Institute VINČA

Snapshot

Why it matters internationally

VINČA is a significant specialist institution in the field of high-temperature emissivity of metals and alloys through the direct pulse-heating approach. Pulse-heating-based emissivity work belongs to a lineage of high-temperature thermophysical-property measurement where transient methods, rapid heating, and conductive materials are central. VINČA is therefore important not as a broad-spectrum emissivity center, but as a highly relevant high-temperature specialist laboratory occupying a valuable methodological niche.

Scope of activity

Relevant activity

• High-temperature thermophysical-property measurement — direct pulse heating. A dedicated experimental program for simultaneous determination of thermal, electrical, and radiative properties of electrically conductive materials.

Radiative properties measured

Hemispherical total emissivity · normal spectral emissivity — measured simultaneously with specific heat and electrical resistivity during the pulse-heating event.

Capability envelope

• Temperature: wide high-temperature range accessible to metals and alloys through rapid resistive heating.
• Methodology: direct pulse-heating / pulse calorimetry. The method is particularly well suited to conductive refractory materials that are difficult to measure with furnace-based techniques.

Application domains

• Metals and alloys at high temperature
• Refractory and conductive materials
• Fast-heating / transient thermal regimes
• Systems where self-heating and rapid thermalization are experimentally convenient

IR-EMPOWER contributions

• Nenad Milošević — hemispherical total and normal spectral emissivity measurement of metals and alloys over a wide high-temperature range by the direct pulse-heating technique.

Why VINČA is a reference pole

Direct pulse-heating is one of the few techniques that deliver consistent radiative-property data for conductive materials at temperatures where furnace methods struggle. VINČA’s sustained use of this approach makes it the natural reference point for the high-temperature metallic branch of the emissivity community, complementing optical and laser-heating methods used elsewhere.

External sources

• IR-EMPOWER preliminary program — EHU