From Theory to Practice
Although standards are written to be theoretically accurate and completely instructive, many decisions must be made in actual flow measurement. This chapter points out that “ideal” installations seldom, if ever, exist in the real world, so allowances must be made for the non-ideal characteristics and the measurements should be evaluated accordingly. Very few measuring stations measure an absolutely pure and clean stream of constant composition. Flow pressure and temperature normally change with time, if not continually. Space is often limited. These limitations affect the measurements obtained.
The chapter discusses the effects of pressure, temperature, and composition ranges on a meter, and the difference between accuracy ...
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