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All Journal Journal of Renewable Energy and Mechanics Jurnal Teknik Mesin Indonesia APTEK Buletin Pembangunan Berkelanjutan Quantum Teknika
Rafil Arizona
Universitas Islam Riau - UIR
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences

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Journal : Quantum Teknika

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Pengaruh Tegangan Permukaan Terhadap Tumbukan Multiple Droplets Pada Permukaan Stainles Steel Yang Dipanaskan Arizona, Rafil
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol 1, No 1 (2019): October
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.010102

Abstract

The present study was conducted to investigate the dynamics of multiple droplets impact under various surface tensions. Here, the ethylene glycol with compositions of  0%, 5%, and 15% were injected through a nozzle into the stainless steel surface as the multiple droplets. The solid surface was heated at the temperatures of 150ºC. The dynamic of multiple droplets have been observed with frame rate of 2000 fps by a high speed camera. A technique of image processing was developed to determine the maximum droplets are spreading ratio. As the result, the surface tension contribute to the maximum spreading ratio significantly. When the droplet surface tension decreases, the maximum spreading ratio increases. The maximum spreading ratio appears when the percentage of the ethylene glycol is 15% at the temperature of 150ºC. From the visual observation, it was shown that a slower emergence of secondary droplets (droplet splashing) was carried out under low surface tension.
Pengaruh Tegangan Permukaan Terhadap Tumbukan Multiple Droplets Pada Permukaan Stainles Steel Yang Dipanaskan Rafil Arizona
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol 1, No 1 (2019): October
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.010102

Abstract

The present study was conducted to investigate the dynamics of multiple droplets impact under various surface tensions. Here, the ethylene glycol with compositions of  0%, 5%, and 15% were injected through a nozzle into the stainless steel surface as the multiple droplets. The solid surface was heated at the temperatures of 150ºC. The dynamic of multiple droplets have been observed with frame rate of 2000 fps by a high speed camera. A technique of image processing was developed to determine the maximum droplets are spreading ratio. As the result, the surface tension contribute to the maximum spreading ratio significantly. When the droplet surface tension decreases, the maximum spreading ratio increases. The maximum spreading ratio appears when the percentage of the ethylene glycol is 15% at the temperature of 150ºC. From the visual observation, it was shown that a slower emergence of secondary droplets (droplet splashing) was carried out under low surface tension.
Co-Authors Eddy Elfiano Fernando, Yoga Jhonni Rahman Kurnia Hastuti Sehat Abdi Saragih Shandy Kurniadi Shandy Kurniadi Suripto, Heri Yoga Fernando