#fire-testing

A sofa fully engulfed in flames on a weighing platform beneath the stainless-steel exhaust hood of a furniture calorimeter in a fire research laboratory, with gas analyser racks beside it — the setup that measures the heat release rate of burning objects.

📊 Fire Testing July 3, 2026 · 7 min read

Heat Release Rate: Why HRR Is the King of Fire Science

Why heat release rate is the single most important number in fire science: how labs measure it, what it predicts, and why it outranks smoke toxicity.

Cutaway of a cone calorimeter showing the truncated conical heater above a 100 mm specimen, spark igniter, exhaust duct, and oxygen analyser

📊 Fire Testing April 18, 2026 · 16 min read

Cone Calorimeter 101: HRR, THR, and MARHE Explained

What the cone calorimeter measures — heat release rate, total heat release, and MARHE — and why each one matters for fire safety.