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Pembuatan dan Karakterisasi Komposit Batako Ringan dengan Campuran Sekam Padi Sebagai Bahan Pengisi untuk Kontruksi Bangunan Redam Suara Aris Pratama; Pulung Karo Karo; Simon Sembiring
Jurnal Teori dan Aplikasi Fisika Vol 2, No 1 (2014): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v2i1.1257

Abstract

Telah dilakukan penelitian dengan tujuan untuk mengetahui pengaruh sekam padi terhadap kuat tekan dan penyerapan redam suara pada batako sekam padi tersebut. Metode penelitian yang digunakan adalah metode padatan. Sampel sebanyak 21 batako berbentuk silinder dengan diameter 5cm dan tinggi 4cm. Variasi Semen 10%, 20% dan 30% dengan persentase volume. Bahan pengisinya berupa pasir 80-10% dan sekam 10-80% dengan jumlah total 100%. Karakterisasi yang dilakukan berupa uji fisis yaitu densitas, porositas dan uji mekanis yaitu uji kuat tekan, uji redam. Hasil uji karakterisasi densitassebesar 1.13-1.77 gr/cm3. Densitas yang paling besar adalah sampel S30SP10 yaitu 1.77 gr/cm3. Nilai porositas antara 6.39-46.55%. Uji kuat tekan antara 0.43-12.84Mpa. Kuat tekan yang paling besar adalah sampel S30SP10 karena kandungan semen yang besar sehingga memperkuat beton ringan tersebut. Uji redam suara tertinggi pada sampel S30SP60 dengan penyerapan sebesar 0.44. Selanjutnya uji konduktivitas termal dilakukan pada sampel S10SP80, S30SP40, S30SP50 dengan data hasil yaitu 0.81, 0.89, 1.09 W/moK.
Comparative Analysis of Android 10 and Android 14 in the Eventeer Application Aris Pratama; Wijanarko, Rendi Panca; Suryantari, Putu Anggi
IJCONSIST JOURNALS Vol 6 No 1 (2024): September
Publisher : International Journal of Computer, Network Security and Information System

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ijconsist.v6i1.127

Abstract

In this era of rapid technological advancement, event management systems have undergone significant transformation towards mobile-based models. One prominent application in this domain is Eventeer, offering features such as in-app chat, event scheduling, learning media, and event feeds for user interaction. This study aims to compare the performance of Android operating system versions 10 and 14 when running the Eventeer application. Performance measurements include memory usage, CPU utilization, and total storage used. Testing was conducted using Android Profiler in Android Studio to obtain accurate and comprehensive data. Results indicate that Android 14 exhibits higher memory usage compared to Android 10, while CPU usage tends to be more efficient on Android 14. The application size and storage usage did not show significant differences between the two Android versions. These findings provide valuable insights for developers and users on how the performance of the Eventeer application may be influenced by the Android OS version used. The study recommends further research encompassing broader test aspects such as battery consumption and network usage. Thus, future research can provide deeper insights into the factors affecting the performance of Android operating systems on mobile applications like Eventeer.