By E. Loy Upp, Paul J. LaNasa
There's a tendency to make move dimension a hugely theoretical and technical topic yet what so much impacts caliber dimension is the sensible program of meters, metering rules, and metering gear and using caliber gear which may proceed to operate over the years with right upkeep have the main effect in acquiring caliber dimension. This advisor presents a evaluation of easy legislation and ideas, an summary of actual features and behaviour of gases and drinks, and a glance on the dynamics of stream. The authors study purposes of particular meters, readout and comparable units, and proving platforms. sensible guidance for the meter in use, situation of the fluid, info of the total metering procedure, set up and operation, and the timing and caliber of upkeep also are integrated. This ebook is devoted to condensing and sharing the authors' broad adventure in fixing stream size issues of layout engineers, working team of workers (from best supervisors to the latest testers), academically-based engineers, engineers of the brands of circulation meter apparatus, around the globe practitioners, theorists, and folks simply moving into the company. The authors' decades of expertise are dropped at endure in an intensive evaluation of fluid movement dimension tools and functions. Avoids thought and makes a speciality of presentation of useful info for the amateur and veteran engineer. necessary for quite a lot of engineers and technicians (as good as scholars) in quite a lot of industries and purposes.
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Extra info for Fluid flow measurement: a practical guide to accurate flow measurement
ANSI/ASTMD4177). This chapter covers automatic procedures for obtaining representative samples of petroleum and nonuniform stocks for shipments, except electrical insulating oil. 1, “Hydrometer Test Method for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products” (reaffirmed December 1998; ANSI/ASTM D1298; lPl60). This chapter describes the methods and practices relating to the determination of the density, relative density, or API gravity of crude petroleum and liquid petroleum products using the hydrometer method (laboratory determination).
Without proper attention to the total problems, a simple calculation of the equation variables may mislead a user into believing measurement is better or worse than it actually is. The uncertainty calculation assumes that the meter has been properly installed, operated, and maintained. If maintenance is neglected and the meter has deposits on it that change its flow characteristics, then the calculation is meaningless until the meter is cleaned. CH03pp035-047 42 10/24/01 4:46 PM Page 42 Fluid Flow Measurement Figure 3-4 A metering station must be properly installed and maintained to provide accurate measurement.
CH03pp035-047 40 10/24/01 4:46 PM Page 40 Fluid Flow Measurement Billing This section sets a deadline for computation of quantity with a provision for correcting errors. It specifies the procedure for billing, the payment period, and penalties for late payment. Summary of Contract Requirements A properly written contract, which protects the interest of the buyer and the seller so that fair and equitable billings can be made for an exchange of the quantity of material, is a basic requirement for establishing custody transfer.
Fluid flow measurement: a practical guide to accurate flow measurement by E. Loy Upp, Paul J. LaNasa