000 02199nam  2200373zi 4500
0019.871138
003CaOODSP
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008190404s1995    onc    #ot   f000 0 eng d
040 |aCaOODSP|beng|erda|cCaOODSP
041 |aeng|bfre
043 |an-cn---
0861 |aEn13-5/95-63E-PDF
1001 |aLau, Y. L., |eauthor.
24510|aRelative importance of mean velocity and bed shear on biofilm accumulation in open-channel flows / |cY.L. Lau.
264 1|aBurlington, Ontario : |bNational Water Research Institute, |c[1995]
300 |a1 online resource (15 unnumbered pages).
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aNWRI contribution ; |v95-63
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references.
520 |a"Experiments on biofilm growth were carried out to investigate whether bottom shear stress or average velocity is more appropriate as a parameter for investigating the effect of flow on biofilm formation in channel flows. The tests were conducted in two identical channels located side by side, using the same water supply. By having different bottom slopes or roughness elements, or both, tests were set up in which the flows in the two channels had equal velocities but different bottom shear stresses or equal bottom shear stresses but different velocities. Porcelain balls were used as bottom roughness elements and the accumulation of biofilm on the balls was monitored. Comparisons of the rates of biofilm accumulation indicate that the average velocity is the more important parameter"--Abstract.
546 |aIncludes abstract in French.
69207|2gccst|aRivers
69207|2gccst|aWater management
7101 |aCanada. |bEnvironment Canada.
7102 |aNational Water Research Institute (Canada)
830#0|aNWRI contribution ;|v95-63.|w(CaOODSP)9.844121
85640|qPDF|s1.42 MB|uhttps://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-95-63-eng.pdf