Transient response of thermocapillary pumping of a droplet in a micro heat engine
Atlas use: this paper is cited as evidence by 2 claims and 1 named pathway. Not yet checked against Crossref.
Full text read (author copy, Memorial University repository). A micro heat engine fabricated on a PZT substrate with Ti-W microheaters: heat supplied by the heaters drives thermocapillary pumping of a droplet plug along a closed 60 × 60 × 15,000 μm channel, and the plug's pressure is to deflect a piezoelectric membrane. The experiments characterise the microheaters (four-point probe, heat flux 1.2–120 μW m⁻² per channel) and the droplet motion; the membrane deflection, the 1.2–1.3 mV (0.5 mV for a 300 nm membrane) and the ≈ 1.6 % efficiency are simulation results for that geometry, not measurements. Earlier droplet-motion experiments: Odukoya & Naterer 2010; Yang, Odukoya & Naterer 2010.
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- Temperature gradient → Marangoni effect → Fluid flow → Aerodynamic and hydrodynamic lift → Mechanical motion → Mechanical work4/5 established
- Temperature gradient → Marangoni effect → Fluid flow → Streaming potential → Ionic current → Electrical work4/5 established
- Surface energy difference → Marangoni effect → Fluid flow → Aerodynamic and hydrodynamic lift → Mechanical motion → Mechanical work4/5 established
- Surface energy difference → Marangoni effect → Fluid flow → Streaming potential → Ionic current → Electrical work4/5 established
- Temperature gradient → Marangoni effect → Pressure gradient → Aerodynamic and hydrodynamic lift → Mechanical motion → Mechanical work4/5 established
- Temperature gradient → Marangoni effect → Pressure gradient → Streaming potential → Ionic current → Electrical work4/5 established
- Surface energy difference → Marangoni effect → Pressure gradient → Aerodynamic and hydrodynamic lift → Mechanical motion → Mechanical work4/5 established
- Surface energy difference → Marangoni effect → Pressure gradient → Streaming potential → Ionic current → Electrical work4/5 established
- Temperature gradient → Marangoni effect → Pressure gradient → Elastic deformation → Mechanical stress or strain → Elastocaloric effect → Cooling4/6 established
- Temperature gradient → Marangoni effect → Pressure gradient → Elastic deformation → Mechanical stress or strain → Elastocaloric effect → Useful heat4/6 established
- Surface energy difference → Marangoni effect → Pressure gradient → Elastic deformation → Mechanical stress or strain → Elastocaloric effect → Cooling4/6 established
- Surface energy difference → Marangoni effect → Pressure gradient → Elastic deformation → Mechanical stress or strain → Elastocaloric effect → Useful heat4/6 established
first 12 of 62 routes shown
Claims citing this source · 2
Named pathways citing this source · 1
Cite this source
Physical Transformation Atlas (2026). source source:odukoya-naterer-2013-thermocapillary-mhe: Transient response of thermocapillary pumping of a droplet in a micro heat engine. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/source/odukoya-naterer-2013-thermocapillary-mhe
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