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All Journal Jurnal Abdi Insani Teknomekanik
Aprianti, Tine
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering

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Performance Comparison of Ground Source Heat Pump (GSHP) against Air Source Heat Pump (ASHP) for Domestic Applications: A case study in Perth, Australia Aprianti, Tine; Tan, Evan; Diu, Chan; Sprivulis, Ben; Ryan, Greg; Srinivasan, Kandadai; Chua, Hui Tong
Teknomekanik Vol. 4 No. 2 (2021): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (406.551 KB) | DOI: 10.24036/teknomekanik.v4i2.11272

Abstract

The goal of this research is to evaluate the efficacy and practicality of installing a ground source heat pump (GSHP) with an air source heat pump (ASHP) in a residential setting. The results of this comparison were obtained by monitoring each of the systems in two almost identical residences in Perth, Western Australia. There is an open-loop groundwater system in the previous home. Each residence has one family whose air conditioning system has its own set of operational needs. The cooling capacity supplied and coefficient of performance (COP) as a function of seasonal changes in ambient temperatures were determined using data gathered from both residences over a two-year period. For both heating and cooling, the GSHP system COP was found to be greater than that of the ASHP system. Furthermore, these two performance measures were independent of ambient circumstances in the former, but they exhibit a noticeable ambient dependent trend in the latter. The GSHP had an average COP of 4.0 for heating, regardless of external conditions, while the ASHP COP ranged from 2.0 to 3.0. Conversely, the GSHP had an average COP of 3.2 for cooling, whereas the ASHP COP ranged from 1.4 to 2.9. It is found that GSHPs result in significant operational cost reductions and a significant decrease in greenhouse gas emissions when a borewell is part of a home.
Experimental study of gas adsorption using high-performance activated carbon: Propane adsorption isotherm Aprianti, Tine; Hapsari, Harrini Mutiara; Permata, Debby Yulinar; Aprilyanti, Selvia; Sobey, Justin; Pham, Kallan; Kandadai, Srinivasan; Chua, Hui Tong
Teknomekanik Vol. 7 No. 1 (2024): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v7i1.28672

Abstract

Activated carbon is widely used for its diverse adsorptive abilities, with a vast range of current and emerging uses. This study developed a data set for high-performing activated carbon, its adsorption abilities with differing adsorbents, and an understanding of what deviations are present compared to the widely used adsorption models. This study included the construction of Tóth isotherms in varying conditions. Building a strong isotherm correlation is desired, with an understanding of the relationship between the pores of the activated carbon sample, operating parameters, and the adsorbent. The present data could complement efforts in designing adsorbed natural gas storage systems. Experimental data was collected using a Constant Volume Variable Pressure (CVVP) apparatus, consisting of a temperature-regulated vessel containing the activated carbon sample dosed with varying adsorbents through a controlled dosing vessel. Analysis of the derived data gave a well-fitted Tóth adsorption isotherm, giving the maximum specific adsorption capacity of the activated carbon to be 2.28 g of propane per gram of activated carbon with a standard error of regression
PENGOLAHAN AIR MENJADI AIR MINUM DENGAN ALAT BERTEKNOLOGI MEMBRAN ULTRAFILTRASI UNTUK SEKOLAH ISLAM TERPADU IZZATUNA PUTRI PALEMBANG SUMATERA SELATAN Aprianti, Tine; Said, Muhammad; Bahrin, David; Selpiana, Selpiana
Jurnal Abdi Insani Vol 12 No 6 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i6.2566

Abstract

Kegiatan pengabdian kepada masyarakat yang dilakukan oleh tim Fakultas Teknik Universitas Sriwijaya dilaksanakan dengan mengolah air menjadi air minum dengan alat berteknologi membran ultrafiltrasi, kegiatan ini diharapkan dapat membantu khalayak sasaran untuk memenuhi kebutuhan air minum layak konsumsi yang dapat juga dijadikan peluang untuk wirausaha air minum isi ulang. Kegiatan Pengabdian kepada Masyarakat ini dilaksanakan di Sekolah Islam Terpadu Izzatuna Putri Palembang, kegiatan ini bertujuan untuk memberi manfaat yang signifikan dan turut membantu dalam meningkatkan kesehatan dan kesejahteraan khalayak sasaran. Untuk mengevaluasi hasil kegiatan, pada akhir kegiatan disebarkan kuesioner sebanyak 40 (empat puluh) lembar ke khalayak sasaran yang mengikuti kegiatan ini. Dari data isian kuesioner yang disebarkan, 80% khalayak sasaran menilai bahwa kegiatan ini sangat bermanfaat, hal ini membuktikan bahwa khalayak sasaran menganggap kegiatan ini sangat bermanfaat.
PENGOLAHAN AIR MENJADI AIR BERSIH DAN AIR MINUM DENGAN TEKNOLOGI MEMBRAN ULTRAFILTRASI DI KELURAHAN MUARA ENIM, KABUPATEN MUARA ENIM, SUMATERA SELATAN Aprianti, Tine; Vidian, Fajri; Aprianti, Sisnayati
Jurnal Abdi Insani Vol 12 No 2 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i2.2178

Abstract

Sistem distribusi air bersih yang ada di Kecamatan Muara Enim pada saat ini belum menjangkau seluruh warga di kecamatan ini. Pelayanan PDAM Lematang Enim baru melayani sekitar 50% dari jumlah penduduk Kecamatan Muara Enim. Hal ini disebabkan oleh masih lambatnya pengembangan sistem distribusi air bersih di kecamatan ini dan rendahnya jam operasi layanan yang mengakibatkan minimnya waktu distribusi air bersih ke pelanggan yang rata-rata hanya mencapai ± 10 jam/hari. Pada Kegiatan Pengabdian pada Masyarakat yang akan dilaksanakan ini berfokus pada lokasi Kelurahan Muara Enim yang sebagian besar warganya belum mendapatkan layanan PDAM yang mencukupi dan terpaksa mengandalkan air sumur atau air sungai. Kegiatan ini diharapkan dapat membantu masyarakat sasaran untuk memenuhi kebutuhan air minum layak konsumsi yang dapat juga dijadikan peluang untuk wirausaha air minum isi ulang. Program ini diawali dengan penyuluhan tentang air minum layak konsumsi sesuai standar kesehatan, dilanjutkan dengan perakitan alat pengolah air menggunakan teknologi membran ultrafiltrasi. Setelah itu, mitra sasaran dilatih mengoperasikan alat agar dapat memanfaatkannya secara optimal. Kegiatan berikutnya adalah sosialisasi kepada masyarakat agar mereka memahami fungsi alat tersebut dan merasakan manfaatnya bagi kesehatan. Program ditutup dengan pembagian kuesioner kepada peserta sosialisasi untuk memperoleh umpan balik mengenai efektivitas kegiatan. Dari data isian kuesioner yang disebarkan, 80% masyarakat Kelurahan Muara Enim menilai bahwa kegiatan ini sangat bermanfaat, hal ini membuktikan bahwa masyarakat sasaran menilai kegiatan ini sangat bermanfaat.
Co-Authors Chua, Hui Tong David Bahrin Diu, Chan Fajri Vidian Hapsari, Harrini Mutiara Kandadai, Srinivasan MUHAMMAD SAID Permata, Debby Yulinar Pham, Kallan Ryan, Greg Selpiana, Selpiana Selvia Aprilyanti, Selvia Sisnayati Sisnayati Sobey, Justin Sprivulis, Ben Srinivasan, Kandadai Tan, Evan