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All Journal Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Jurnal Teknik Informatika (JUTIF)
Werdhani, Anastasia Sri
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Religion Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Public Health Social Sciences

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Characteristics of Multi-tier Hybrid Dryer for Drying Corn Grains Allo, Rombe; Pongsapan, Allo Sarira; Mangallo, David; Agustinus; Siregar, Samuel Parlindungan; Pagasis, Thomas; Werdhani, Anastasia Sri; Numberi, Johni Jonatan; Palamba, Pither; Banda, Dionisius Desriadi; Joni
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6370

Abstract

The type of drying device known as a hybrid dryer is a tool that harnesses solar energy and the heat generated by a biomass fuel-powered heat exchanger. This study was conducted to assess the performance of the hybrid dryer by analyzing the parameters of the device itself and the dried material. The research was carried out experimentally using a solar collector and a biomass furnace (as a heat exchanger) to heat the air. The solar collector used consists of 0.35 mm thick, black-painted zinc, coated with 5 mm thick glass, and installed at a 20-degree angle. The heat exchanger pipe used has a diameter of 1.25 inches and is made of galvanized pipe. The tested sample is corn seeds with an initial moisture content of about 24.6%. The experimental results show that in the drying process using a solar dryer, the initial moisture content of 24.8% was successfully reduced to 14% at 5.50 h (rack 1), 6.50 h (rack 2) and 7.00 h (rack 3) with a thermal efficiency of 24.25%. Meanwhile, in the hybrid drying process, the required time is approximately 5.00 h (rack 1), 5.50 h (rack 2) and 6.00 h (rack 3), with a efficiency of the drying equipment used is 21.048±5.690% (hybrid) and 22.706±6.437% (solar).
IMAGE DATA SECURITY USING VERNAM CIPHER ALGORITHM Supiyanto, Supiyanto; Werdhani, Anastasia Sri
Jurnal Teknik Informatika (Jutif) Vol. 5 No. 2 (2024): JUTIF Volume 5, Number 2, April 2024
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2024.5.2.1864

Abstract

The Vernam Cipher algorithm is a symmetric key algorithm, as it uses the same key for encryption and decryption. It utilizes a binary number system with XOR operation to produce a series of bits. This study aims to implement the Vernam cipher algorithm to secure personal and confidential image data, which is at risk of misuse when shared through chat applications like Facebook, WhatsApp, and email. Therefore, developing image protection applications is crucial. The research explores whether the vernam cipher algorithm, working with single bits in block form and based on binary numbers, can effectively secure image data, specifically grey scale images with BMP and JPG extensions. The approach involves applying the Vernam cipher algorithm to programming language to create a data security application. The outcome is an image security application program, with test results indicating successful encryption with significant randomness. The decryption process with the Vernam cipher method can restore encrypted images to their original state, although some distortion may occur, especially with JPEG images. Decryption of BMP images is nearly flawless. The key for data security can vary in length and form, with encryption taking longer than decryption.
COMMUNITY ASSISTANCE IN CONSTRUCTING A CLEAN WATER INSTALLATION AT THE BONGGO HEALTH CENTER, ARMOPA VILLAGE, BONGGO DISTRICT, SARMI REGENCY Joni, Joni; Siregar, Samuel Parlindungan; Ranteallo, Obet Takke; Palamba, Pither; Tosuli, Yohanis Tangke; Rantepulung, Selyus; Giai, Agustinus; Werdhani, Anastasia Sri; Tambing, Enos; Kaiway, Mickael Ruben; Kati, Oktavianus; Kariongan, Yakobus
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 8 No. 4 (2024): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v8i4.2483

Abstract

Access to clean water is a fundamental necessity that underpins effective public health services and the operational efficiency of health facilities, including the Bonggo Health Center in Sarmi Regency. Recognizing the importance of reliable clean water access, a community assistance initiative was launched to establish a sustainable water installation system at the Bonggo Health Center. This initiative is crucial to enhancing the health center’s ability to deliver quality healthcare services, as safe, clean water is essential for various healthcare functions, from sanitation to patient care. The primary aim of the assistance program is to equip the Bonggo Health Center with a dependable source of clean water, ensuring it meets health and safety standards for use in medical services. To achieve this goal, the implementation method was carefully structured, involving several sequential steps. First, the service team conducted a comprehensive location survey to assess the water requirements and potential challenges. Following this, the team engaged in in-depth problem discussions, planning sessions, and preparatory work to lay the groundwork for the installation. The actual construction of the water installation was then carried out, followed by rigorous testing and evaluation to ensure functionality and quality. Through close collaboration with the Armopa Village community, the service team successfully completed a fully operational clean water installation. This unit now provides a reliable supply of high-quality water for the Bonggo Health Center, significantly improving the center’s capacity to serve the healthcare needs of the surrounding community. This installation not only meets immediate needs but also sets a foundation for sustained health service enhancements and community well-being in the region.
Co-Authors Abda Abda Agustinus Agustinus Giai Allo Sarira Pongsapan Banda, Dionisius Desriadi David Mangallo Enos Tambing Joni Mickael Ruben Kaiway Oktavianus Kati Pither Palamba Ranteallo, Obet Rombe Allo Samuel Parlindungan Siregar Selyus Rantepulung Supiyanto Supiyanto, Supiyanto Thomas Pagasis Tosuli, Yohanis Tangke Yakobus Kariongan