Airflow Analysis of the Haida Plank House, a Breathing Envelope

The Haida plank house is one of the most important models built by native American Indians. Built on southwest coast Canada, it adapts tradition ancient pit houses to requirements humid and cold climate characteristic Gwaii Islands. This construction composed two main pieces: central covered a wooden envelope. Both protect its dwellers their hearths. ventilation system based solutions: gaps between wall planks smoke hole that can be opened or closed in roof at will. aim present research analyze way these elements arrange indoor airflow order ensure comfortability house. Four cases have been proposed, according four different dimensions for gaps: 1, 2, 3 4 cm. Each case has doubled determine how state affected corresponding results. way, concluded if gaps’ width becomes higher than cm, velocity comfort level would exceeded. It possible observe influences air moves around dwelling.