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PENGARUH JUMLAH SUDU TERHADAP UNJUK KERJA 3D PRINT TURBIN AIR TIPE VORTEX Alvin Dio Nugroho; Purbo Suwandono; Dadang Hermawan; Arief Rizki Fadhillah
TURBO [Tulisan Riset Berbasis Online] Vol 11 No 1 (2022): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i1.1935

Abstract

The potential of natural resources in the form of water energy is a renewable natural resource that is often used because it does not damage the environment and can be used continuously. This water flow has two types, namely laminar flow and turbulent flow, the forces generated from these two flows are also different. Turbulent flow tends to produce a greater force and can lift object masses better than laminar flow. Therefore, a vortex turbine has emerged which utilizes turbulent flow as a waterwheel drive, by directing laminar flow towards the cross section and converting it into turbulent flow by utilizing the force of gravity and The cross-sectional shape forms a whirlpool that can move a waterwheel and turn a turbine. The number of blades is very influential on the performance generated from the vortex turbine and affects the resulting output, be it voltage, current, rotational speed, torque and efficiency. In this study, the best results were shown on blades with a total of 6, at a rotational speed of 141.3 rpm; at the voltage shows the result of 0.28 volts; at current it produces 44 mA; at Torque (Nm) 0.22 Nm; and the efficiency is 76.5%.
Pemanfaatan dinding sebagai permukaan kondensasi untuk meningkatkan kinerja solar still double slope Nova Risdiyanto Ismail; Purbo Suwandono; Dadang Hermawan; Frida Dwi Anggraeni
TURBO [Tulisan Riset Berbasis Online] Vol 12 No 1 (2023): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v12i1.2439

Abstract

Indonesia is an archipelagic country that often experiences drought, especially in the dry season. In the dry season, there is very abundant solar and seawater energy, so to overcome the problem, you can use solar still technology that utilizes solar energy to process seawater into condensate / fresh water economically. Various efforts are made to optimize the performance of solar stills, in this case the study aims to utilize the wall as a condensation surface to improve the performance of solar still double slope. The study was conducted experimentally by comparing: 1. Solar still double slope without utilizing the wall as a condensing surface, 2. Solar still double slope by utilizing the north side wall as a condensing surface, 3. Solar still double slope by utilizing the south side wall as a condensation surface, and 4. Solar still double slope by utilizing the north and south side walls as condensing surfaces. The results of the study using solar still double slope by utilizing the north wall as a condensing surface obtained the highest productivity of 1966 ml and the highest efficiency of 68.58%.
Co-Authors AA Sudharmawan, AA Adin Nurrohman Aditya Wahyu Winadi Atmajaya Agung Suprapto, Agung Agus Nofiyanto Ahmad Rusli Wahyu Setiawan Akbar, Dzulfikar Johan Akhmad Farid Akhmad Farid Akhmad Farid Akhmad Rizal Fanani Al Barr, Muhammad Haafizh Alvin Dio Nugroho Andy Hardianto Andy Hardianto Anggunio, Cornelius Arie Restu Wardhani Arief Rizki Fadhillah Dadang Hermawan Dadang Hermawan Dias Mardianto Dicky Dikananda Nafis Dicky Dikananda Nafis Diky Siswanto Dlofir, Aan Taufik Dwi Anggraeni, Frida Fachrudin Fachrudin Fachrudin Hunaini Fanani, Akhmad Rizal Ferdinando, Rio Fressy Nugroho Frida Dwi Anggraeni Frida Dwi Anggraeni Gatot Soebiyakto Gatot Soebiyakto Gatot Soebiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Gatot Subiyakto Hakim, Muhammad Izzuddin Abdul Hangga Wicaksono Heni Pujiastuti Hunaini, Fachrudin Hutri Wicaksono, Leo Imaduddin, Fitrian Imam Hambali Ismail*, Nova Risdiyanto Ismail, Nova Ridiyanto Kusmuryadi, Agung Leo Hutri Wicaksono Lukman Hakim M. Agus Sahbana M. Ghazali Arrahim Moch. Zainul Achyak Mochammad Nurcholis Majid Muhammad Agus Sahbana Muhammad Agus Sahbana Muhammad Arief Hidayat Muhammad Ilman Nur Sasongko Muhammad Reza Nafisah, Viona Ngudi Tjahjono Nova R. Ismail Nova Risdiyanto Ismail Nova Risdiyanto Ismail Ismail Novayako, Riza Dandy Nurida Finahari Nurkholis Hamidi Pambudi, Wisnu Setyo Catur Prakoso, Yogi Iman Prasetyo, Rino Ayogi Adi Prihandarini, Ririen Priyandoko Gigih Putra, Gusty Nanda Kharisma R. Ismail, Nova Rama Agus Santoso Ramadhani, Auzhar Rafli Ririen Prihandarini Rizki Hidayat Sigit Tri Wicaksono Silviana Silviana Silviana Silviana Sitanggang, Rickie Natanael Solichi, Azis Sumartono Ali Putra Sunjana, Dhanie Freida Aji Suriansyah, Suriansyah Ubaidillah Ubaidillah Ubaidillah Ubaidillah Wahai, Rizky Wahyudi, M. Ilham Setyo Wicaksono, Hangga Wicaksono, Leo Hutri Widya Wijayanti Wijaya, Rendra Adi