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Zasnova črpalke na osnovi feromagnetne membrane v spremenljivem magnetnem polju
ID Boštjančič, Matej (Author), ID Brojan, Miha (Mentor) More about this mentor... This link opens in a new window

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Abstract
Tema diplomske naloge je zasnova črpalke, gnane z magnetnim poljem, ki vpliva na gibanje feromagnetne membrane. Magneti imajo izjemno lastnost, da povzročajo silo, ki deluje na daljavo. To silo smo izkoristili za poganjanje membrane brez neposrednega kontakta z aktuatorjem, ki je v našem primeru translacijsko premikajoč se permanentni magnet. Osnovni koncept črpalke sledi zasnovi človeškega srca, ki vsebuje prekate in zaklopke. V nalogi je narejen pregled dostopne literature s področja membranskih črpalk, membranskih mikročrpalk, predstavitev osnov magnetizma in izdelovalnih tehnologij, uporabljenih pri izdelavi. Črpalko smo najprej zasnovali virtualno, zatem pa še izdelali s pomočjo tehnik hitrega prototipiranja, kot so npr. 3D tisk, laserski razrez, toplotni preoblikovanje itn. Črpalko smo izdelali iz dostopnih gradiv, kot so plastične mase, gume in jeklena pločevina. V vseh fazah snovanja smo pazili na ustrezno tesnjenje, predvsem na stiku ohišja in zaklopk. Določili smo bistvene karakteristike črpalke, kot so dobavna višina, pretok črpalke na delovni cikel in tesnjenje zaklopk. Rezultate smo primerjali s teoretično izračunanimi vrednostmi. Preučili smo, kje pride do razlik, poiskali potencialne razloge in podali ideje za izboljšanje delovanja črpalke.

Language:Slovenian
Keywords:črpalka, magnetno polje, 3D tisk, zaklopke
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Year:2025
Number of pages:XI, 41 f.
PID:20.500.12556/RUL-171902 This link opens in a new window
UDC:621.658:537.622.4:004.92(043.2)
COBISS.SI-ID:248098051 This link opens in a new window
Publication date in RUL:04.09.2025
Views:144
Downloads:15
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Secondary language

Language:English
Title:Design of a pump based on a ferromagnetic membrane in a variable magnetic field
Abstract:
The topic of this thesis is the design of a pump driven by a magnetic field that affects the movement of a ferromagnetic membrane. Magnets have the remarkable property of generating force that acts at a distance. We used this force to drive the membrane without direct contact with the actuator, which si in our case a translationally moving permanent magnet. The basic concept of the pump follows the design of the human heart, which contains chambers and valves. The thesis includes a review of the available literature in the field of membrane pumps, membrane micropumps, an introduction to the basics of magnetism, and an overview of manufacturing technologies used in production. We first designed the pump virtually, and then fabricated it using rapid prototyping techniques such as 3D printing, laser cutting, thermal forming, etc. The pump was made from readily available materials, such as plastics, rubber, and steel sheet metal. In all design stages, we paid close attention to proper sealing, especially at the interface between the housing and the valves. We determined the essential characteristics of the pump, such as delivery head, pump flow rate per working cycle, and valve sealing. The results were compared with theoretically calculated values. We examined where discrepancies occurred, identified potential reasons for them, and suggested ideas for improving the pump’s performance.

Keywords:pump, magnetic field, 3D printing, valve

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