This illustration explains the physics behind an efficient chimney system and how it improves airflow inside a fireplace. When a fire burns, it produces hot smoke and gases that naturally rise upward because hot air is lighter than cold air. This upward movement creates a pressure difference, known as the stack effect, which pulls fresh air into the fireplace to keep the fire burning. The narrow section called the throat helps control and direct the rising smoke into the main vertical flue. On t
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This illustration explains the physics behind an efficient chimn…
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Chimneys function based on the principle of convection and air pressure difference. When fuel burns, the hot gases and smoke produced inside become lighter and rise through the chimney. As this hot air moves upward, it creates a low-pressure zone at the base, which draws in cooler, denser air from the surroundings. This cycle, known as the draft effect, ensures a continuous upward airflow that carries smoke, heat, and gases safely out of the structure. The taller the chimney, the stronger this d
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UNIVERSE | SCIENCE | TECHNOLOGY on Instagram: "a chimney works using principles of convection and air pressure, often called the stack effect. The Mechanics of a Chimney Hot Air Rises: The fire within a fireplace heats the air and gases, making them less dense than the surrounding cooler air. This natural buoyancy causes the hot air to rise up the vertical chimney passage. Pressure Difference (Draft): As the hot air and smoke rise and exit the top, a low-pressure zone is created at the base of t
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