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Journal : Jurnal Natural

Reference on Thermophysical Properties: Density and Viscosity of Several Gases by Using Macro Excel (RSSDFIUSK vs. 1) Elin Yusibani
Jurnal Natural Volume 15, Number 1, March 2015
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (330.637 KB)

Abstract

A source code for calculating reference on thermophysical properties: density and viscosity for several gases (nitrogen, helium, hydrogen, argon and air) has been developed under Visual Basic for Applications (VBA) programming in MS Excel (as a macros). Selected density and viscosity equations have been chosen as a basic equation in the VBA programming as a user-defined function. This macro is very useful for engineers and researchers due to enhance their experimental and/or theoretical studies.
REFERENCE ON THERMOPHYSICAL PROPERTIES: DENSITY AND VISCOSITY OF WATER FOR ATMOSPHERIC PRESSURE Elin Yusibani; Aprina Aprina; Teuku Khairuman
Jurnal Natural Volume 16, Number 2, September 2016
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1041.273 KB) | DOI: 10.24815/jn.v16i2.4919

Abstract

A reference on thermophysical properties, density and viscosity, for water at atmospheric pressure has been developed in MS Excel (as a macros). Patterson’s density equations and Kestin’s viscosity equations have been chosen as a basic equation in the VBA programming as a user-defined function. These results have been compared with REFPROF as a wellknow standart reference
REFERENCE ON THERMOPHYSICAL PROPERTIES: DENSITY AND VISCOSITY OF WATER FOR ATMOSPHERIC PRESSURE Elin Yusibani; Aprina Aprina; Teuku Khairuman
Jurnal Natural Volume 16, Number 2, September 2016
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v16i2.4919

Abstract

A reference on thermophysical properties, density and viscosity, for water at atmospheric pressure has been developed in MS Excel (as a macros). Patterson’s density equations and Kestin’s viscosity equations have been chosen as a basic equation in the VBA programming as a user-defined function. These results have been compared with REFPROF as a wellknow standart reference
Identification ratio of Si/Ti and Ca/Ti content by X-Ray Fluorescence in tsunami soil samples LAHNA, KURNIA; MITAPHONNA, RARA; RAMLI, MULIADI; ISBAH, FALIQUL; YUSIBANI, ELIN; FAUZI, FAUZI; ISMAIL, NAZLI; IDRS, NASRULLAH
Jurnal Natural Volume 24 Number 1, February 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v24i1.35429

Abstract

Earthquakes and tsunamis natural disasters have repeatedly occurred on the coast of Aceh province, which lies between the confluence of two plates. The tsunami deposits in this area can provide important information regarding the reconstruction of marine attacks by past earthquakes and tsunamis. In general, tsunami deposits can be identified based on their geological, sedimentological, paleontological, and geochemical characteristics. In our research work, spectrometry X-ray fluorescence (XRF) has been utilized to investigate the geochemical signatures of tsunami-affected soil samples in Aceh province at three tsunami-impacted areas, namely Aceh Besar regency, Banda Aceh City, and Aceh Barat regency. The sampling point is located about a kilometer from the coastal line. Our findings indicate that tsunami-affected soils in Aceh Province after 10 years struck by tsunami contain terrestrial markers such as Fe and Ti, carbonate markers (Mg, Ca), and heavy metals elements (Cr, Ni, Cu, Zn, and Sr). On the other hand, in our study, the concentration ratios of several elements such as Si/Ti and Ca/Ti seem most suitable as a chemical signature for differentiating environmental conditions such as the 2004 Indian Ocean tsunami event. It could be noticed that geochemical analysis by XRF can be applied to characterize the tsunami-affected soils in several coastal areas of Aceh province.
Co-Authors Abir, Ismail Ahmad Adi Rahwanto Ahmad Arif Hasibuan Ahmad Fairuz Bin Omar Aprina Aprina Ardiah, Lena Asril Pramurtadi Bambang Joko Suroto Cesarian, Dwiky Pobri Cut Khairunnisa Dedi Satria Desy Fitriana Desyandri Desyandri Dewi, Sri Safrina Dwiky Pobri Cesarian Edwar Iswardy Elly Sufriadi Endang Lestari Endi Suhendi Evi Yufita Fadhli Syamsuddin Faliqul Isbah Farah Dina Fashbir Fashbir Fashbir, Fashbir Fauzi Fauzi Fauzi Fauzi Fitria Helmiza Freddy Sapta Wirandha Gunawati Gunawati GUNAWATI, GUNAWATI Helmiza, Fitri Hidayatun Nisa IDRS, NASRULLAH Ikramullah ikramullah Intan Mulia Sari Iqhrammullah, Muhammad Irhamni Irhamni Irwandi Irwandi Ismail Ahmad Abir Iswardy, Edwar Juli Erlia Kanei Shinzato KHAIRI SUHUD Khairiaton Khairiaton Khazanna Kosuke Yoshimura Lahna, Kurnia Layna Miska Lena Ardiah Leni Heliawati Lloyd Woodfield, Peter M Syukri Surbakti Mailizar Mailizar Maswati ., Maswati Maulinda, Maulinda Mitaphonna, Rara Muhammad Farhan Muhammad Isa Muhammad Isa Muhammad Isa Muhammad Isa Muhammad Shadiq Maula, Teuku Muhammad Syukri Surbakti Muhammad Syukri Surbakti Muksin Umar Muliadi Ramli Mursal Mursal Nazli Ismail Nurhanif Nurhanif Nurjannah Nurjannah Nurjannah Nurjannah Nurjannah Nurjannah Nursabila Al Hazmi Nurul Fitri Nurul Fitri Nurul Mafazi Peter Lloyd Woodfield Peter Lloyd Woodfield Putri Meinelva Rahmi, Rahmi Rahpita Windriani Rajibussalim Rajibussalim Rajibussalim Rajibussalim Rini Safitri Rini Safitri Riski Rahmania Sagir Alva SARINA . Saudiah Mawaddah Saumi Syahreza Sidik, Adi Permana Sitti Hadaina Sri Safrina Dewi Surbakti, Muhammad Syukri Syarifah Zainura Teuku Khairuman Tjoet Nia Usmawanda, Tjoet Nia Umar, Muksin Viza Yusniar, Viza Widya Angreni Woodfield, Peter Lloyd Yuli Andriani Zaid Albarra Zakaria Husen Zakaria Zakaria Zulkarnain Jalil Zulkarnain Jalil