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All Journal Journal of Applied Science, Engineering and Technology (J. ASET) Cerdika: Jurnal Ilmiah Indonesia Nemui Nyimah
Mochammad Resha
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Public Health Social Sciences Other

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Effect of Changing Point Angle and Helix Angle Values of Drill Bit on Bone Drilling Simulation Eko Wahyu Saputra; Mochammad Resha
Journal of Applied Science, Engineering and Technology Vol. 4 No. 2 (2024): December 2024
Publisher : INSTEP Network

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/jaset.v4i2.69

Abstract

Abstract: Orthopedic surgery treats disorders of the bones and soft tissues, especially in cases of accidental fractures. One method of fracture healing is to place plates and bolts in the bone. However, the drilling process for plate installation can cause an increase in temperature around the drilling area, which risks causing necrosis in the bone. This study aims to examine the effect of drill bit design on the temperature generated during bone drilling. Modifications to the point angle, helix angle of the drill bit can reduce the temperature during drilling. The results of this study suggest that optimizing the drill bit design can reduce the risk of necrosis and improve drilling efficiency, which can accelerate the healing process of broken bones. Keywords: Orthopedic surgery, bone fracture, drilling temperature, drill bit design, necrosis.
Analisis Gaya Aerodinamika Pada Turbin Angin Darrius H-Rotor Tipe Tiga Sudu Mochammad Resha; Ridwan
Cerdika: Jurnal Ilmiah Indonesia Vol. 4 No. 12 (2024): Cerdika: Jurnal Ilmiah Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/cerdika.v4i12.2348

Abstract

Sudu turbin angin memiliki prinsip kerja mengkonversi energi angin menjadi energi mekanik. Bentuk sudu dipengaruhi oleh profil airfoil yang memiliki karakteristik aerodinamika berupa koefisien momen (CM) yang mempengaruhi peforma gaya aerodinamis yang dihasilkan oleh sudu. Penelitian ini bertujuan menganalisis peforma sudu turbin angin H-Rotor dengan jenis airfoil NACA 0018, SELIG 1210, dan FX 63-137 menggunakan metode Blade Element Theory. Metode penelitian dilakukan dengan menguji karakteristik aerodinamika airfoil di terowongan angin rangkaian terbuka pada kecepatan angin 7,2 m/s. Metode analisis dilakukan dengan menganalisis gaya hambat (FD), gaya angkat (FL), gaya normal (FN), gaya tangensial (FT) yang dihasilkan setiap posisi sudu. Posisi sudu dipengaruhi oleh sudut azimuth yang terdapat pada setiap sudu turbin angin tipe H-Rotor sehingga nilai sudut serang berubah – ubah pada setiap posisi sudu. Hasil analisis menjelaskan gaya tangensial mempengaruhi torsi serta daya yang akan dihasilkan. Novelty dari penelitian ini terletak pada pendekatan sistematis dalam pemilihan airfoil yang optimal berdasarkan analisis gaya aerodinamis secara komprehensif, dengan fokus khusus pada perbandingan karakteristik udara dalam berbagai posisi sudu. Pemilihan airfoil NACA 0018 dengan sudut serang pemasangan awal sebesar 15° menghasilkan rata – rata gaya tangensial selama satu putaran sebesar 502,2 Newton menjadi pilihan yang tepat digunakan pada Turbin angin H-Rotor jenis 3 sudu.
Pengaruh Penggunaan Aplikasi Power BI dalam Analisis Produksi di Pabrik Karton Box XYZ di Provinsi Lampung, untuk Meningkatkan Efisiensi dan Pengambilan Keputusan Angga Darma Prabowo; Dondi Kurniawan; Sabiqunassabiqun; Rizal Nazarrudin; Nurcahya Nugraha; Eko Wahyu Saputra; Mochammad Resha; Saputra, Rizal Adi
Nemui Nyimah Vol. 5 No. 1 (2025): Nemui Nyimah Vol. 5 No. 1 2025
Publisher : FT Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/nm.v5i1.164

Abstract

This study aims to analyze the impact of using Power BI in improving efficiency and decision-making at Karton Box XYZ Factory in Lampung Province. Using action research methodology, production data, machine efficiency, product quality, raw material usage, and response time data were collected and analyzed before and after the implementation of Power BI. The results show that the implementation of Power BI successfully increased daily production, machine efficiency, product quality, as well as reduced raw material waste and response time. With its ability to visualize data in real-time, Power BI assisted the factory in optimizing production processes and enhancing operational efficiency. This study concludes that the use of Power BI has a positive impact on the factory's operational performance, boosting competitiveness, and supporting faster and more accurate data-driven decision-making.
Co-Authors Angga Darma Prabowo Dondi Kurniawan Eko Wahyu Saputra Nazarrudin, Rizal Nugraha, Nurcahya Ridwan Rizal Adi Saputra Sabiqunassabiqun