PRESSURE SWELLING TEST, PRESSURE PULSE TEST

PRESSURE SWELLING TESTS and PRESSURE PULSE TESTS

with ambient and fluid temperature control

These tests are used to evaluate the operational and fatigue strength of a wide variety of components (e.g., automotive components in general, e-mobility: battery enclosures) under real-world pressure loads in the form of pressure cycling. The pressure curve is typically sinusoidal or trapezoidal.

Typical test media include coolant (glycol, mixtures of glycol and water), water, oils, air, or fuel.

To simulate more realistic conditions—or as typically defined in the specifications of manufacturers in the automotive sector—pressure tests can be combined with temperature or climate chambers and fluid temperature control.

example for a sinusoidal pressure curve:

pressure impulse curve sine, 8 specimen, 0.2 to 3bars — Sine-wave pressure profile in coolant lines, ranging from 0.1 to 3 bar, at a fluid temperature of approximately 90°C

pressure impule on batterie cases inside a temperature chamber

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