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Title: ANALIZA PRENOSA TOPLOTE PROCESNE POSODE Authors: ID Hiti, Miha (Author) ID Bajsić, Ivan (Mentor) More about this mentor... Files: 1173$$diplomska_naloga_miha_hiti_2025-1-ib_sprej.popr_tp_29_8.pdf (3,91 MB) MD5: 4056484727D1E10E2457B315D4E54FBF   Language: Slovenian Work type: Bachelor thesis/paper Organization: UNM FS - University of Novo mesto - Faculty of Mechanical engineering Abstract: V diplomski nalogi je analiziran prenos toplote procesne posode s polcevnim plaščem in z vgrajenim mešalom, kar je pogosta tehnična izvedba za segrevanje in ohlajanje procesnih medijev. Analitično izračunane čase segrevanja in ohlajanja kapljevine v procesni posodi smo primerjali s preizkusom določenimi časi. Meritve smo izvedli na procesni posodi, prostornine 3000 l, pri stalnem pretoku in temperaturi toplotnega medija v realnih obratovalnih pogojih. Namen raziskave je preveriti zanesljivost v diplomski nalogi predlaganega analitičnega modela. Analitični model, formuliran z znanimi enačbami prenosa toplote, upošteva prestop toplote med polcevnim plaščem in steno posode, prevod toplote skozi steno ter prestop toplote med steno in kapljevino v procesni posodi. Rezultati primerjave kažejo dobro ujemanje med analitičnim modelom in meritvami, pri čemer so odstopanja posledica začetnega toplotnega časovnega odziva sistema in vplivov, ki jih model ne zajema v celoti. Ugotovitve omogočajo napovedovanje časov segrevanja in ohlajanja kapljevine v procesni posodi ter nudijo uporabno orodje za učinkovitejše vodenje procesov v farmacevtskih, kemijskih in sorodnih industrijah. Keywords: procesna posoda, prenos toplote, meritve, analitični izračun, polcevni plašč, mešalo, segrevanje, ohlajanje Year of publishing: 2025 PID: 20.500.12556/ReVIS-12352  Publication date in ReVIS: 03.10.2025 Views: 63 Downloads: 6 Metadata:    Cite this work Plain text BibTeX EndNote XML EndNote/Refer RIS ABNT ACM Ref AMA APA Chicago 17th Author-Date Harvard IEEE ISO 690 MLA Vancouver : Copy citation

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Secondary language

Language:	English
Title:	HEAT TRANSFER ANALYSIS IN A PROCESS VESSEL
Abstract:	The thesis analyses heat transfer in a process vessel with a half-pipe coil jacket and an integrated agitator, a common technical design for heating and cooling process media. The analytically calculated heating and cooling times of the vessel and its contents were compared with the times measured by the testing. The measurements were carried out on a 3000-litre process vessel at a constant flow rate and temperature of the heating/cooling medium under real operating conditions. The aim of the research is to verify the reliability of the analytical method. The analytical model, formulated using established heat transfer equations, accounts for the heat transfer between the half-pipe coil jacket and the vessel wall, the conduction through the vessel wall, and the heat transfer between the vessel wall and the vessel’s contents. The comparison shows good agreement between the analytical model and the measurements, with deviations mainly resulting from the system’s initial thermal inertia and influences not fully captured by the model. The findings enable the prediction of heating and cooling times of process vessels and provide a practical tool for more efficient process control in the pharmaceutical, chemical, and related industries.
Keywords:	process vessel, heat transfer, measurements, analytical calculation, half-pipe coil jacket, agitator, heating, cooling

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