Centrifugal Pump Sizing Calculation Pdfescape

CENTRIFUGAL PUMP SELECTION, SIZING, AND. Centrifugal pumps are dynamic pumps. For a new pump, our calculations of. CENTRIFUGAL PUMP SELECTION, SIZING, AND. Centrifugal pumps are dynamic pumps. For a new pump, our calculations of.

PUMP CALCULATIONS, DEFINITIONS, FORMULAS, CONVERSIONS PUMP ENERGY INC • • > Tools Definitions Capacity Flow rate required, i.e., GPM, BPH, etc. Suction Pressure PSI or Head (ft.) Discharge Pressure PSI or Head (ft.) NPSH Available in absolute pressure Product Type liquid & its conditions (temperatures, viscosity, specific gravity, clean, solids, abrasive, corrosive) Type Centrifugal, rotary, reciprocating--gear, lobe, screw--horizontal, vertical, in-line, submersible, self priming- etc. Materials of Construction Desired materials and/or construction features, if any Driver Electric/Air/Hydraulic motor - gas/diesel engine - gas/steam turbine Formulas • Head (ft.) = (psi x 2.31) / sp. X.88) • PS1 = (head (ft.) x sp.gr) / 2.31 = (.49 x in. Adobe pdf merger free download. X Hg.) • Velocity (ft./sec.) = (0.4085 x gpm) / [i.d.

(in.) of pipe] ^ 2 • BHP (Centrifugal) = (GMP x head (ft.) x sp. Gr.) / (3960 x pump eff) • BHP Positive Displacement = (GMP X PSI) / (1715 x pump eff.) Conversions Wt of Water 8.34 lb./gal.

Or 62.37 lb./cu. Ft @ 60 degrees 1 lb./sq. Water (1.0 sp. Gr.) BPH x.7 GPM BPD x.0292 GPM 1 BBL. (petroleum) 42 gallons (U.S.) 1 ft. Water.433 PSI Atmospheric Press 14.7 psi or 33.9 fr. Fresh water @ sea level 1 inch of mercury (Hg) vacuum 1.133 ft.

Water Dynamic Suctions Lift (ft.) Vacuum in inches of Hg. / (0.883 x sp.

Gr.) Net Positivie Suction Head (NPSH) • NPSHr = head required @ the eye of the pump's impeller to prevent cavitation, a function of pump design. • NPSHa = head available from the suction side of the system, must always equal or exceed the required (NPSHr) to prevent cavication. NPSHa Factors Table Positive Negative 1) Absolute pressure on liquid 1) Vapor pressure of the liquid, absolute 2) Static suction head 2) Friction & entrance losses 3) Static suction lift Affinity Laws Effects on centrifugal pumps with limited change of speed (RPM) or impeller diameter. • Capacity (Q) varies directly as the speed (N) or impeller diameter (D). • Head (H) varies as the square of the speed or impeller diameter.

• BHP varies as the cube of the speed or impeller diameter. • Law 1 = Q^1/Q^2 = N^1/N^2 or D^1/D^2 • Law 2 = H^1/H^2 = (N^1/N^2)^2 or (D^1/D^2)^2 • Law 3 = P^1/P^2 = (N^1/N^2)^3 or (D^1/D^2)^3 • • • • • • •.

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9999999 -10000002 Date/Time 10:30 am - 3:30 pm Location Category • OVERVIEW This course focuses on the hydraulic principles of centrifugal pumps as well as the mechanical considerations in centrifugal pump designs. In this course, you will learn quick pump calculations for conceptual studies, thumb rules as well as rigorous calculation required during detailed engineering phase. COURSE OUTLINE • Major Classification of Pumps • Centrifugal Pump Fundamental • Basic components of a Centrifugal Pump • How the centrifugal pump works? • What is the difference between Head vs.

• How to size and specify the pumps? • How to calculate diameter of the impeller • Why NPSH is so important for Pump?

• When does Pump cavitate? How to overcome this problem in design?

• How to calculate new head, NPSH and power if capacity changes? • Understanding of Pump and System curves • Evaluate various suction configurations and their impact on pump performance • Calculate the power of pump required to do a certain pumping job • Calculate the effects on pump performance of handling viscous liquids • When and why we need recycle for the pump? • Make cost effective pump selections • Typical arrangement in P&ID • Difference between API /ANSI Pumps • Selection Criteria API vs ANSI pumps • Mechanical Seal Selection Criteria (General) TARGETED ROLES This course is tailored to people who have some pump knowledge and are seeking a deeper understanding of how centrifugal pumps work, and when and how to apply this knowledge. This course benefits those who are involved in some facet of pump design or application, or those who are interested in pursuing a career in these areas. You should have a degree in engineering and some work-related experience with pumps or equivalent experience in the pump field. TIMING • Total Duration: 5 hours.

• First Session: 10:30 AM to 12:30 PM • Lunch: 12:30 PM to 1:00 PM (Lunch will be provided) • Second Session: 1:00 PM to 2:30PM • Third Session: 2:30 PM to 3:30 PM (Khurram Tauheed) INSTRUCTORS M. Arshadul Huda, M.Eng., P.Eng., C.Eng., MIChemE Khurram Tauheed, M.Eng., P.Eng. Arshadul Huda is a seasoned Process Engineer with more than 17 years of diverse industry experience in process design, studies, simulations, technical services, optimization, debottleneck, economics and project coordination in operating and EPC environment focusing in Oil & Gas Processing Plants, Pipelines and Petrochemicals projects. He holds an M. Eng degree in Chemical & Petroleum from University of Calgary, Canada. Arshadul Huda is a registered professional engineer in the province of Alberta and affiliated with APEGA as P. He is also Chartered Engineer (C.