The MEMS Handbook MEMS Applications (2nd Ed) - M Gad el Hak Episode 1 Part 1 ppt

... preclude Microscale Vacuum Pumps 8-2 1 0 .1 1 10 10 0 p I mTorr 10 11 10 12 10 13 10 − 14 10 15 10 16 10 17 10 − 11 10 12 10 13 10 14 10 15 10 16 10 17 V p /N • V p /N MIcro /Meso • V p /N Macro • Q/ ... Applications SP PER RB CL RV DR 1. E+00 1. E+02 1. E+04 1. E+06 1. E+08 1. E +10 1. E +12 1. E−22 1. E− 21 1.E−20 1. E 19 1. E...

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... Spreaders 1 1- 2 5 Modeling of Micro Heat Spreaders • Testing of Micro Heat Spreaders • Fabrication of Micro Heat Spreaders 11 .5 New Designs 1 1- 2 8 11 .6 Summary and Conclusions 1 1- 3 2 11 .1 Introduction A ... Spreaders 11 .1 Introduction 1 1- 1 Fundamentals of Heat Pipe Operation 11 .2 Individual Micro Heat Pipes 1 1- 1 0 Modeling Micro Heat Pipe Performance • Tes...

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... 12 0 14 0 16 0 Length of the film, mm Exp. Model 2 Model 1 Q max , W FIGURE 11 .17 Comparison of the modeling and experimental results on microchanneled polymer films.(Reprinted with permission from ... capillary pumping while optimizing the thin film region of the meniscus in order to maximize the heat flux [Wayner et al. 19 76; Peterson and Ma, 19 96b, 19 99; Peterson and...

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... Ϫ ᎏ ͙ 1 2 ෆ ᎏ ) L, will then be driven by this sur- face flow above the electrodes. ͙ 2 ෆ ᎏ 2 9 -1 2 MEMS: Applications −20 10 0 10 20 −20 10 0 10 20 (b) −20 10 0 10 20 −30 −20 10 0 10 20 30 (a) −20 ... field-induced dipoles at the dielectric particle or cell surface. If the dynamic polarization is due entirely to the normal field and is fast compared to the period...

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... of the boiling pattern. Microchannel Heat Sinks 1 2 -1 9 0 50 10 0 15 0 200 250 300 0 10 15 20 x (mm) T (°C) 0 mL/min (0 kPa) 0.25 mL/min (80 kPa) 1. 1 mL/min (16 0 kPa) 1. 8 mL/min (320 kPa) Device I, ... (e.g., the U.S. National Aerospace Plane) provides new challenges for researchers in the field of flow control. The three books by Gad- el- Hak et al. (19 98), Gad- e...

Ngày tải lên: 10/08/2014, 02:21

... order, Gad- el- Hak and Blackwelder (19 87b; 19 89), Lumley (19 91; 19 96), Choi et al. (19 92), Reynolds (19 93), Jacobson and Reynolds (19 93a; 19 93b; 19 94; 19 95; 19 98), Gad- el- Hak (19 93; 19 94; 19 96; 19 98; ... others, Bushnell (19 83; 19 94); Wilkinson et al. (19 88); Bushnell and McGinley (19 89); Gad- el- Hak (19 89; 2000); Bushnell and Hefner (19 90); Fie...

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... Jet: U j = 210 m/ s [M j = 0.6] 0.05 0.07 0 .10 x/D Forcing frequency f (Hz) f u′u′ (m 2 /s 2 Hz) 10 –6 10 –5 10 –4 10 –3 10 –2 10 1 10 0 10 –6 10 –5 10 –4 10 –3 10 –2 10 1 10 0 0 5000 10 000 15 000 ... amplitude 0 1 4 8 1 9 2 13 5 22.5° Axisymmetric Helical (m= 1) m 0 500 10 00 15 00 2000 2500 3000 5 10 15 Helical mode phase 1 4 8 φ 1 (...

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... a 1 5-3 2 MEMS: Applications X mm 0 5 10 15 20 (a) X mm 0 5 10 15 20 (b) X mm 0 5 10 15 20 (c) X mm 0 5 10 15 20 (d) FIGURE 15 .38 Phase-averaged stream line plots at different phases of the forcing ... result the sensor Towards MEMS Autonomous Control of Free-shear Flows 1 5-2 9 MEMS sensor and actuator array MEMS sensors Dynamic separation Reattachment Flow FIG...

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... Group, LLC 12 Microchannel Heat Sinks Yitshak Zohar 1 2 -1 13 Flow Control Mohamed Gad- el- Hak 1 3 -1 14 Reactive Control for Skin-Friction Reduction Haecheon Choi 1 4 -1 15 Toward MEMS Autonomous Control ... Plummer 4 -1 5 Microactuators Alberto Borboni 5 -1 6 Sensors and Actuators for Turbulent Flows Lennart Löfdahl and Mohamed Gad- el- Hak 6 -1 7 Microrobotic...

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... In monolithically integrated technology, the 2-2 2 MEMS: Applications 0 5 10 15 20 10 0 11 0 12 0 13 0 14 0 15 0 Damping Ratio ξ = 0.0 ξ = 0 .1 ξ = 1. 0 ξ = 1. 5 Beam length ( m) Maximum deflection ( m) FIGURE ... operation. 2mgh ᎏ k 2-2 0 MEMS: Applications 0 0.05 0 .1 0 .15 0.2 1 −0.5 0 0.5 1 Temperature T = 90°C T = 25°C T = −40°C Distance from die center (...

Ngày tải lên: 10/08/2014, 02:21