Challenges of Fluid Flow in Absorbing Porous Media ... - FEFlow

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Typical Liquid Handling Tasks in BabyCare DIAPERS WIPES Urine absorb & retain remove (from skin) BM contain & absorb remove (from skin) Lotion melt, release & deposit release & deposit (spread) (spread)(onto skin) (onto skin) Procter & Gamble © 2009
Typical BabyCare Liquids Viscosity Surf. Tension Key ingredients Urine ~1 cP ~50 ... 65 mN/m water, salts, urea, surfactants BM ~10 6 ... 10 15 cP ~30 ... 60 mN/m water, bacteria, fibers, mucins, surfactants, salts Lotion solid at RT low (temp dep.) petrolatum, stearyl alcohol, (Diaper) aloe Lotion ~1 ... 500 cP ~30 ... 65 mN/m Water, silicone (2-3%), (Wipes Wipes) polymer (stabylen), preservatives, surfactant Procter & Gamble © 2009
Page 1 and 2: Challenges of Fluid Flow in Absorbi
Page 3 and 4: • P&G at a glance Outline • Imp
Page 5 and 6: P&G at a Glance First Consumer good
Page 7 and 8: Importance of Modeling & Simulation
Page 9 and 10: Typical Challenges Products must pe
Page 11: Fluid Flow in Absorbent Hygiene Pro
Page 15 and 16: Absorbent Core Modeling ( " + + % ,
Page 17 and 18: Acquisition & Distribution •Nonwo
Page 19 and 20: - . What is AGM? + / + 0 0 + + 0 +
Page 21 and 22: 5 ( ! 6 ) - What is „Gel Blocking
Page 23 and 24: Modeling Fluid Flow in Diaper Cores
Page 25 and 26: Example: Multilayer Core Structure
Page 27 and 28: Typical Challenges • Designs are
Page 29 and 30: Thin Layers - Key Definitions & Rel
Page 31 and 32: Thin Layers - Challenges: Is Darcy
Page 33 and 34: Thin Layers - Challenges: Is Darcy
Page 35 and 36: Thin Layers - Challenges: Lab Chara
Page 37 and 38: sample uptake per layer in g 0.300
Page 39: Thank you! Questions? Procter & Gam

Challenges of Fluid Flow in Absorbing Porous Media ... - FEFlow

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