Abo Bibliothek: Guest
Advanced Course in Heat Exchangers: Theory and Practice. ICHMT Symposium.
1981, Dubrovnik, Croatia

DOI: 10.1615/ICHMT.1981.AdvCourseHeatExch


ISBN Print: 978-0-07062-806-9

Noise and Its Influence on Air Cooled Heat Exchanger Design

pages 383-396
DOI: 10.1615/ICHMT.1981.AdvCourseHeatExch.270
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ABSTRAKT

An equation is derived for air-cooled heat exchangers relating the exchanger air pressure drop, flowrate and density, the fan non-dimensional parameters specific speed and load coefficient and the fan total sound power level. An example is given where a reduction of the total sound power level in excess of 12 dB (re 10−12 W) could be expected for a noise optimized exchanger design in comparison to a lowest annual cost design. A method is presented for readily selecting and comparing different fans for an exchanger.

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