Eksperimentalno ispitivanje radnih značajki centrifugalne pumpe

master's thesis

• Title (english): Experimental determination of working characteristics of a centrifugal pump
• Author: Antonio Perašin
• Mentor: Nikola Vladimir (mentor)
• Granter: University of Zagreb; Faculty of Mechanical Engineering and Naval Architecture; Zagreb
• Defense date and country: 2021-07-16, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mechanical Engineering; Marine Mechanical Engineering

Abstract

U ovom diplomskom radu obrađena je problematika eksperimentalnog ispitivanja centrifugalnih pumpi, s ciljem utvrđivanja njihovih radnih značajki i eventualnih preporuka za njihovo poboljšanje. Prilagodba karakteristike pumpe je vrlo česta u praksi zbog različitih zahtjeva naručitelja i pokrivanja većih područja različitih protoka i visina dobave. Nadalje, u radu je dan pregled različitih primjena i tipova pumpi koje se susreću u strojarstvu, s naglaskom na brodostrojarsku praksu, kao i prikaz osnovnih matematičkih modela teorije sličnosti, na temelju kojih su predložene modifikacije značajki analizirane pumpe prema broju okretaja i promjeru rotora. Uz detaljan opis mjernog lanca, dan je prikaz izmjerenih radnih značajki centrifugalne pumpe za različite brojeve okretaja pogonskog elektromotora. Eksperimentalni dio diplomskog rada proveden je na ispitnoj opremi tvrtke Croatia Pumpe Nova d.o.o. u Karlovcu.

Abstract (english)

This diploma thesis deals with the experimental testing of centrifugal pumps, with the aim to determine their working performance and to draw possible recommendations for their improvement. Adjustment of pump characteristics is very common in engineering practice due to different customer requirements and covering larger areas of different flow rates and delivery heights. Furthermore, the paper provides an overview of different applications and types of pumps used in mechanical engineering practice, with emphasis on marine applications, as well as basic mathematical models of similarity theory. Based on the presented mathematical model, modifications of the analyzed pump characteristics via speed and rotor diameter are proposed. In addition to the detailed description of the measuring chain, the measured operating characteristics of the centrifugal pump for different speeds of the drive electric motor are presented. The experimental part of the thesis was conducted on the test equipment of Croatia Pumpe Nova d.o.o. in Karlovac, Croatia.

• Keywords: centrifugalna pumpa; radna karakteristika pumpe; protok; visina dobave; teorija sličnosti; ispitna stanica.
• Keywords (english): centrifugal pump; pump working characteristics; flow; head; affinity laws; test bench.
• Language: croatian
• URN:NBN: urn:nbn:hr:235:266790
• Study programme: Title: Mechanical Engineering; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka strojarstva (magistar/magistra inženjer/inženjerka strojarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2021-07-15 04:59:53