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Pressure-driven microfluidics
- Author / Creator
- Available as
- Online
- Summary
-
For engineers interested in working in the area of microfluidics, it is critical to have a solid understanding of how fluid flow in microchannels and devices is driven by pressure differences. This...
For engineers interested in working in the area of microfluidics, it is critical to have a solid understanding of how fluid flow in microchannels and devices is driven by pressure differences. This cutting-edge resource provides you with that essential knowledge. Offering you comprehensive and up-to-date details on all aspects of the subject, Pressure Driven Microfluidics presents the basic laws of fluid flow, and goes on to describe sophisticated devices like fluidic amplifiers and oscillators. Moreover, you get in-depth coverage of the various principles of signal and power transformations b
Details
- Creator
- Václav Tesar̆
- Format
- Books
- Language
- English
- Publication
-
- 1st ed
- Boston,[Mass.] ; London : Artech House, 2007
- Physical Details
-
- 1 online resource (422 p.)
- ISBNs
- 9781596931350, 1596931353, 1596931345
- OCLC
- ocn903442133
- Description based upon print version of record.
- Includes bibliographical references and index.
- English
- Contents; Preface; Chapter 1 Introduction and Basic Concepts; 1.1 MEANING AND USE OF MICROFLUIDICS; 1.1.1 Why fluids?; 1.1.2 Why devices without moving parts?; 1.1.3 Why the small size?; 1.2 BASIC PROPERTIES OF DEVICES; 1.2.1 Terminals; 1.2.2 Providing the driving pressure difference; 1.3 FLOW CHARACTERIZATION PARAMETERS; 1.3.1 Character of the flow and the Reynolds number Re; 1.3.2 Scaling down and Re; 1.3.3 Compressibility and the Mach number Ma; 1.3.4 Relation to molecular scale: Knudsen number Kn; 1.3.5 Periodic unsteady flows: Stokes and Strouhal numbers
- 1.4 REGIONS OF OPERATING PARAMETERS IN MICROFLUIDICSReferences; Chapter 2 Basics of Driving Fluid by Pressure; 2.1 PRESSURE AND VELOCITY; 2.2 FLOW RATE AND CHANNEL CROSS-SECTIONS; 2.2.1 Integral state parameter; 2.2.2 Implications of manufacturing technology; 2.3 STATE PARAMETERS; 2.4 DISSIPATION OF FLUID ENERGY; 2.4.1 Conversion ek->eT; 2.4.2 Steady-state characteristic and the characterization parameter Q; 2.4.3 Total dissipation of jet energy; 2.4.3 Dissipation in separated regions; 2.4.5 Friction loss mechanism; 2.4.6 Asymptotic subdynamic regime
- 2.5 STATE PARAMETERS FOR COMPRESSIBLE FLOWS2.6 LAWS OF FLOW BRANCHING; 2.6.1 Branching factors; 2.6.2 Comparison with data for biological branchings; 2.6.3 Optimality criteria dictated by manufacturing technology; 2.7 UNSTEADY FLOW EFFECTS: INERTANCE; 2.8 FLUID ACCUMULATION: CAPACITANCE; 2.8.1 Accumulation mechanisms; 2.8.2 Gravitational capacitance; 2.8.3 Fluid compression capacitance; 2.8.4 Capacitance due to wall elasticity; 2.8.5 Capillary capacitance; References; Chapter 3 Simple Components and Devices; 3.1 CONNECTING CHANNELS; 3.2 AREA CONTRACTIONS AND NOZZLES
- 3.2.1 Characterization: search for a nozzle invariant3.2.2 Generation of free jets and droplets; 3.2.3 Generating submerged jets; 3.3 DIFFUSERS AND COLLECTORS; 3.4 RESTRICTORS: OBSTACLES TO THE FLOW; 3.5 DIODES; 3.5.1 Labyrinth diodes; 3.5.2 Vortex diodes; 3.5.3 Reverse flow diverters; 3.6 REACTORS AND HEAT EXCHANGERS; 3.7 MIXERS; 3.8 THREE-TERMINAL JET PUMP TRANSFORMERS; 3.8.1 Venturi transformers: a nozzle and a diffuser; 3.8.2 Essential facts about jet pump transformers: two nozzles and a diffuser; 3.8.3 Common terminal and different connections into the circuit
- 3.9 TOWARD THE SUBDYNAMIC LIMITReferences; Chapter 4 Valves and Sophisticated Devices; 4.1 LOADING CHARACTERISTICS; 4.1.1 Loading a simple jet-type device; 4.1.2 Passive flow control valves; 4.1.3 Load-switching in a passive Coanda-effect valve; 4.1.4 Passive jet-type pressure regulators; 4.2 FLUIDIC CONTROL ACTION: ACTIVE VALVES; 4.2.1 Jet deflection; 4.2.2 Colliding jets; 4.2.4 Separation and supercirculation; 4.2.5 Displacement; 4.2.6 Fluid "plug"; 4.3 JET DEFLECTION; 4.3.1 The deflection mechanism; 4.3.2 Simplest example of the jet-deflection valve
- 4.3.3 Symmetric proportional control valves