| Judul/Title |
Thermal - hydraulics performance and stability two - phase flow using Al2O3 nanofluids in an open natural circulation loop |
| Penulis/Author |
Dwi Yuliaji (1); Roy Waluyo (2); Gatot Eka Pramono (3); Nur Rochman Budiyanto (5); Shendy Akbar Maryadi (6); Sunandi Kharisma (7); Ryan Oktaviandi (8); Prof. Dr. Eng. Ir. Deendarlianto, S.T., M.Eng. (9); Prof. Dr. Ir. Indarto, DEA., IPM., ASEAN Eng. (10); Mulya Juarsa (11) |
| Tanggal/Date |
2025 |
| Kata Kunci/Keyword |
|
| Abstrak/Abstract |
Thethermal-hydraulicsperformanceandstabilityflowusingAl2O3nanofluids inanopennatural circulation
loophasbeeninvestigated.Experimentswereconductedwithagradual increaseinheatingpowerfrom880W
upto1350W.TheworkingfluidusedAl2O3withvariationsof0.025wt%,0.05wt%,and0.1wt%.Thetwo
phaseflowpatternwas observedusing1 fps rangemacrophotos. PSD(power spectral density) andDWT
(discretewavelet transform) signalprocessingwereusedtoanalyzethethermal-hydraulicsperformanceand
flowstabilitythatoccurredduringtheexperiments.Theresultshowsthat therearethreetypesofoscillations
werefoundintheobservationsbasedonheatingpower,intermittentoscillationwithexpulsion-refill-incubation
stages, sinusoidaloscillationwithexpulsionandrefill stages,andhighsubcoolingstableflowcirculationwith
onlyonecontinuousrefillstage.PSDandDWTanalysisprovidedsolidagreementbetweenthetemperaturesignal
andthermal-hydraulicsperformanceandflowstability |
| Rumpun Ilmu |
Teknik Mesin (dan Ilmu Permesinan Lain) |
| Bahasa Asli/Original Language |
English |
| Level |
Internasional |
| Status |
|
