ANALISIS KETIDAKPASTIAN DATA PERHITUNGAN PERPINDAHAN PANAS DAN PRESSURE DROP ALIRAN UDARA MELEWATI TUBE PANAS DI DALAM SALURAN

*Yosef Gokiasi Patar Napitu  -  Department of Mechanical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Syaiful Syaiful  -  Department of Mechanical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Bambang Yunianto  -  Department of Mechanical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia

How to cite (IEEE): Y. G. P. Napitu, S. Syaiful, and B. Yunianto, "ANALISIS KETIDAKPASTIAN DATA PERHITUNGAN PERPINDAHAN PANAS DAN PRESSURE DROP ALIRAN UDARA MELEWATI TUBE PANAS DI DALAM SALURAN," JURNAL TEKNIK MESIN, vol. 12, no. 1, pp. 79-84, Jan. 2024. [Online]. Retrieved from :
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Abstract
CDW (Concave Delta Winglet) adalah jenis vortex generator (VG) yang efektif untuk meningkatkan perpindahan panas. Perforated Concave Delta Winglet Vortex Generators (PCDW VGs) memiliki kemampuan mengurangi pressure drop dibandingkan dengan CDW VGs konvensional. Oleh karena itu, penelitian eksperimental ini bertujuan untuk mengevaluasi dampak PCDW VGs terhadap kinerja termalhidrolik dengan memvariasikan sudut serang, aspek rasio, dan susunan VGs. PCDW VGs disusun dalam konfigurasi common-flow-down dengan variasi sudut serang 10° dan 20°, serta konfigurasi inline dan staggered pada aspek rasio 1 hingga 3 dengan interval 0,5. Didapati bahwa, Overall Error Nu untuk seluruh variasi PCDW berada dibawah 1%. Begitu juga nilai overall error pressure drop berada di bawah 4% untuk seluruh variasi VGs.
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Keywords: laju perpindahan panas; perforated concave delta winglet; pressure drop; vortex generator
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