AIR THE BASICS OF NATURAL MIXED MODE …...2010/08/05 · TARIQ ALEXANDER QAISER AUG. 05, 2010...

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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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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AUG. 05, 2010

PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONBAHRAINBAHRAIN


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AUG. 05, 2010

PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONIRANIRAN


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AUG. 05, 2010

PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONOLD HYDERABAD, PAKISTANOLD HYDERABAD, PAKISTAN


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AUG. 05, 2010

PASSIVE COOLING & NATURAL VENTILATIONPASSIVE COOLING & NATURAL VENTILATIONOLD HYDERABAD, PAKISTANOLD HYDERABAD, PAKISTAN


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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


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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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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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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


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AUG. 05, 2010

THE WIND CATCHERTHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan

WINDWARD SIDE LEEWARD SIDE

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AUG. 05, 2010

SOUTH EAST, AREAL VIEW, LEEWARD SIDETHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 12


AUG. 05, 2010

SOUTH EAST, AREAL DIAGRAM, LEEWARD SIDETHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 13


AUG. 05, 2010

SOUTH WEST, AREAL DIAGRAM, WINDWARD SIDETHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 14


AUG. 05, 2010

THE WIND CATCHER, SOUTH EAST AREALTHE TCF SCHOOL, BABA ISLAND, Karachi. Pakistan 15


AUG. 05, 2010


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WIND CATCHERS IN A SCHOOL AUDITORIUMWIND CATCHERS IN A SCHOOL AUDITORIUM


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WIND CATCHERS IN A SCHOOL AUDITORIUMWIND CATCHERS IN A SCHOOL AUDITORIUM


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WIND CATCHERSWIND CATCHERSIN A SCHOOLIN A SCHOOL


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WIND CATCHERS & OUTLETSWIND CATCHERS & OUTLETSIN A SCHOOLIN A SCHOOL


AUG. 05, 2010

THE MDR TB OPD CLINICS AT INDUS HOSPITALTHE MDR TB OPD CLINICS AT INDUS HOSPITAL


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AUG. 05, 2010

THE MDR TB OPD CLINICS AT INDUS HOSPITALTHE MDR TB OPD CLINICS AT INDUS HOSPITAL


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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


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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.


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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.


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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.


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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.


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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


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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


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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


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AUG. 05, 2010

ISOLATION HUTS AT OJHA HOSPITAL KARACHIBuilt around 1940


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NATURAL VENTILATIONASSISTED


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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


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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


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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


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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


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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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AIR THE BASICS OF NATURAL MIXED MODE …...2010/08/05 · TARIQ ALEXANDER QAISER AUG. 05, 2010...

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