Gholam Reza Sinambari

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Prof. Dr. Gholam Reza Sinambari (Persian: غلامرضا سینمبری , born in Tehran, Iran) is an Iranian engineer and university professor.

He moved to Germany and studied there. Now he is Head of Department of Environmental Engineering at the Fachhochschule Bingen (Germany) - University of Applied Sciences.

[edit] Soundproofing material

Sinambari is the inventor of Soundproofing material.^{[citation needed]} A soundproofing material made of nonwoven materials containing thermoplastic fibers for the acoustic frequency range of 100 to 5000 Hz is characterized in that the nonwoven material is permanently compacted to a specific flow resistance of RS=800-1400 Ns/m.sup.3 in two stages by a mechanical compaction process and a subsequent pressure/heat treatment.