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A dual media filter contains 0.4 m of sand with effective size 0.55 mm and 1.4 m of anthracite with effective size 1.2 mm. The sand and anthracite have density of 2650 kg/m³ and 1700 kg/m³, respectively. The filtration rate is 10 m/h, and the design temperature is 10 C (p = 999.7 = kg/m³, 1.31 x 103 kg/m-s). Determine the head loss (m) through the filter. Use the Ergun equation and the midpoint Ergun parameters for sand (ky = 112, k; = 2.2, & = 0.42) and anthracite (ky 228, k; 4.4, & 50%). B

A dual media filter contains 0.4 m of sand with effective size 0.55 mm and 1.4 m of anthracite with effective size 1.2 mm. The sand and anthracite have density of 2650 kg/m³ and 1700 kg/m³, respectively. The filtration rate is 10 m/h, and the design temperature is 10 C (p = 999.7 = kg/m³, 1.31 x 103 kg/m-s). Determine the head loss (m) through the filter. Use the Ergun equation and the midpoint Ergun parameters for sand (ky = 112, k; = 2.2, & = 0.42) and anthracite (ky 228, k; 4.4, & 50%). B

Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.8P
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A dual media filter contains 0.4 m of sand with effective size 0.55 mm and 1.4 m of anthracite with effective size 1.2 mm. The sand and anthracite have density of 2650 kg/m³ and 1700 kg/m³, respectively. The filtration rate is 10 m/h, and the design temperature is 10 C (p = 999.7 = kg/m³, 1.31 x 103 kg/m-s). Determine the head loss (m) through the filter. Use the Ergun equation and the midpoint Ergun parameters for sand (ky = 112, k; = 2.2, & = 0.42) and anthracite (ky 228, k; 4.4, & 50%). B
Transcribed Image Text:A dual media filter contains 0.4 m of sand with effective size 0.55 mm and 1.4 m of anthracite with effective size 1.2 mm. The sand and anthracite have density of 2650 kg/m³ and 1700 kg/m³, respectively. The filtration rate is 10 m/h, and the design temperature is 10 C (p = 999.7 = kg/m³, 1.31 x 103 kg/m-s). Determine the head loss (m) through the filter. Use the Ergun equation and the midpoint Ergun parameters for sand (ky = 112, k; = 2.2, & = 0.42) and anthracite (ky 228, k; 4.4, & 50%). B
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