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All Journal Journal of Science and Applicative Technology Jurnal Maenpo : Jurnal Pendidikan Jasmani Kesehatan dan Rekreasi Jurnal Instrumentasi
Narendra Kurnia Putra
Kelompok Keahlian Instrumentasi Dan Kontrol, Fakultas Teknologi Industri, Institut Teknologi Bandung
Agriculture, Biological Sciences & Forestry Humanities Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Public Health Other

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Analisis Interaksi Aliran Darah dan Pembuluh Serta Pengaruh Kebebasan Mesh Pada Simulasi Hemodinamik Berbasis Metode Elemen Hingga Narendra Kurnia Putra; Bonfilio Nainggolan; Johanna Muliany; S Suprijanto
Journal of Science and Applicative Technology Vol 4 No 2 (2020): Journal of Science and Applicative Technology December Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/jsat.v4i2.273

Abstract

Cardiovascular diseases are the world’s leading cause of death with significant death rates caused by abnormalities in vessels such as aneurysms and stenosis. These conditions can potentially cause blockage and thinning of vessels which may lead to heart attack, stroke, and bleedings. Recently, computational simulation methods are frequently used in blood flow analysis. These methods are frequently used in vascular fluid dynamics analysis which relate to the origin of a disease, efficacy prediction in installation of therapeutic instruments and complements the in vitro studies. This article presents an example of a simple vascular simulation to study the effect of blood flow with respect to vascular wall displacement. Furthermore, this research shows the importance of formal CFD pre-processing such as mesh independence testing which influences the simlation accuracy as well as vascular flow prediction and its effects on vascular wall displacement. In this research, it is concluded that the number of mesh elements affects the accuracy of vascular wall shear stress (WSS) calculations with average WSS difference of 0.8 Pa with no significant difference in wall displacement values. An average WSS of 1.95 Pa and a wall displacement of 5.7 µm are obtained from the blood flow simulation in this study.
Analysis of Gliding Sport Enthusiast Humaid Junior, Ghazi Satriando; Aldianto, Leo; Ramania, Nia Sri; Putra, Narendra Kurnia
Jurnal Maenpo : Jurnal Pendidikan Jasmani Kesehatan dan Rekreasi Vol 13, No 2 (2023): VOLUME 13 NOMOR 2 TAHUN 2023
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jm.v13i2.3629

Abstract

The purpose of this study is to figure out people who has an enthusiasm on gliding sport by looking on their geodemography and psychography, because gliding sport still uncommon for people in Indonesia. This study uses survey method with Google Form as an instrument. The subject of this study are 15 customers of Jakarta Soaring Club. The result of this study shows that mostly the customers of Jakarta Soaring Club come from a male in the age of 21 – 26 years old, have a bachelor’s degree, working as a company employee, have a monthly salary between RP 10.000.000 – 15.000.000, lives in Jabodetabek, and have an adrenaline junkie. The conclusion of this study is the gliding sport enthusiast come from upper-level society who have an interest in gliding and high adrenaline sport, so they choose gliding sport as an activity to do their hobby and interest. This research can conclude that gliding is still an exclusive sport in Indonesia due to expensive fee and difficult access. To expand this sport and for gaining more enthusiasts, we must promote this sport more often especially to those who matched the demography and psychography characteristics based on this survey. The discussion among gliding sport enthusiasts showcased a vibrant and passionate community dedicated to the unique experience of soaring through the skies. From technical details to the camaraderie and environmental considerations, participants demonstrated a holistic approach to gliding, emphasizing the need for continuous learning, safety, and community support within this exhilarating sport.Key words: Analysis, Gliding, Enthusiast, Sport
PENGEMBANGAN ALAT UKUR TEKANAN BERBASIS PNEUMATIK UNTUK PENGUJIAN IN VITRO KEKUATAN MEKANIK SPESIMEN USUS HEWAN Putra, Narendra Kurnia; Lawrence, Christoph; Risangtumi, Ayu Gareta; Nugraha, Prapanca; Rudiman, Reno; Suprijanto, Suprijanto
Instrumentasi Vol 48, No 2 (2024)
Publisher : National Standardization Agency of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/instrumentasi.v48i2.732

Abstract

Studi menggunakan organ usus hewan telah sering dilakukan sebagai prosedur evaluasi metode terapi baru pada prosedur pembedahan digestif seperti pada kasus pembedahan kanker dan anastomosis usus. Namun, proses evaluasi keberhasilan prosedur pembedahan ini biasa dilakukan melalui uji laboratorium patologi klinis yang biasanya memakan waktu yang panjang, pengkondisian khusus, serta biaya yang tidak sedikit. Oleh karena itu, kebutuhan akan adanya alat ukur in vitro pembanding uji performa kuantitatif kekuatan usus hewan pasca terapi.amatlah besar Penelitian ini mengembangkan sistem alat ukur berbasis pneumatik untuk pengukuran tekanan maksimum usus hewan berdasarkan metode burst pressure test yang terdiri atas rangkaian pompa udara, pengontrol pneumatik, dan sensor tekanan. Eksperimen  didahului dengan uji coba kerja sistem menggunakan spesimen uji balon, yang kemudian dilanjutkan dengan uji akhir menggunakan spesimen usus halus dari hewan uji babi ternak. Penelitian berhasil mengukur nilai tekanan maksimal spesimen usus halus babi ternak yang belum pernah diukur sebelumnya yaitu sebesar 20 kPa.
Co-Authors Bonfilio Nainggolan Humaid Junior, Ghazi Satriando Johanna Muliany Lawrence, Christoph Leo Aldianto Maria Elfani Nia Sri Ramania Nugraha, Prapanca Risangtumi, Ayu Gareta Rudiman, Reno Suprijanto Suprijanto Suprijanto, Suprijanto