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average+flow+rate

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  • Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… …   Wikipedia

  • rate — 1. A record of the measurement of an event or process in terms of its relation to some fixed standard; measurement is expressed as the ratio of one quantity to another ( e.g., velocity, distance per unit …   Medical dictionary

  • Rate of return — In finance, rate of return (ROR), also known as return on investment (ROI), rate of profit or sometimes just return, is the ratio of money gained or lost (whether realized or unrealized) on an investment relative to the amount of money invested.… …   Wikipedia

  • rate — The cost of debt service paid by a borrower or issuer to a lender or investor. The rate is expressed as an annual percentage of the amount borrowed. For some notes and bonds that pay interest semiannually, the semiannual interest due to the… …   Financial and business terms

  • Rate of heat flow — The rate of heat flow between two systems is measured in watts (joules per second).ExampleAssume there are two systems with the same mass and specific heat. System A has an average temperature of 500 kelvins and system B has an average… …   Wikipedia

  • Average stream flow —   The rate, usually expressed in cubic feet per second, at which water passes a given point in a stream over a set period of time.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

  • Plug flow reactor model — The plug flow reactor (PFR) model is used to describe chemical reactions in continuous, flowing systems. The PFR model is used to predict the behaviour of chemical reactors, so that key reactor variables, such as the dimensions of the reactor,… …   Wikipedia

  • Traffic flow — The mathematical or engineering study of traffic flow, and in particular vehicular traffic flow, is done with the aim of achieving a better understanding of these phenomena and to assist in the reduction of traffic congestion problems.The first… …   Wikipedia

  • Heat capacity rate — The heat capacity rate is heat transfer terminology used in thermodynamics and different forms of engineering denoting the ability of a fluid to resist change in temperature as heat transfer occurs. It is typically denoted as C, listed from… …   Wikipedia

  • maximum midexpiratory flow — the average rate of airflow measured between exhaled volumes of 25 and 75 per cent of the vital capacity during a forced exhalation. See also forced expiratory f. Called also maximal midexpiratory f. and maximal or maximum midexpiratory flow rate …   Medical dictionary

  • forced expiratory flow — (FEF) the rate of airflow recorded in measurements of forced vital capacity, usually calculated as an average flow over a given portion of the expiratory curve; the portion between 25 and 75 per cent of forced vital capacity is called the maximal …   Medical dictionary


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