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All Journal International Journal of Electrical and Computer Engineering IAES International Journal of Artificial Intelligence (IJ-AI) E-Jurnal Medika Udayana Rotasi Media Statistika Jurnal Ilmu Informasi Perpustakaan dan Kearsipan Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Journal of Education and Learning (EduLearn) Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan JURNAL EVALUASI PENDIDIKAN Rekayasa Mesin Jurnal Media Hukum Jurnal Ilmiah Teknik Industri Jurnal Rekayasa Mesin Jurnal Bioedukasi Turbo : Jurnal Program Studi Teknik Mesin International Journal Pedagogy of Social Studies JURNAL KONSELING GUSJIGANG PEMBELAJAR: Jurnal Ilmu Pendidikan, Keguruan, dan Pembelajaran BERDIKARI : Jurnal Inovasi dan Penerapan Ipteks Indonesian Journal of Educational Counseling Jurnal Ilmiah Ilmu Kesehatan: Wawasan Kesehatan Jurnal Analisis Sosial Politik Administratio : Jurnal Ilmiah Administrasi Publik dan Pembangunan Nagari Law Review GHIDZA: Jurnal Gizi dan Kesehatan JURNAL ILMIAH MAHASISWA AGROINFO GALUH JOPS (Journal Of Pharmacy and Science) CARADDE: Jurnal Pengabdian Kepada Masyarakat JURNAL PENDIDIKAN TAMBUSAI Bisma The Journal of Counseling Jurnal Kreativitas PKM Psychology, Evaluation, and Technology in Educational Research Satwika : Kajian Ilmu Budaya dan Perubahan Sosial TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Jurnal Keperawatan Respati Yogyakarta Menara Ilmu JURNAL TEKNOLOGI INFORMASI Atfaluna: Journal of Islamic Early Childhood Education J-KESMAS: Jurnal Kesehatan Masyarakat Al-Asalmiya Nursing: Journal of Nursing Sciences JAIM (Jurnal Abdi Masyarakat) Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Infotekmesin Tadabbur: Jurnal Peradaban Islam Bali Medika Jurnal Diagnosis: Jurnal Ilmiah Kesehatan Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Journal of Telenursing (JOTING) Reviu Akuntansi dan Bisnis Indonesia Journal of Applied Sciences and Advanced Technology Jurnal Papatung : Jurnal Ilmu Administrasi Publik, Pemerintahan dan Politik Jurnal Peduli Masyarakat Jurnal Bakti Masyarakat Indonesia International Journal of Applied Guidance and Counseling SELODANG MAYANG jurnal hukum das sollen Ideguru: Jurnal Karya Ilmiah Guru G-Couns: Jurnal Bimbingan dan Konseling Jurnal Kesehatan Tambusai Al-Sharf: Jurnal Ekonomi Islam AKSELERASI: Jurnal Ilmiah Nasional Journal of Community Development Jurnal Manajemen dan Ilmu Administrasi Publik (JMIAP) Jurnal SAINTIKOM (Jurnal Sains Manajemen Informatika dan Komputer) Journal of Instructional and Development Researches Jurnal Ekonomi Journal of Research in Instructional ALTRUISTIK : Jurnal Konseling dan Psikologi Pendidikan Absorbent Mind Jurnal Kelola : Jurnal Ilmu Sosial International Journal of Science and Society (IJSOC) Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Al-MIKRAJ: Jurnal studi Islam dan Humaniora Pemuliaan Hukum Jurnal Pembelajaran, Bimbingan, dan Pengelolaan Pendidikan Jurnal Teknik Sipil Institut Teknologi Padang Legal Protection for the Partnership Agreement Parties Jurnal Hukum dan Peradilan QISTINA: Jurnal Multidisiplin Indonesia Jurnal Riset Indragiri Yurisprudentia: Jurnal Hukum Ekonomi e-Jurnal Inovasi Pembelajaran Sekolah Dasar Jurnal Pengabdian Kepada Masyarakat Journal of Economics and Social Sciences DUNIA KEPERAWATAN: JURNAL KEPERAWATAN DAN KESEHATAN JIPM: Jurnal Indragiri Penelitian Multidisiplin Electronic Journal of Education, Social Economics and Technology PharmaCine : Journal of Pharmacy, Medical and Health Science Jurnal Horizon Pendidikan Bulletin of Social Informatics Theory and Application Research in Education, Technology, and Multiculture Social Science Academic Jurnal Edukasi Prosiding Seminar Hasil Penelitian dan Pengabdian Kepada Masyarakat Kanun: Jurnal Ilmu Hukum Jurnal Ilmiah Mahasiswa Fakultas Keperawatan EDUCATIONE: Journal of Education Research and Review Beujroh : Jurnal Pemberdayaan dan Pengabdian pada Masyarakat Proceedings Series of Educational Studies Jurnal Polimesin International Journal of Research in Counseling Lontara Journal Of Health Science And Technology Jurnal Masyarakat Mengabdi (JUMADI) Journal of Clean Technology JPS (Jurnal Perbankan Syariah) Holistik Jurnal Kesehatan Indonesian Journal of Humanities and Social Sciences e-Jurnal Inovasi Pembelajaran Sekolah Dasar Journal of Business Inflation Management and Accounting
Fitri Wahyuni
Alumni Prodi Pend. Biologi FKIP Unkhair
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Journal : Jurnal Rekayasa Mesin

 1 
Studi Eksperimen Pengaruh Jumlah Sudu Terhadap Kinerja Wind Turbine Crossflow Fahrudin, Fahrudin; Wahyuni, Fitri; Oktavitasari, Dini
Jurnal Rekayasa Mesin Vol 16, No 2 (2021): Volume 16, Nomor 2, Agustus 2021
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v16i2.2555

Abstract

Wind is an alternative energy that is environmentally friendly and sustainable. Therefore, we need a type of wind turbine that can receive wind from all directions. The crossflow type vertical axis wind turbine has a high torque coefficient at a low tip speed ratio. The purpose of this study was to determine the effect of the number of blades on the performance of the vertical axis crossflow wind turbine. The experimental test was carried out by varying the number of blades. The configuration is analyzed using the experimental wind tunnel test scheme which has been modified in the section test section. The results showed that the number of blades 16 has a power coefficient ( ) = 0.23 tip speed ratio (TSR) = 0.42 at a wind speed of 4 m / s.
Numerical Modelling of NACA 0015 Airfoil Under Erosion Condition Billad, Rayhan Fariansyah; Julian, James; Wahyuni, Fitri; Iskandar, Waridho
Jurnal Rekayasa Mesin Vol. 19 No. 2 (2024): Volume 19, Nomor 2, Agustus 2024
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v19i2.4992

Abstract

Airfoils that experience erosion with varying Reynolds numbers were studied using numerical methods to determine the effect on the performance of the NACA 0015 airfoil. A Computational Fluid Dynamics (CFD) approach has been used to this research. Reynolds Averaged Navier-Stokes (RANS) was used as the governing equation used in this research. The turbulence model used in this research was k-epsilon model. The Reynolds numbers used are 1.6 × 10⁶, 2 × 10⁶, and 2.5 × 10⁶. This research proves that erosion can reduce the Cl value and increase the Cd value on the NACA 0015 airfoil. Increasing the Reynolds number can also reduce the average Cl value and increase the average Cd value. The decrease in the average value of Cl is 6.561%, 9.392%, and 9.803%, respectively, at Reynolds numbers 1.6 × 10⁶, 2 × 10⁶, and 2.5 × 10⁶. Then, the average Cd value increase is 1.120%, 1.301%, and 1.396%, respectively, at Reynolds numbers 1.6 × 10⁶, 2 × 10⁶, and 2.5 × 10⁶. The contour visualization shows that the airfoil erosion has a pressure contour that increases in the upper chamber and decreases in the lower chamber. This phenomenon also occurs as the Reynolds number increases so that it can reduce the lifting force of the NACA 0015 airfoil. The flow velocity and streamlined contours also show greater circulating flow on the erosion airfoil, which can accelerate the 1 ° AoA stall on the erosion airfoil. The circulating flow also becomes larger as the Reynolds number of the airfoil increases.
Pengaruh Variasi High Density Polyethylene (HDPE) dan Rumput Teki (Cyperus Rotundus L) Terhadap Radiasi Matahari Pada Genteng Komposit Polimer Hamzah, Muhammad Fakhri; Fahrudin, Fahrudin Fahrudin; Wahyuni, Fitri
Jurnal Rekayasa Mesin Vol. 19 No. 2 (2024): Volume 19, Nomor 2, Agustus 2024
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v19i2.5364

Abstract

Penggunaan plastik yang tinggi dan minimnya pengolahan sampah plastik menyebabkan timbulan sampah plastik di Indonesia yang tinggi. Salah satu solusi untuk mengendalikan timbulan sampah plastik yaitu dengan mengurangi pembuangan serta memaksimalkan penggunaan. upaya untuk memaksimalkan penggunaan plastik yaitu dengan mendaur ulang sampah plastik menjadi genteng komposit polimer. Penelitian ini bertujuan untuk mempelajari pengaruh variasi komposisi High Density Polyethylene (HDPE) dan rumput teki (Cyperus Rotundus L) dengan perlakuan alkali terhadap nilai perpindahan panas radiasi pada genteng komposit. Sebelum dikeringkan dan dipotong menjadi serat-serat pendek, rumput teki direndam dalam larutan NaOH 5% selama empat jam. Serat-serat tersebut kemudian dilapisi dengan matriks HDPE untuk membuat empat jenis komposit yang berbeda dengan komposisi berat serat rumput teki masing-masing 0%, 10%, 15%, dan 20%. Pengujian termal dilakukan dengan menggunakan pengujian paparan radiasi matahari langsung. Hasil pengujian paparan radiasi matahari menunjukan temperatur permukaan atas dan bawah genteng komposit tertinggi terdapat pada komposisi serat 0% sebesar 47,4oC, 42,8oC dan yang terendah pada komposisi serat 20% sebesar 46,6oC, 41,6oC dari pengamatan paparan radiasi matahari terdapat temperatur paling tinggi pada jam 11:00 WIB. Penelitian menunjukan semakin bertambahnya komposisi serat rumput teki maka panas yang dihasilkan pada genteng komposit semakin rendah.
Co-Authors AA Sudharmawan, AA Abadi, Dinda Putri Acehan, T. Raden Achmad Zuchriadi Adi Winarta, Adi Afriyanti, Nessy Agus Wartiningsih Agustina, Nurhaliza Ahdim, Hendy Surya Ahsan Ahsan Akil, Rahmah Akkas, Rusmaini Akmal, Reza Najmi Alamsyah, Muh. Nur Aldi Anggara, Rizki amalia, apriliani Anas, Andi Iqram Andi Rahmaniar Andi Sagita, Andi Anggara, Rizki Aldi Anjarie Dharmastuti Anton Prabowo Apriliyanti , Fressi Arbin Janu Setiyowati, Arbin Ardia Putra Arel, Afdhil Arianti, Alivia Eka Arilla Ainda Ubak Arista Kiswantoro, Arista Armadani, Elvi Arnelia, Dela Arpris Pangestu, Arya Arrayya, Rodrigo Aryana, Risma As’ari, Muhammad Agung Asfahani, Asfahani Asneliwarni, Asneliwarni Atikasari, Tiara Cahya Awani, Andi Tenri Ayu, Riana Kesuma Azizah, Suci Midsayhri Azmi, M. Rizqi Bagas Dewantara, Annastya Bambang Budi Wiyono Billad, Rayhan Fariansyah Budhi Martana Budiyantoro, Cahyo Bustami, Alex Wissalam Choiruna, Hasby Pri D. M. Taher, D. M. Darmiwati Darmiwati, Darmiwati Daud Department, administratio Desnita, Eka Dewantara, Annastya Bagas Dian Miranda Dina Amaluis Diningsih, Suci Marta Diniyah, Usrotun Dwiyana, Artiyan Dzikrulloh, Mohammad Hilfi Azra Eddy Noviana Edi Saputra, Ahmad Efik Yusdiansyah Eliyasni, Rifda Elsa Marsellinda Elvi Roza Syofyan Fachrurahman, Indra Fahrudin Fahrudin Fahrudin, Fahrudin Fahrudin Faizin, Rudi Faizza, Amalia Nur Farha, Auditya Farida, Miftahul Fatih, Amri Fauzi, Ade Fikri Ferdyanto, Ferdyanto Fita Kurniasari Fitri, Sri Fuaddah, Dannur Garendi, Aisyah Vitariani Gudnanto Gunasti, Nabilah Dwi Hamzah, Muhammad Fakhri Hanafi, Husni Hapidzha, Putty Harahap, Yudani Alamsyah Hardiman, Mochamad Yana Hariati, Niken Widyastuti Harits, Iasha Brillianti Hartati, Herni Haryani, Ninik Hatijah Hatijah HENDRA GUNAWAN B11211055 Hendra, Joni Hermawan, Salsabila Yuli Adys Hermiza Mardesci Hetti Rahmawati Hidayatullah, Hengki Tri Hutasuhut, Ida Juliana Ibrahim, Rusli Imanuel Hitipeuw Intang, Siti Nur Intang, St Nur Irawan, Aris Irawan, Nurul Afifah Ishaq Ishaq Iskandar, Waridho Isril " James Julian Jamri, Jamri Jati, Revina Sedyaning Junaedi, Thomas Junaidi Junaidi Kartika, Rachmah Nanda Kesuma Ayu, Riana Komariah, Nur Krisnawati, Nova Kurniawan, Jhoni Kurniawan, Nanda Alfan Laloan, Nelviana Nelce Lazim N, Lazim N Lestari, Eva Dewi Lismaini, Lismaini Lumbantoruan, Regina Lumbantoruan, Regina Natalindah Lutfi Fauzan M. Ramli M. Ramli Mahdawanci, Yesi Mahdhudhu, Fathin Muhammad Maidelwita, Yani Malta Nelisa Mardhiah, Siti Martina Martina Martono Martono Masarohmat, Masarohmat Masithah, St Masithah, St. Masithah, St. Masithah Masniladevi, Masniladevi Meiliyana Meiliyana Melliza, Nur mentari, chintia indah Merwanta, Selvi Moch. Syihabudin Nuha Moh Masduki, Moh Moh. Hazim Ahrori Moh. Sholeh, Moh. Mufidah, Elia Firda Muflihatusyawal, Edfitri Muhammad Nur Muhammad Ramli Muhsin Muhsin Mulyana Saputri, Rahayu Muneng, Nadya Lutfiya Nadia Nadia Najib, Ariz Namira, Zahra Berlian Nandy Putra Nasrah Yusuf, Yusriah Naufal, Ridwan Daris Nawawi, Erfan Nisa, Rasya Aulia Nathania Nisa, Raysa Noor Diani Nora Yuniar Setyaputri Novyar Satriawan Fikri, KMS Nuha, Moch. Syihabudin Nur Hidayah Nurcahyani, Icha Dian Nurhasanah Nurhasanah NURMA, TIA Nursalam Nursalam Nurul Fadhilah Oktaviani, Eva Oktavitasari, Dini Orsinil, Warneri Paputungan, Cendra Perdina, Siska Prabowo, Anton Dwi Prasetyo, Eko Andi Pravesti, Cindy Asli Pravesti, Cindy Asli Purba, Riki Hendra Puspasari, Dwi Putra, Fathur Andyka Putri Rahmadani, Putri Putri, Sheila Putri, Suci Nora Julina Putriana, Nanda Rachmat Hargono Rafli, Muhammad Rahayu, Ririn Ami Rahmaniar MB, Andi Rahmaniar, Andi Rahmaniar Rahmatika, Ika Rahmawati Rahmawati Rahmayani, Mentari Tri Indah Ramadhani, Rifqi Ramli Rasyid, Yulianti Rate, Suherman Reda Rizal Reidana, Linka Latifany Falasifa Rellam, Silpa Reni, Ises Restu Dwi Ariyanto, Restu Dwi Rindiani, Wahyu A Rini Irianti Sundary Rini Rahmayanti Rizki Anggara, Rizki Rizky Mustikasari, Bella Rosmawati Rosmawati Rum Rosyid Sabila, Aliza Nur SAKINAH, PUTRI Salsabila Rahmah, Khalda Samsudin Samsudin Santi Widiasari, Santi Santika Sari Saputra, Noverdo Sari, Rena Sarumaha, Rahmat Syarief Satria, Muhammad Fari Sedeq, Khalees Selvia Selvia Sembiring, Rinawati Setiawan, Deri Setiawan, Dimas Adi Sigit Wibowo Silvia Rahayu, Ajeng Siswanto, Alen Siti Aminah Siti Uswatun Hasanah Soraya Soraya St. Masithah, St. Masithah St.Masithah, St.Masithah Suganda, Andrian Suherman, Suherman Sukamta Sukamta Suminarni, Nanik Suriyah, Suriyah Suryani, Nilma Syafruddin Syafruddin Syafruddin, H Syahrizal, MHD Syaiful Amri Syamsul, Musdalifah Syariffuddin Syariffuddin Syariffuddin, Syariffuddin Tamrin Fathoni Taneo, Mario Martin Taufik, Andi Darma Toding Bunga, Nely Tompo, Muh. Nur Alamsyah Tri Umari, Tri Tua, Lomo Mula Ulhaq, Faiz Daffa Vera Devani Vivina Eprillison Wandi, Wandi Wida Ningsih Widyasmoro, Widyasmoro Yahdian Rasyadi Yoyok Bekti Prasetyo Yoza, Prima Yuliana, Sekar Yuliarti, Ista Yuni Astuti Yuniar Lestari Yunita, Mila Yurisman Yusuf, Kurnia Zaman, Akhmad Nidhomuz Zudana, Kirana Zulkifli Ahmad