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All Journal Journal of Electrical Engineering and Computer (JEECOM) Jurnal Penyakit Dalam Indonesia
Perdana, Rizky
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Control & Systems Engineering Electrical & Electronics Engineering Energy Medicine & Pharmacology

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The Role of Albumin and Hemoglobin as Predictors of 28-day Mortality in Elderly Sepsis Patients in Mohammad Hoesin Hospital Palembang Gultom, Widya Mandala Sari; Riviati, Nur; Perdana, Rizky; Husin, Syarif
Jurnal Penyakit Dalam Indonesia Vol. 8, No. 3
Publisher : UI Scholars Hub

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Abstract

Introduction. Sepsis is defined as organ dysfunction caused by dysregulation of the host’s response to infection. The majority of sepsis are experienced by elderly patients with high mortality rates. In the condition of sepsis, there are various body mechanisms that cause a decrease in albumin and hemoglobin. This study is to determine the predictive value of albumin and hemoglobin levels on 28-day mortality of elderly sepsis patients.
Design and Development of a Laboratory-Scale Wave Power Plant Using the Oscillating Water Column System Prabowo, Yuliyanto Agung; Tuapattinaja, Rendy Kevin; Perdana, Rizky; Putra, Johans Andika
Journal of Electrical Engineering and Computer (JEECOM) Vol 7, No 1 (2025)
Publisher : Universitas Nurul Jadid

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/jeecom.v7i1.10939

Abstract

Renewable energy is one of the strategies promoted by the government to enhance national energy resilience and reduce dependence on fossil fuels. As an archipelagic country, Indonesia has great potential in utilizing ocean energy, particularly wave energy. This study aims to design and construct a laboratory-scale wave power plant using the Oscillating Water Column (OWC) system and to analyze the electrical voltage generated by the turbine under various test conditions. The method used is an experimental laboratory approach, involving a system composed of an oscillation tank, a DC motor as the wave-generating mechanism, and a DC turbine as the generator, tested both with and without a boost converter. The artificial waves generated by the pushing mechanism produce air pressure in the chamber, which rotates the turbine to generate electrical voltage. The experimental results show that optimal performance occurs at a water height of 26 cm and a wave height of 2 cm, with a wave period of 0.502 seconds. The maximum voltage output produced by the turbine was 3 V when connected to a boost converter. These results indicate that the OWC system is capable of effectively converting wave energy into electrical energy in a laboratory-scale setting.
Co-Authors Gultom, Widya Mandala Sari Nur Riviati, Nur Putra, Johans Andika Syarif Husin Tuapattinaja, Rendy Kevin Yuliyanto Agung Prabowo