![]() Available only if the gas is selected fluid ρ fluid density T temperature Select value to input. The other two will be calculated q volumetric flow rate ṁ mass flow rate V flow velocity Select value to input. Lien V, Vollmer F (2007) Microfluidic flow rate detection based on integrated optical fiber cantilever.Description q - volumetric flow rate Fluid flow rate in terms of units of volume per unit of time ṁ - mass flow rate Fluid flow rate in terms of units of mass per unit of time V - velocity Flow velocity in terms of units of distance per unit of time D - pipe diameter Internal circular pipe diameter H - channel height The height of channel for rectangle shaped pipe W - channel width The width of channel for rectangle shape pipe A - area Internal pipe cross section area ρ - fluid density Mass per unit of volume T - temperature Fluid temperature for gas density calculation based on the ideal gas state equation p - pressure Fluid pressure at the start of the pipe for gas density calculation based on the ideal gas state equation R - gas constant Gas constant in terms of energy per unit of mass and temperature, for gas density calculation using ideal gas state equation ν - kinematic viscosity Result of fluid particles colliding to each other and moving at different velocities in terms of area per square unit of time μ - dynamic viscosity Result of fluid particles colliding to each other and moving at different velocities in terms of mass per square unit of distance and time Re - Reynolds number Dimensionless number representing viscous versus inertial forces ratio Calculation setup Select value to input. Katayama K, Uchimura H, Sakakibara H, Kikutani Y, Kitamori T (2007) In situ microfluidic flow rate measurement based on near-field heterodyne grating method. Lee GB, Kuo TY, Wu WY (2002) A novel micromachined flow sensor using periodic flapping motion of a planar jet impinging on a V-shaped plate. Lab Chip 5(12):1344–1347Ĭzaplewski DA, Ilic BR, Zalalutdinov M, Olbricht WL, Zehnder AT, Craighead HG, Michalske TA (2004) A micromechanical flow sensor for microfluidic applications. Wu J, Ye J (2005) Micro flow sensor based on two closely spaced amperometric sensors. ![]() Lab Chip 4(1):7–10Īmatore C, Belotti M, Chen Y, Roy E, Sella C, Thouin L (2004) Using electrochemical coupling between parallel microbands for in situ monitoring of flow rates in microfluidic channels. Meas Sci Technol 14(8):1321–1327Ĭollins J, Lee AP (2004) Microfluidic flow transducer based on the measurement of electrical admittance. Analyst 128(6):543–546Īyliffe HE, Rabbitt RD (2003) An electric impedance based microelectromechanical system flow sensor for ionic solutions. Nakagama T, Maeda T, Uchiyama K, Hobo T (2003) Monitoring nano-flow rate of water by atomic emission detection using helium radio-frequency plasma. Markov DA, Dotson S, Wood S, Bornhop DJ (2004) Noninvasive fluid flow measurements in microfluidic channels with backscatter interferometry. Wu JA, Sansen W (2002) Electrochemical time of flight flow sensor. Scholer L, Lange B, Seibel K, Schafer H, Walder M, Friedrich N, Ehrhardt D, Schonfeld F, Zech G, Bohm M (2005) Monolithically integrated micro flow sensor for lab-on-chip applications.
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