natural sciences and architecture

Equinox= equal length of day and nightVernal Solstice= long day, short night Winter Solstice= short day long night,

where earth is static and sun moves from east to west

sun path diagram

Manila is located 14.5 latitude

HydrologyWater Cycle

CORIOLIS FORCEphenomenon where the rotation of the earth deflects air from its path

Earth is tilted on vertical axisby 23 deg. 47 min.

Northeastern windSouthwestern windOct- Jan- AprilMay- Aug- Oct

high pressure to low pressureair is fluidinertia..motionAir flow through least resistance

meteorologyarchitecturesolartimewindtemperaturevegetationtopographyatmosphereman made structure

thermal comfortHuman comfort as determined by the ability of the body to dissipate heat and moisture it produces by metabolic action.BIO climatic ChartRatio of temperature and humidityoverheatedwarmcomfortableunderheatedcold

PASSIVE SYSTEMACTIVE SYSTEMDoesnt have sophisticated mechanical equipmentUses sophisticated mechanical equipmentto induce comfort conditions in the building interiorsInitially expensive building costMaintenance is expensive

hot humidMAX wind exposureMAX internal airflowmin heat gainhot drymin heat gainMod wind resistanceMod internal airflow

cool climateMAX thermal retentionMAX heat gainmin wind resistancetemperateMod thermal retentionMod heat gainMod wind exposureMod internal airflow

air stream pattern