS THROUGH SPACESAIR ALLOWS OBJECTS TO FLOATAIR ALLOWS OBJECTS TO FLOAT
BASICS OF NATURAL VENTILATIONBASICS OF NATURAL VENTILATION
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONBAHRAINBAHRAIN
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONIRANIRAN
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONOLD HYDERABAD, PAKISTANOLD HYDERABAD, PAKISTAN
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONOLD HYDERABAD, PAKISTANOLD HYDERABAD, PAKISTAN
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
BASICS OF NATURAL VENTILATIONBASICS OF NATURAL VENTILATION
Dilution of air is paramount in controlling airborne infections
REDUCE CONCENTRATION OF INFECTIOUS AIR BORNE PARTICLES
Provide a Maximum no of Air ChangesMinimum 12 AIR CHANGES per hour
WIND CATCHER
CLEAN AIR IN DIRTY AIR CLEAN AIR IN DIRTY AIR OUT OUT
LEAVE WINDOWS OPEN !!Possible in Warmer Temperate Climates Effective in Areas of Consistent Wind
WIND STACK
CROSS VENTILATION
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
BASICS OF NATURAL VENTILATIONBASICS OF NATURAL VENTILATIONCROSS FLOW VENTILATIONCROSS FLOW VENTILATION
Source Hal Levin, & AIVC (AIR INFILTRATION AND VENTILATION CENTER)
SINGLE SIDED VENTILATIONHEIGHT 1 HDEPTH MAX 2.5 H
CROSS FLOW ROOMS
HEIGHT 1 HDEPTH (MAX) 5 H
VENTILATION THROUGHVENTILATORS OVER WINDOWS & DOORS
NATURAL VENTILATION, SIMPLE,MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
BASICS OF NATURAL VENTILATIONBASICS OF NATURAL VENTILATIONCROSS FLOW VENTILATIONCROSS FLOW VENTILATIONALLOW AIR TO FLOW THROUGH SPACES,
LEAVE WINDOWS OPEN!
‐NEGATIVE PRESSURE INSIDE
+POSITIVE PRESSURE INSIDE
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++
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NATURAL VENTILATION, SIMPLE,MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
BASICS OF NATURAL VENTILATIONBASICS OF NATURAL VENTILATIONWIND CATCHER / WIND SCOOPWIND CATCHER / WIND SCOOPALLOW AIR TO FLOW INTO A WIND SCOOP
WIND PRESSURE WILL PUSH AIR DOWN INTO THE STACK. & OUT THROUGH WINDOWS
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
THE WIND CATCHERTHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan
WINDWARD SIDE LEEWARD SIDE
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
SOUTH EAST, AREAL VIEW, LEEWARD SIDETHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 12
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
SOUTH EAST, AREAL DIAGRAM, LEEWARD SIDETHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 13
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
SOUTH WEST, AREAL DIAGRAM, WINDWARD SIDETHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 14
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
THE WIND CATCHER, SOUTH EAST AREALTHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 15
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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WIND CATCHERS IN A SCHOOL AUDITORIUMWIND CATCHERS IN A SCHOOL AUDITORIUM
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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WIND CATCHERS IN A SCHOOL AUDITORIUMWIND CATCHERS IN A SCHOOL AUDITORIUM
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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WIND CATCHERSWIND CATCHERSIN A SCHOOLIN A SCHOOL
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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WIND CATCHERS & OUTLETSWIND CATCHERS & OUTLETSIN A SCHOOLIN A SCHOOL
NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
THE MDR TB OPD CLINICS AT INDUS HOSPITALTHE MDR TB OPD CLINICS AT INDUS HOSPITAL
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
THE MDR TB OPD CLINICS AT INDUS HOSPITALTHE MDR TB OPD CLINICS AT INDUS HOSPITAL
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
BASICS OF NATURAL VENTILATIONBASICS OF NATURAL VENTILATIONSUCTION STACK VENTILATIONSUCTION STACK VENTILATION
ALLOW AIR TO FLOW THROUGH A WIND TOWER, A STACK,NEGATIVE ( LOW ) PRESSURE WILL SUCK AIR UP & INTO THE STACK. PULLING AIR IN THROUGH WINDOWS
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
BASICS OF NATURAL VENTILATIONBASICS OF NATURAL VENTILATIONHOT AIR STACK VENTILATIONHOT AIR STACK VENTILATION
ALLOW THE SUN TO HEAT THE AIR IN THE STACK,HOT AIR RISES , CREATING A CONVECTION CURRENT, THUS PULLING AIR IN THROUGH WINDOWS.
NATURAL VENTILATION, SIMPLE,MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION IN THE NEW TBNATURAL VENTILATION IN THE NEW TB‐‐OPD AT INDUSOPD AT INDUSSUCTION STACK
Allow air to flow through the top of stackThis creates a negative pressure at the neck.
Air is sucked up and out.
NATURAL VENTILATION, SIMPLE,MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION IN THE NEW TBNATURAL VENTILATION IN THE NEW TB‐‐OPD AT INDUSOPD AT INDUS
METAL SHEET HEATED BY SUNLIGHTCONVECTION STACK
Allow the sun to heat air in the upper levels of the stack. This creates a negative pressure at the neck. The hot air rises and lower level
air is sucked up and out.
NATURAL VENTILATION, SIMPLE,MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, IN A BUILDINGNATURAL VENTILATION, IN A BUILDINGTHE QUAD DIRECTIONAL WIND DEFLECTORWind is deflected down towards lower spaces. This design allows wind from all directions to be brought into the building.
NATURAL VENTILATION, SIMPLE,MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
THE QUAD DIRECTIONAL WIND CATCHERWind is deflected down towards lower spaces. This design allows wind from all directions to be brought into the building.
NATURAL VENTILATION, IN A SCHOOLNATURAL VENTILATION, IN A SCHOOL
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, IN A RESIDENCENATURAL VENTILATION, IN A RESIDENCE
THE QUAD DIRECTIONAL WIND STACKWind passes through openings on opposing surfaces. Sunlight heats the air through the glass block.Hot air rises and passes out of the operable windows in the stack
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATION, IN A RESIDENCENATURAL VENTILATION, IN A RESIDENCE
THE OPEN TO SKY FOYERA removable rain cover over the entry foyer allows for air to rise out of the house. The prevalent breeze flows over the pool and garden, cooling the courtyard and rooms surrounding it. An attempt has been made to create a micro climate in the courtyard garden. And front entrance
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
ISOLATION HUTS AT OJHA HOSPITAL KARACHIBuilt around 1940
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
NATURAL VENTILATIONASSISTED
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
WIND CATCHER
WIND STACK
WIND EXTRACTOR
FORCED VENTILATION
FANS & NATURAL VENTILATION
DIRECTIONAL AIRFLOW IN A CORRIDOR
USE FANS TO: Mix air, Push air into spaces,Suck air out of spaces,Move air in a desired direction
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
BASICS OF ASSISTED NATURAL VENTILATIONBASICS OF ASSISTED NATURAL VENTILATION
WIND CATCHER / WIND SCOOPWIND CATCHER / WIND SCOOP
SUCTION STACK VENTILATIONSUCTION STACK VENTILATION
FORCE AIR TO FLOW INTO A WIND SCOOP
AIR PRESSURE WILL PUSH AIR DOWN INTO THE STACK. & OUT THROUGH
WINDOWS
PULL AIR INTO A WIND TOWER, A STACK,NEGATIVE ( LOW ) PRESSURE WILL SUCK AIR UP & INTO THE STACK. PULLING AIR
IN THROUGH WINDOWS
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
“THE WHIRLY BIRD” ‐ TURBINE VENTS ‐ WIND EXTRACTORSLIDE; PAUL JENSEN, CDC .
At a wind speed of Aprox. 9 miles / hour,A 30 inch Diameter Whirly Bird can provide over 35 Air Changes per Hour, in a 150 sqft room
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
THE EXHAUST FAN: In series, as a creator of directional breezeTHE EXHAUST FAN: In series, as a creator of directional breeze
THE MDR TB OPD CLINICS AT INDUS HOSPITTHE MDR TB OPD CLINICS AT INDUS HOSPITALAL
NATURAL VENTILATION, SIMPLE, MODERATE & MIXED MODETHE INDUS HEALTHCARE DESIGN RESOURCE, KARACHI, PAKISTAN
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NATURAL VENTILATION,SIMPLE MODERATE & MIXED MODETARIQ ALEXANDER QAISER
AUG. 05, 2010
TARIQ ALEXANDER QAISER, TAQ ASSOCIATES PVT.(LTD)‐ ARCHITECTURE & INTERIOR DESIGNADD: 7G, BLOCK 6 PECHS, KARACHI , PAKISTAN ‐ 0092‐21‐454150 [email protected].
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