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All Journal Jurnal Teknik Mesin Rotasi Rekayasa Mesin Semesta Teknika Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Teknik Informatika (JUTIF) Jurnal Media Teknologi METAL : Jurnal Sistem Mekanik dan Termal Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) TEKNOSIA Teaching English as a Foreign Language Journal ADJES (Ahmad Dahlan Journal of English Studies) Asian Journal of Social and Humanities Jurnal Polimesin Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Dharmakayana: Journal of scientists, engineers, educators and scientific activists related to society development SEMINAR TEKNOLOGI MAJALENGKA (STIMA)

Dedi Suryadi

Universitas Bengkulu

Author-ID : 2899689

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

Published : 39 Documents Claim Missing Document

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Design and Manufacture of Portable Coffee Roaster with LPG Heater System Dedi Suryadi; Satryo Ramadhani; Agus Suandi; Nurul Iman Suparrdi; Novalio Daratha
Jurnal POLIMESIN Vol 21, No 1 (2023): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i1.2622

Bengkulu Province is one of Indonesia's top coffee producers. However, coffee processing is still done traditionally. Therefore, modern processing is required, particularly in the roasting process, which is vital in deciding the flavor of the coffee. This study aims to design, build, and test a low-energy coffee roaster with a capacity of 2 kg. The components of a coffee roaster are designed according to the demands and relevant standards, such as drum volume, drum material, shaft size, pulley size, belt, burner stove, and motor parameters. The coffee roaster is then tested by altering the distance between the fire holes to 10, 15, and 20 mm with a diameter of 3 mm, as well as varying the rotating speed of the drum to 60, 65, and 70 rpm and varying the coffee varieties, namely Robusta and Arabica. The testing of coffee roasting equipment with a capacity of 2 kg went smoothly. The results show that the ideal distance of the stove burner hole to attain 200 °C was discovered at a distance of 10 mm and a distance of the stove to the drum of 10 mm with a time of 17.24 minutes. For Robusta and Arabica coffee beans testing, the light roast should be roasted for 10 minutes. The medium roast requires 15 minutes of roasting time. And the dark roast requires a 20-minute roasting process. Furthermore, the rotating speed of the drum has little influence on the character of roasted coffee beans

PENGARUH MODERNISASI SISTEM ADMINISTRASI PERPAJAKAN DAN PENYULUHAN PERPAJAKAN TERHADAP KEPATUHAN WAJIB PAJAK BADAN Qodariyah, Indri Nur Alfi; Suryadi, Dedi; Yuniati, Yuniati

Publisher :

Penelitian ini dilakukan untuk melihat pengaruh modernisasi sistem administrasi perpajakan dan penyuluhan perpajakan terhadap kepatuhan wajib pajak badan di Kantor Pelayanan Pajak (KPP) Pratama X di Jawa Barat. Manfaat penelitian ini untuk menambah pengetahuan bagi penulis, memberi masukan dan bahan evaluasi bagi Kantor Pelayanan Pajak (KPP) Pratama X di Jawa Barat atas modernisasi sistem administrasi perpajakan, dan manfaat bagi akademisi menjadi bahan untuk memperkaya wawasan mengenai modernisasi sistem administrasi perpajakan dan penyuluhan perpajakan terhadap kepatuhan wajib pajak badan. Metode penelitian yang digunakan adalah metode penelitian deskriptif dan verifikatif, dan teknik pengumpulan data dengan cara penyebaran kuesioner. Pengolahan data dilakukan dengan metode statistik nonparametrik dengan menggunakan analisis regresi berganda. Berdasarkan hasil penelitian dapat disimpulkan bahwa modernisasi sistem administrasi perpajakan dan penyuluhan perpajakan berpengaruh secara simultan terhadap kepatuhan wajib pajak badan di Kantor Pelayanan Pajak (KPP) Pratama X di Jawa Barat.

PENGARUH MODERNISASI SISTEM ADMINISTRASI DAN SANKSI PERPAJAKAN TERHADAP KEPATUHAN WAJIB PAJAK ORANG PRIBADI PADA KPP PRATAMA BANDUNG X Zuhdi, Muhammad Imam; Suryadi, Dedi; Yuniati, Yuniati

Publisher :

Penelitian ini dilakukan untuk melihat seberapa besar pengaruh modernisasi sistem administrasi dan sanksi perpajakan terhadap kepatuhan wajib pajak orang pribadi. Manfaat penelitian ini adalah untuk menambah ilmu pengetahuan bagi peneliti, memberi masukan dan informasi kepada Kantor Pelayanan Pajak pratama Bandung X tentang modernisasi sistem administrasi perpajakan, sanksi perpajakan, dan kepatuhan wajib pajak khususnya orang pribadi. Dan manfaat bagi akademisi menjadi referensi dalam melakukan penelitian-penelitian untuk selanjutnya. Metode penelitian yang digunakan adalah metode regresi linier berganda, dan teknik pengumpulan data dengan cara penyebaran kuesioner pada pegawai seksi bagian pelayanan pajak dan pegawai seksi bagian pengawasan dan konsultasi pajak. Hasil nilai koefisien regresi membuktikan bahwa modernisasi sistem administrasi berpengaruh terhadap kepatuhan wajib pajak orang pribadi dan Sanksi perpajakan berpengaruh terhadap kepatuhan wajib pajak orang pribadi. Serta Modernisasi Sistem Administrasi dan Sanksi Perpajakan secara bersama-sama berpengaruh terhadap Kepatuhan Wajib Pajak Orang Pribadi pada KPP Pratama Bandung X.

Interaction and meaning in K-Pop interviews: A conversation analysis of NCT127 on the BUILD Talk Show Purwanti, Eko; Astutiningsih, Rini Tri; Sari, Mariska Intan; Meisa, Wistri; Suryadi, Dedi; Dharmayanti , Margaretha
Teaching English as a Foreign Language Journal Vol. 3 No. 2 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/tefl.v3i2.1111

Understanding conversation analysis (CA) in a K-pop interview setting offers valuable insights into how multilingual speakers manage turn-taking, negotiate meaning, and engage in structured dialogue within a media context. This study examines the interactional patterns in an interview between Kevan Kenney and the K-pop idol group NCT127 on the BUILD talk show. Using a Conversation Analysis (CA) approach, this research aims to identify the CA aspects that emerge during the interview and to explore their communicative functions. A qualitative approach, specifically a descriptive qualitative method, was employed to analyze the primary data, which consisted of a video interview and its conversational transcript. The findings reveal the presence of key CA elements, including opening conversation, adjacency pairs, preference organization, turn-taking, feedback, repair, and closing conversation. Additionally, six communicative functions—referential, emotive, conative, phatic, metalinguistic, and poetic—were identified. These results highlight the structured nature of conversation in media interviews and the role of language functions in shaping interaction, particularly in cross-cultural and multilingual settings. By analyzing this interaction, the study contributes to the broader field of discourse analysis, particularly in media and intercultural communication.

CONNECTING ROD FAILURE ANALYSIS UNDER MAXIMUM LOADING Suryadi, Dedi
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 3 No. 1 (2019): April 2019
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v3i1.9932

Motorcycle is one of the public transportation consisting of several components. One of the main components is connecting rod, that is a connector part between the piston and crankshaft. Connecting rod is often getting damage, such as bent or broken. The damage is as the result of the continuously working connecting rod that caused a fatigue on components. Therefore, strength analysis is needed to be conducted to determine the cause of the damage on the connecting rod. The application of force on the mechanism crank must be considered especially in the analytical calculations and simulations. The object of this research is the connecting rod of motorcycle using AISI 1070 material. The finite elements model is applied on the model by using ANSYS workbench 14.0 software. The boundary conditions are also applied on the big end part is fixed suport, while at the small end is subjected to loads due to the dynamic motion of the system. As the results, maximum stress and safety factor are obtained. The maximum stress is 164.7 MPa and smaller end part with safety factor of 3.01. According to the result, the connecting rod is safe

ANALISA LEVEL GETARAN COOLING WATER PUMP 1 JENIS SENTRIFUGAL Carnegie, Novrian; Suryadi, Dedi; Fitrilina, Fitrilina
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 4 No. 1 (2020): April 2020
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v4i1.13275

PLTA Musi merupakan pembangkit listrik tenaga air dengan tipe Run of River (RoR) yang dimana bekerja dengan cara membelokkan sebagian aliran sungai musi untuk dimanfaatkan sebagai energi primer pembangkit. Pada Cooling Water System PLTA Musi terdapat Cooling Water Pump (CWP) yang berfungsi untuk memompakan air dari draft tube ke bagian peralatan yang membutuhkan sistem pendingin pada saat unit dioperasikan. Dalam pengoperasian pompa dapat terjadi berbagai masalah yang menimbulkan kerusakan, salah satunya disebabkan oleh getaran. Analisa getaran merupakan salah satu faktor pendukung untuk meminimalisir terjadinya getaran berlebih pada pompa. Kegiatan predictive maintenance dalam bentuk conditional monitoring vibration atau pemantauan getaran kondisi aktual dilakukan untuk mengetahui gejala kerusakan pada Cooling Water Pump. Pengukuran dilakukan menggunakan alat ukur VibXpert II berdasarkan standar ISO 18016-3 dengan kondisi operasi putaran poros 1486 RPM, daya 90 kW, dan 4 titik pengukuran. Nilai vibrasi tertinggi terdapat pada posisi DE Pompa dengan arah horizontal sebesar 3,71 mm/s. Nilai vibrasi tersebut sudah berada pada area alarm. Hasil analisa spektrum yang didapat pada penelitian diketahui jenis gangguan yang terjadi berupa indikasi kerusakan Mechanical Looseness Tipe B pada titik pengukuran DE Motor dan Mechanical Looseness Tipe C pada titik pengukuran DE Pompa.

RANCANG BANGUN MODEL PINTU GARASI OTOMATIS MENGGUNAKAN SENSOR RFID Budiharjo, Rahmat Satrio; Suryadi, Dedi; Suryono, Ahmad Fauzan
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 4 No. 2 (2020): Oktober 2020
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v4i2.18392

The aim of this research is to develop a model of automatic home garage door using RFID sensor. Here, mechanical and control systems were designed. Mechanical systems were used 12V DC motors. Whereas, automatic control systems were carried out using PLC and Arduino UNO microcontrollers. Therefore, the desired speed and time can be controlled. Automatic garage doors worked with a drive system that is the influence of the distance to the distance and time generated during opening and vertical automatic doors. Theresult showed that automatic home garage door has been successfully developed.

Flow Characteristics of Pumps in Series and Parallel Lesmana, Pandu; Nuramal, Agus; Suryadi, Dedi
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 5 No. 2 (2021): Oktober 2021
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v5i2.20173

Pump is a device used to move fluid. The pump moved the fluid from a lower pressure place to a place with higher pressure. If the head or pump capacity needed cannot be achieved using only one pump, it can use two pumps or even more which can be arranged either in series or in parallel. The research objective for pumps arranged in series and in parallel is to determine the characteristics of the circuit of two pumps each of which has different characteristics. In this study, data retrieval is done by measuring the pressure on suction and discharge using pressure gauge at pumps 1 and 2. Whereas to measure the flow rate of a pump arranged in series and parallel using a flowmeter installed on the discharge side of the circuit. This research was done by varied the valve openings on the pump discharge side 2 namely. 2x1800, 4x1800, 6x1800, 8x1800 and full openings. From the results of tested the characteristics of the pump used water fluid on the series arrangement, the highest head value at valve opening 2 x 1800 is 30.99 m at discharge 0 LPM and the lowest head at valve opening 10 x 1800 (full) is 23.99 m at discharge 0 LPM. In parallel circuits, the highest head obtained is 16.99 m with 0 LPM discharge at 8 x 1800 valve openings and lowest head 14.99 at 0 LPM discharge occurs at full valve openings.

MODAL ANALISIS PADA ROTARY KILN DENGAN MENGGUNAKAN METODE ELEMEN HINGGA Wahyu Rahmat Hidayat; Dedi Suryadi
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 6 No. 2 (2022): Oktober 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v6i2.25456

This research is based on the general damage to the rotary kiln due to continuous use. Then the results from the burned in a Rotary Kiln So we need a prevention to overcome it. Testing the vibration mode on a rotary kiln machine is a solution to overcome the limit on the use of the finite element menthod. With the completion procedure of finite element software with the step of Rotary Kiln Geometry Modeling Process, Rotary Kiln Geometry Import Process, Rotary Kiln Geometry Import Process, Material Data Input Process, Meshing Process, Determination of Boundary Conditions, Running Process, and Port Processing. The results of this study are from the finite element simulation obtained in the form of the frequency value of the natural response of the structure and the deflection due to vibrations that occur in the rotary kiln Indarung IV PT Semen Padang. And it was concluded that the vibration mode experienced by the rotary kiln has a natural frequency value, the vibration mode of the rotary kiln structure obtained a maximum value of 63.3 Hz, while the minimum value obtained a value of 41.805 Hz. The maximum deflection of the rotary kiln is obtained from the analysis results of 0.058981 mm while the minimum deflection value is 0.045 mm.

ANALISIS KERUSAKAN PADA TURBIN DENGAN METODE VIBRATION ANALYSIS Situmorang, Egi Seven; Suryadi, Dedi; Alparisi, Ahmad Salman
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 7 No. 1 (2023): April 2023
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v7i1.30102

In the operation of the turbine, various problems can occur which cause damage, one of which is caused by vibration. Vibration analysis is one of the supporting factors to minimize excessive vibrations in the turbine. Predictive maintenance activities in the form of conditional monitoring vibration or vibration monitoring of actual conditions are carried out to determine the symptoms of damage to the turbine. Measurements were carried out using VibeXpert II based on ISO 18016-5 standards with operating conditions of 70 MW turbine load and 500RPM rotation measured on the DE Turbine and NDE Generator. The highest value is in the horizontal DE Turbine 77.04 µm (pk-pk) and 104 µm (pk-pk) on the NDE Generator. This value is already in the acceptable zone to operate in the long term. The results of spectrum analysis that can be identified as the cause of the vibrations that occur are indications of unbalance on the DE Turbine and Overhung on the NDE Generator.

Co-Authors A Sofwan FA Abidin, Zenal Adhadi Kurniawan Afif Chaniago Bastiar Afrizal, Yuzuar Agus Nuramal Agus Nuramal Agus Suandi Agus Suandi Agus Suandi, Agus Agustian, Indra Ahmad Fauzan Ahmad Fauzan Suryono Ahmad Fauzan Suryono Aji Arya Dewangga Al Ayufhi, Syahlahudhin Alparisi, Ahmad Salman Arie Vatresia Arie Vatresia Astutiningsih, Rini Tri Bismantolo, Putra Bowo Anugrah Budiharjo, Rahmat Satrio Cahyani, Ananda Pramesti Regita Carnegie, Novrian Dani, Admon Daratha, Novalio Dharmayanti , Margaretha Fadilah, M. Hafidz Febliansa, Muhammad Rahman Febriyanto, M Reza Firdaus, Hendra Firtrianty Wardhani Fitranita, Vika Fitri, Tessa Zulenia Fitrilina, Fitrilina Gupta, Neeraj Hade Syamitra Helmizar Hendra Hendra Hendri Hestiawan Hendy Santosa Hernadewita, Hernadewita Indra Agustian Indra Agustian Indri Nur Alfi Qodariyah Leonanda, Benny Dwika Lesmana, Pandu M. Rasyid Ridlo M.Hapis Apmarwansahrowi Maimuzar Maimuzar Meilianda, Rifki Meisa, Wistri Muhammad Imam Zuhdi Munadi Munadi Mustagfirin, Alfin Nizam, Ahmad Novalio Daratha Novalio Daratha Novalio Daratha Nurul Iman Supardi Nurul Iman Suparrdi Nuryadi, Rio Arian Syaputra Panjaitan, Felix Budianto Pasandalan, Sittie Noffaisah Pratama, M. Dicky Qodariyah, Indri Nur Alfi Ramadani, Dwi Ramadhan, M. Fajar Roni Permana Saputra Santosa, Hendy Sari, Mariska Intan Satryo Ramadhani Setyawan, Harry Prayoga Situmorang, Egi Seven Sri Astuti Syukran Syukran Utama, Agus Bayu Wahyu Rahmat Hidayat Yanalseta, Rifaldi Yanuardi, Endi Yovan Witanto Yuniati Yuniati Yuniati Yuniati Zuhdi, Muhammad Imam Zuliantoni, Zuliantoni

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