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Sub-Sea Fluid Piping Heat Transfer Calculation Procedure for Piping System Optimization


Čalić, Bruno; Fafandjel, Nikša; Dobrinić, Julijan
Sub-Sea Fluid Piping Heat Transfer Calculation Procedure for Piping System Optimization // Proceedings of The International OTEC/DOWA Conference'99 / Uehara, Haruo ; Wang, Jung-Huei ; Ikegami, Yasuyuki (ur.).
Saga, Japan: Int. OTEC/DOWA Ass. (IOA) ; OTEC Lab. Fac. of Sci.-Eng. Saga Un., 1999. str. 152-161 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Sub-Sea Fluid Piping Heat Transfer Calculation Procedure for Piping System Optimization

Autori
Čalić, Bruno ; Fafandjel, Nikša ; Dobrinić, Julijan

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of The International OTEC/DOWA Conference'99 / Uehara, Haruo ; Wang, Jung-Huei ; Ikegami, Yasuyuki - Saga, Japan : Int. OTEC/DOWA Ass. (IOA) ; OTEC Lab. Fac. of Sci.-Eng. Saga Un., 1999, 152-161

Skup
The International OTEC/DOWA Conference '99

Mjesto i datum
Imari, Japan, 31.10-02.11.1999.

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Sub-Sea Piping; Piping System Optimization; Fluid Transfer; Optimization

Sažetak
While transferring fluids through sub-sea piping, those are exposed to changeable surrounding water temperature and sea current velocity. Therefore heat transfer from piping towards outer surrounding water or from outer surrounding water towards piping occurs. The objective is to calculate more precisely total heat energy transfer along sub-sea piping. For better understanding of hydraulic losses over long piping a special mathematical model was defined. The model is based on definition of finite piping segment heat energy transfer. Corresponding computer software for heat energy transfer calculation was developed and tested, mainly intended to solve specific ecology problems influenced by pollutant fluids blocked in sunken vessel tanks. Obtained results&#61602 ; analysis enables defining shape (cross sections) and variables such as: dimensions of the pipeline, wall thickness and material, and insulation thickness and material, etc. As conclusion authors suggest that by interactive calculation based on developed software it is possible to perform the analysis of piping heat transfer with the objective of whole piping system optimization. Computer processing results are graphically presented in three dimensions (3D) with the possibility to change any pair of above mentioned variables, that is illustrated on a deep sea piping system example.

Izvorni jezik
Engleski

Znanstvena područja
Brodogradnja



POVEZANOST RADA


Projekt / tema
069006
069018

Ustanove
Tehnički fakultet, Rijeka