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All Journal Majalah Ilmiah MOMENTUM Indonesian Journal of Cardiology Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi ILTEK : Jurnal Teknologi Narra J The Journal of Society Medicine (JSOCMED) Satera: Jurnal Sains dan Teknik Terapan Jurnal Polimesin
Faisal Habib
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Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Neuroscience Public Health

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ANALISIS PEMANFAATAN MINYAK TANAH DAN MINYAK KELAPA SEBAGAI BAHAN BAKAR KOMPOR Hamri Hamri; Faizal Habib
JURNAL ILTEK Vol 13, No 01 (2018): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (325.239 KB) | DOI: 10.47398/iltek.v13i01.119

Abstract

Penelitian ini bertujuan untuk memanfaatkan minyak kelapa sebagai bahan bakar kompor dengan bahan bakar minyak tanah, membandingkan selubung api yang terjadi dan emisi dari bahan bakar tersebut, apakah ekonomis minyak nabati dibanding minyak tanah. Penelitian dilakukan dengan menguji bahan bakar, dinyalakan pakai kompor . Kemudian dilakukan pengukuran emisi hasil pembakaran , mengukur temperatur nyala api serta menguji berapa waktu yang untuk menghabiskan bahan bakar dengan volume tertentu. Hasil menunjukkan waktu pembakaran normal untuk minyak tanah 2 menit, minyak kelapa 15 menit, emisi hasil pembakaran tersebut didapatkan CO2 tertinggi pada minyak tanah yaitu 1,06 , dan minyak kelapa adalah 0,54, Waktu untuk menghabiskan bahan bakar dengan volume 200 cc yang lama minyak kelapa 35 menit 5 detik sedang minyak tanah 26 menit 35 detik ,temperatur nyala api, kompor untuk hasil pengukuran 3000 C dengan waktu sentuh dinyala api 1(satu) menit.
The Relationship between Transient Ischemic Dilation (TID) and Severity of Coronary Artery Disease (CAD) in Patients with Chronic Coronary Syndrome (CCS) in Haji Adam Malik Medan, Indonesia Tamba, Ratna Mariana; Lubis, Hilfan Ade Putra; Mukhtar, Zulfikri; Sitepu, Andika; Habib, Faisal; Andra, Cut Aryfa; Haykal, T. Bob
Journal of Society Medicine Vol. 2 No. 9 (2023): September
Publisher : CoinReads Media Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/jsocmed.v2i9.88

Abstract

Introduction: TID ratio derived from ratio of LV volume in stress and rest phase of MPS. It is said that this phenomenon has been a useful marker of severe CAD, that can be present with atypical angina. This occurs due to global myocardial hypoperfusion caused by severe and extensive CAD. Method: This study was an analytic observational study with a retrospective cohort design in CCS patients who underwent Myocardial Perfusion SPECT at Haji Adam Malik General Hospital from January 2022 to April 2023.  All participants underwent MPS with Tc99m sestamibi with pharmacology Adenosine stress test and coronary angiography. The MPS could be performed before or after coronary angiography without any revascularization procedure between the two examination preocedures. An unpaired t-test analysis was performed to find the mean difference in TID values in the mild CAD and moderate-severe CAD groups. Results: The study subjects totaled 93 people with an average age of 55.87±7.44. It was found that the TID value was significantly different between the two groups of mild and moderate-severe CAD based on Syntax score, 0.906±0.13 vs 1.03±0.11 in the mild vs moderate-severe CAD group (p<0.001). Bivariate analysis showed that in this study, the ratio of TID was only associate with LV ESV and LV EDV in stress phase of MPS (p = 0.001). Conclusion: There is a relationship between TID and CAD severity based on Syntax score with higher TID values in patients with moderate-severe CAD compared to patients with mild CAD. TID ratio was only depends on severity od CAD and directly proportional to the volume of LV in the stress phase, suitable to the theory that said TID ratio comes from ratio of LV volume in stress and rest phase of MPS.
The IndONEsia ICCU Registry Juzar, Dafsah Arifa; Bagaswoto, Hendry Purnasidha; Muzakkir, Akhtar Fajar; Habib, Faisal; Astiawati, Tri; Prasetya, Indra; Wirawan, Hendy; Ilhami, Yose Ramda; Djafar, Dewi Utari; Sungkar, Safir; Danny, Siska Suridanda
Jurnal Kardiologi Indonesia Vol 44 No 4 (2023): Indonesian Journal of Cardiology: October - December 2023
Publisher : The Indonesian Heart Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30701/ijc.1603

Abstract

Introduction: Patients in the Intensive Cardiovascular Care Unit (ICCU) often present with cardiovascular disease (CVD) issues accompanied by various non-cardiovascular conditions. However, a widely applicable scoring system to predict patient outcomes in the ICCU is lacking. Therefore, developing and validating scores for predicting ICCU patient outcomes are warranted. The aims of the IndONEsia ICCU (One ICCU) registry include developing an epidemiological registry of ICCU patients and establishing a multicentre research network to analyse patient outcomes. Methods and results: This nationwide multicenter cohort protocol will capture data from patients receiving cardiovascular critical care treatment in 10 Indonesian hospitals with ICCU facilities. Recorded data will encompass demographic characteristics, physical examination findings at hospital and ICCU admission, diagnoses at ICCU admission, therapy, intervention, complications on days 3 and 5 of in-ICCU care, in-hospital outcomes, and 30-day outcomes. Conclusion: The One ICCU is a large, prospective registry describing the care process and advancing clinical knowledge in ICCU patients. It will serve as an investigational platform for predicting the mortality of ICCU patients.
Perencanaan Pembangkit Listrik Berbasis Flywheel Ganda Jaya, Muh. Aksan; Hamri, Hamri; Habib, Faisal; Efendi, Rustam
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 8, No 1 (2022): April
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (646.456 KB) | DOI: 10.35308/jmkn.v8i1.4126

Abstract

Energi listrik merupakan kebutuhan vital di abad 21 ini. Sumber energi listrik selama ini bersumber dari energi fosil terus mengalami penurunan pasokan dan berbagai macam isu lingkungan akan penggunaan energi fosil. Salah satu yang dapat dilakukan untuk mengatasi permasalahan tersebut adalah menggunakan energi yang memungkin diambil kembali. Flywheel Energy Storage System merupakan salah satu yang bisa dikembangkan, dengan adanya energi kinetik yang dimiliki oleh flywheel memungkin untuk menaikkan kapasitas penyediaan energi. Tujuan penelitian ini adalah merancang dan menguji pembangkit energi berbasis flywheel. Metode perencanaan adalah metode perhitungan elemen mesin. Hasil perhitungan perencanaan pembangkit listrik berbasis flywheel didapatkan kecepatan sudut flywheel (ω) sebesar 181,42 rad/s, momen inersia 0,35 kg/m², torsi 4,28 Nm, energi kinetik 5.825 Joule. Perbandingan putaran (i) motor listrik-flywheel sebesar 1,3 dan flywheel-generator 1, ukuran V Belt motor listrik-flywheel adalah A-43 dan flywheel-generator A-45.
Hypocapnia and its relationship with in-hospital mortality in acute heart failure patients: Insights from the Indonesian multicenter ICCU registry Prasetya, Indra; Afifah, Yuri; Anjarwani, Setyasih; Juzar, Dafsah A.; Bagaswoto, Hendry P.; Muzakkir, Akhtar F.; Habib, Faisal; Astiawati, Tri; Wirawan, Hendy; Ilhami, Yose R.; Djafar, Dewi U.; Sungkar, Safir; Danny, Siska S.; Rohman, Mohammad S.
Narra J Vol. 5 No. 1 (2025): April 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i1.1638

Abstract

Acute heart failure (AHF) presents serious risks for hospitalized patients. The aim of this study was to explore the relationship between arterial partial pressure of carbon dioxide (PaCO2) levels and outcomes in AHF patients admitted to the intensive cardiovascular care unit (ICCU), utilizing data from the IndONEsia ICCU Registry (One ICCU Registry). A multicenter retrospective observational study was performed covering data between August 2021-2023. Participants were categorized by PaCO2 levels: hypocapnia (<35 mmHg), normocapnia (35–45 mmHg), and hypercapnia (>45 mmHg). The primary outcomes included ICCU mortality, in-hospital mortality, and 30-day mortality, whereas the length of the stays in the ICCU or hospital and ventilation requirement were set as the secondary outcomes. Mortality risks were assessed using Cox proportional hazards models. Of the 1,870 patients, 1,102 (58.96%) had hypocapnia, 645 (34.5%) had normocapnia, and 123 (6.5%) had hypercapnia. Hypocapnia patients had significantly higher ICCU, in-hospital, and at 30-day mortality rates compared to normocapnic patients (all p<0.001), along with longer lengths of stay in ICCU and in hospital (p<0.001). Hypocapnia significantly increased noninvasive and mechanical ventilation requirement compared to normocapnia patients. Multivariate analysis identified factors impacting patients’ survival, including age, treatment with angiotensin-converting enzyme inhibitors (ACEi)/angiotensin II receptor blockers (ARBs) drugs, and severity scores such as the quick sequential organ failure assessment (qSOFA) and simplified acute physiology score II (SAPS II). In conclusion, hypocapnia in AHF patients could increase in-hospital, ICU and 30-days mortality rates and length of hospital stays, as well as noninvasive and mechanical ventilation requirements.
Comparative predictive value of APACHE-II, SAPS-II and GRACE scores for mortality in acute coronary syndrome (ACS) patients: Evidence from Indonesia intensive cardiovascular care unit registry Prasetya, Indra; Hakim, Dennis I.; Anjarwani, Setyasih; Bagaswoto, Hendry P.; Muzakkir, Akhtar F.; Habib, Faisal; Astiawati, Tri; Wirawan, Hendy; Ilhami, Yose R.; Djafar, Dewi U.; Sungkar, Safir; Danny, Siska S.; Juzar, Dafsah A.
Narra J Vol. 5 No. 1 (2025): April 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i1.1911

Abstract

The Global Registry of Acute Coronary Events (GRACE) score is acknowledged for its ability to predict in-hospital mortality among patients with acute coronary syndrome (ACS). However, intensive care physicians often employ general prognostic scores such as Acute Physiologic and Chronic Health Evaluation II (APACHE-II) and Simplified Acute Physiology Score II (SAPS-II) to predict the mortality of ACS patients. However, their predictive values are not well-determined in predicting mortality in ACS treated in the cardiovascular care unit (CVCU). The aim of this study was to evaluate the performance of APACHE-II and SAPS-II scores in comparison with GRACE scores in predicting the CVCU mortality and in-hospital mortality of ACS patients admitted to CVCU. A multicenter retrospective cohort study was conducted using data from a registry of patients admitted to 10 hospitals in Indonesia between August 2021 and July 2023. This study evaluated the APACHE-II, SAPS-II, and GRACE scores for patients with ACS upon admission to CVCU. The area under the curve (AUC) of the receiver operating characteristic (ROC) was utilized to assess the discriminative ability for predicting mortality. Among the 12,950 admitted patients, 9,040 were diagnosed with ACS, and 6,490 patients were included in the final analysis. All three scoring systems had relatively good discriminative ability to predict CVCU mortality with APACHE-II having better results (AUC: 0.771; sensitivity: 63.9%; specificity: 78.7%) compared to GRACE (AUC: 0.726; sensitivity: 61.7%; specificity: 73.2%) and SAPS-II (AUC: 0.655; sensitivity: 38.9%; specificity: 85.2%). To predict in-hospital mortality, APACHE-II had better results (AUC: 0.815; sensitivity: 68.7%; specificity: 80.4%) compared to GRACE (AUC: 0.769; sensitivity: 64.6%; specificity: 77.5%) and SAPS-II (AUC: 0.683; sensitivity: 41.8%; specificity: 86.2%). APACHE-II had the best single risk factor for CVCU mortality (odds ratio (OR): 1.198; 95% confidence interval (CI): 1.181–1.214) and in-hospital mortality (OR: 1.259; 95%CI: 1.240–1.279). In conclusion, APACHE-II, SAPS-II, and GRACE scores moderately predict CVCU and in-hospital mortalities, with the APACHE-II score exhibiting the highest predictive capability in ACS patients admitted to CVCU.
The Analysis of the Effect of Low Hydrogen SMAW Electrode Drying Temperature on the Bending Strength of Low Carbon Steel Baso Palinrungi, Andi; Halim Asiri, Muhammad; Habib, Faisal
Jurnal Sains dan Teknik Terapan Vol. 3 No. 2 (2025): Jurnal Sains dan Teknik Terapan
Publisher : Unit Penelitian dan Pengabdian Kepada Masyarakat, AK-Manufaktur Bantaeng

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pemilihan jenis elektroda pada pengelasan dapat menentukan kualitas hasil lasan. Elektroda low hydrogen dipastikan yang akan digunakan selalu kering, sebaiknya berada di lingkungan bebas dari kelembaban atau dalam kondisi siap pakai dan kering. Jika elektroda telah menyerap air melebihi batas yang diperbolehkan, maka elektroda tersebut harus dipanaskan sebelum digunakan pada saat mengelas untuk menghilangkan kandungan air. Penelitian ini bertujuan untuk menganalisa kekuatan bending pada material baja karbon rendah ST 37 pada pengelasan SMAW dengan suhu pengeringan. Hasil pengelasan dengan pemanasan elektroda dengan perlakuan panas 1500 C, 3000C dan tanpa perlakuan panas selama masing-masing 60 menit diuji menggunakan uji bending. Dari hasil data pengujian dan diolah dalam persamaan diperoleh pada pengujian bending didapatkan nilai tegangan bending tertinggi pada elektroda panas 3000C sebesar 1819,99 N/mm2 dan yang terendah pada elektroda tanpa perlakuan panas sebesar 574.43 N/mm2. Hasil penelitian ini menunjukkan bahwa pengaruh suhu pengering elektroda low hydrogen sangat berpengaruh terhadap kekuatan bending dari hasil pengelasan sesuai rekomendasi pabrikan elektroda.
Lower-temperature sintering and optimization ratio of SiO2-TiO2-B2O3-ZnO glass ceramic coatings for energy efficient tile Habib, Faisal; Mahmuddin, Mahmuddin; Arif, Muhammad Imam
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8846

Abstract

Conventional ceramic tile glazes typically require firing temperatures above 1180°C, leading to high energy consumption and production costs. Despite extensive studies on composition and crystallization, integrated optimization of oxide balance, crystallization kinetics, and energy efficiency at reduced temperatures remains limited. This study aims to develop and optimize SiO₂–TiO₂–B₂O₃–ZnO glass-ceramic coatings through a combined experimental and data-driven approach to achieve enhanced mechanical performance at lower sintering temperatures. A series of compositions were formulated using locally sourced raw materials and sintered at 1080–1160°C. The crystallization behavior was first characterized using Differential Scanning Calorimetry (DSC) and fitted with the Johnson–Mehl–Avrami–Kolmogorov (JMAK) kinetic model. Phase evolution and microstructure were examined through X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). Mechanical and optical performance were evaluated via Vickers microhardness testing, gloss measurement, and bulk density analysis. Multivariate regression and energy-performance correlation analysis were conducted using MATLAB. The results demonstrate that increasing TiO₂ content promotes heterogeneous nucleation, lowering crystallization peak temperature from 785°C to 725°C and increasing enthalpy release from 48 to 64 J/g. The Avrami exponent (n = 1.75–1.95) indicates three-dimensional crystal growth with mixed nucleation mechanisms. Vickers hardness improved from 515 HV to 670 HV with increasing TiO₂ concentration, while gloss moderately decreased due to enhanced crystalline fraction. The optimal composition (55 mol% SiO₂, 8 mol% TiO₂, 2 mol% B₂O₃, 2 mol% ZnO) achieved 648 HV, 63 GU, and a 12% reduction in firing energy, demonstrating the feasibility of energy-efficient coating design.
EVALUASI DINAMIKA TITIK BERAT KURSI RODA PADA KEMIRINGAN JALAN 20° BERDASARKAN SIMULASI DAN PERHITUNGAN ANALITIS Usman; Faisal Habib; Hairun Apriadi Ramadhan; Angga Tegar Setiawan
JURNAL ILMIAH MOMENTUM Vol 21 No 2 (2025): Oktober 2025
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/mim.v21i2.14195

Abstract

According to data from Indonesia’s Central Statistics Agency (BPS) and the Ministry of Social Affairs [1,2], over 5.3 million individuals with physical disabilities face mobility challenges, particularly when using wheelchairs on sloped terrain. A major issue is the instability of manual wheelchairs on steep inclines, which increases the risk of tipping and requires assistance. This study aims to evaluate the dynamics of center of gravity (COG) shifts in wheelchairs on road slopes up to 20°, using simulation and analytical calculation methods. The methodology includes literature review, wheelchair type surveys, slope condition observations, and system kinematics and force analysis. Results show that the COG remains within a safe zone during slope transitions, with reaction force distribution remaining stable between 87.63 and 93.26 kg. Pressure on the front and rear wheels remains within safety limits, avoiding deformation or loss of traction. The highest power consumption recorded was 144.56 watts during ascent, which significantly decreased on flat or descending terrain. The findings suggest that the proposed wheelchair design is adaptive, safe, and energy-efficient, making it suitable for users with disabilities navigating urban environments with varied topography.
Co-Authors Afifah, Yuri Andra, Cut Aryfa Angga Tegar Setiawan Anjarwani, Setyasih Arif, Muhammad Imam Astiawati, Tri Bagaswoto, Hendry P. Baso Palinrungi, Andi Danny, Siska S. Dewi U. Djafar, Dewi U. Dewi Utari Djafar, Dewi Utari Hairun Apriadi Ramadhan Hakim, Dennis I. Halim Asiri, Muhammad Hamri Hamri Hamri, Hamri Haykal, T. Bob Hendry Purnasidha Bagaswoto Ilhami, Yose R. Ilhami, Yose Ramda Indra Prasetya Jaya, Muh. Aksan Juzar, Dafsah A. Juzar, Dafsah Arifa Lubis, Hilfan Ade Putra Mahmuddin Mahmuddin Mohammad S. Rohman Mukhtar, Zulfikri Muzakkir, Akhtar F. Muzakkir, Akhtar Fajar Rustam Efendi Siska Suridanda Danny Sitepu, Andika Sungkar, Safir Tamba, Ratna Mariana Usman Wirawan, Hendy