2006
DOI: 10.1016/j.jsv.2006.01.049
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Experimental determination of the tonal noise sources in a centrifugal fan

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Cited by 61 publications
(12 citation statements)
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“…The overall SPLs are the lowest at the BEPs and increase rapidly when the flow rates deviate from the BEP. This result agrees with the findings of Velarde‐Suárez et al 11,12 that the lowest SPL corresponds to the BEP for a forward‐ and a backward‐curved fan. Figure 6b shows that the overall SPLs of fans #VNL–#R1h8 at off‐design flow rate increase relatively slowly.…”
Section: Resultssupporting
confidence: 93%
“…The overall SPLs are the lowest at the BEPs and increase rapidly when the flow rates deviate from the BEP. This result agrees with the findings of Velarde‐Suárez et al 11,12 that the lowest SPL corresponds to the BEP for a forward‐ and a backward‐curved fan. Figure 6b shows that the overall SPLs of fans #VNL–#R1h8 at off‐design flow rate increase relatively slowly.…”
Section: Resultssupporting
confidence: 93%
“…Jeon 25 calculated the effects of design parameters on the performance and noise of a centrifugal fan. Few researchers 2628 have studied the tonal noise sources in centrifugal fans by experimental test.…”
Section: Introductionmentioning
confidence: 99%
“…Neise and Koopmann investigated experimentally a method by which an acoustic resonator can be used to reduce at source the aerodynamic noise generated by turbo machinery [21]. Velarde-Suárez et al carried out an experimental study about the aerodynamic tonal noise sources in a centrifugal fan with backward curved blades [22]. Filleul made measurements of noise from fans designed for military vehicle cooling installations and two fan rotors in particular have been run under varied test conditions [23].…”
Section: Introductionmentioning
confidence: 99%