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Volumn 94, Issue 16, 2009, Pages

Autonomously motile catalytic nanomotors by bubble propulsion

Author keywords

[No Author keywords available]

Indexed keywords

BULK CONCENTRATIONS; CATALYTIC NANOMOTORS; CATALYTIC SURFACES; EXPERIMENTAL DATUM; HYDROGEN PEROXIDE DECOMPOSITIONS; MICRO BEADS; MODEL PREDICTIONS; PROPELLING FORCES; PROPULSION MODELS; SPHERICAL SILICAS;

EID: 65449124251     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3122346     Document Type: Article
Times cited : (312)

References (27)
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    • Chen, Y.1    Groll, M.2
  • 21
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    • The Reynolds number for a bubble sphere can be estimated as Re=ρ v0 D/μ, where ρ is the density of the gas and D is the bubble diameter (Ref.). We use ρ =1000 kg/ m3 for water, D=1 μm (over estimation), and the viscosity of water 1.002 Ns/ m2. Then the velocity of the bubble would have to be roughly 100 m/s, for there to be turbulent flow. We expect that the bubble speed is far less than 100 m/s, which means we are dealing with a very small Reynolds number situation.
    • The Reynolds number for a bubble sphere can be estimated as Re=ρ v0 D/μ, where ρ is the density of the gas and D is the bubble diameter (Ref.). We use ρ =1000 kg/ m3 for water, D=1 μm (over estimation), and the viscosity of water 1.002 Ns/ m2. Then the velocity of the bubble would have to be roughly 100 m/s, for there to be turbulent flow. We expect that the bubble speed is far less than 100 m/s, which means we are dealing with a very small Reynolds number situation.
  • 27
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.