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All Journal Geo Media: Majalah Ilmiah dan Informasi Kegeografian Jurnal Ilmiah WUNY Tunas Geografi Swara Bhumi Pendidikan Geografi Rekayasa Mesin Turbo : Jurnal Program Studi Teknik Mesin Warta Perpustakaan Pusat Undip JURNAL EDUCATION AND DEVELOPMENT JURNAL PENDIDIKAN TAMBUSAI JURNAL REFORMASI ADMINISTRASI Jurnal Ilmiah untuk Mewujudkan Masyarakat Madani GEOGRAPHY : Jurnal Kajian, Penelitian dan Pengembangan Pendidikan JURNAL GEOGRAFI Geografi dan Pengajarannya International Journal of Social Learning (IJSL) Jurnal Otoranpur ARMATUR : Artikel Teknik Mesin dan Manufaktur Improvement: Jurnal Manajemen dan Bisnis Geographica: Science and Education Journal GeoEco Geosfera Indonesia
EKO BUDIYANTO
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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THE STUDY OF KARST DESERTIFICATION MAROS PANGKEP BASED ON LANDSAT 8 OLI IMAGERY Eko Budiyanto; Nugroho Hari Purnomo; Muzayanah Muzayanah; Aida Kurniawati; Ketut Prasetyo; Nastiti Sigra Dewi Maginta
GeoEco Vol 8, No 1 (2022): GeoEco January 2022
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ge.v8i1.51425

Abstract

This study aimed to examine the spectral imagery of Landsat 8 OLI  that can determine the level of tropical karst desertification Maros Pangkep South Sulawesi. The study method is based on the characteristics of spectral imagery of Landsat 8 OLI. Spectral characteristic analysis was conducted based on derivative index values of Landsat 8 OLI of single-channel spectral values, index spectral values, maximum values, mean, minimal index, and spatial analysis. The results showed that spectral imagery of Landsat 8 OLI can be used as the identifier of the desertification process, that is in band 5 whose maximum value is indicated by the spectral value of vegetation. The karst desertification level in the study area showed that 0.3% of the regions were strongly desertified or 0,97 km2 , 4.1% of medium desertified or 12,03  km2, 16.7% were mildly desertified or 49,17 km2, and 78.9% were not desertified or 232,57 km2. Observation results for image accuracy shows that strongly desertified areas of land use are mining and cement industries, the medium desertified areas are utilized for marble mining, the mildly desertified areas are utilized for agricultural land, and not desertified areas land are being utilized for tropical rain forest is still dense.
Implementing Google Earth to Enhance Student’s Engagement and Learning Outcome in Geography Learning Ebid Rocky Alfatikh; Elizabeth Titiek Winanti; Sukma Perdana Prasetya; Eko Budiyanto
Geosfera Indonesia Vol. 5 No. 1 (2020): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v5i1.11987

Abstract

This study aims to examine the effects of Google Earth on students’ engagement in learning and their learning outcome. This study employed pre-experimental design with the One-Shot Case Study design. From the exploration directed crosswise over various areas of evaluation of 12 students in the school, it is demonstrated that dynamic learning of students in was high since it was above 75% and learning outcomes reached an average of 80. This is good considering that the passing grades set in the school was 70. The application of experiential learning methods can produce satisfactory output when viewed from student participation. By looking at the characteristics of schools where students number was less than 20, the teacher is required to develop innovative learning methods. If implemented, this may yield in the improving circumstance of the currently marginalised Geography. Keywords: Google Earth; Student`s activities; Geography learning. Copyright (c) 2020 Geosfera Indonesia Journal and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License
Contamination of E.coli Bacteria in Spamdus Genjahan Water Distribution Network from Karst Groundwater Source Eko Budiyanto; Nugroho Hari Purnomo; Muzayanah Muzayanah; Aida Kurniawati
Geosfera Indonesia Vol. 9 No. 1 (2024): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v9i1.37040

Abstract

Karst groundwater is raw water used by Spamdus Genjahan to fulfill domestic water needs. Considering the vulnerability of karst groundwater to pollution and its distribution process, the research aimed to describe the suitability of water in the network as well as the spatial distribution of E.coli and the relationship between distance and it’s concentration. The concentration of E.coli was tested from water samples taken from 20 outlets as representatives of the close, medium and farthest distances from the source. The feasibility of water is carried out by comparing the results of laboratory tests with the water quality threshold value for clean water and domestic purposes. Spatial distribution was analyzed through spatial analysis using Geographic Information Systems, while the relationship between distance and E.coli concentration was carried out using the scatterplot method in GIS. The results showed that the concentration of E.coli in most of the samples was above the allowable threshold for sanitation hygiene purposes. Meanwhile, the distance from the outlet to the source did not show a strong correlation with the level of E.coli concentration. However, there are weak indications that lead to an increase in concentration with the E.coli.
Teknologi RANCANG BANGUN SISTEM HIDROLIK PADA ALAT PELEPAS DAN PEMASANG RANTAI TANK AMX-13: Sistem Hidrolik Alat Pelepas dan Pemasang Rantai Tank AMX-13 Budiyanto, Eko; Bayu Aji Kuncoro; Ardiyanto Darmanto
Jurnal Otoranpur Vol. 4 No. 2 (2023): Jurnal Otoranpur
Publisher : Pustaka Poltekad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54317/oto.v4iOktober.364

Abstract

Kendaraan tempur Tank AMX-13 adalah merupakan kendaraan tempur berlapis baja dan beroda rantai yang dimiliki TNI AD. Diproduksi oleh negara Prancis pada tahun 1960, Tank AMX-13 ini memiliki beberapa jenis diantaranya jenis Canon, Recovery, APC. Kendaraan Tempur Tank AMX-13 merupakan kendaraan tempur aset lama yang dimiliki oleh TNI AD yang masih digunakan sampai saat ini baik di medan tempur maupun di medan latihan. Tuntutan kesiapan operasional dan tugas pokok dari satuan Kavaleri TNI AD, pelepasan dan pemasangan rantai pada Tank AMX-13 membutuhkan perhatian. Terdapat kendala yang dihadapi oleh anggota pada saat pelepasan dan pemasangan rantai yaitu membutuhkan banyak personil, waktu yang kurang efisien serta tingkat keselamatan personel yang kurang. Ada beberapa kendaraan yang mengalami putus ataupun lepas rantai pada saat di medan operasi akibat kendaraan tidak bisa dioperasionalkan lagi. Pada penelitian ini menggunakan metode literatur dengan pengumpulan buku-buku referensi dan jurnal yang terkait dengan sistem hidrolik. Berdasarkan permasalahan tersebut disarankan pelepasan dan pemasangan rantai tank AMX-13 sistem hidrolik lebih efisien dibandingkan dengan yang manual karena dalam hal pengoperasian, Dari hasil perhitungan debit dan daya pompa hidrolik serta daya motor listrik tersebut, dapat disimpulkan bahwa untuk melepaskan dan pemasangan rantai Tank AMX-13 yang memiliki beban 1720 N dibutuhkan debit pada pompa yaitu 2,52 Liter/menit dan daya pompa hidrolik 63,17 Watt serta Daya motor listrik yaitu 38 Watt.
TEKNOLOGI RANCANG BANGUN MEKANISME PEMBANGKIT INDUKSI ELEKTROMAGNETIK PADA SISTEM SUSPENSI MOBIL HIBRIDA: OTORANPUR Budiyanto, Eko; Muhamad Danial, Fikri; Lalu Saefullah
Jurnal Otoranpur Vol. 4 No. 2 (2023): Jurnal Otoranpur
Publisher : Pustaka Poltekad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54317/oto.v4iOktober.375

Abstract

Abstrak: Dalam upaya untuk mengurangi dampak lingkungan dan ketergantungan pada bahan bakar fosil, pengembangan teknologi alternatif untuk menghasilkan dan mengelola energi menjadi krusial. Mobil listrik, merupakan salah satu solusinya. Salah satu cara pengisian ulang listrik pada mobil listrik adalah merancang bangun mekanisme pembangkit induksi elektromagnetik pada sistem suspensi. Sistem suspensi pada mobil telah dikenal memiliki potensi yang signifikan untuk menghasilkan energi dari pergerakan ini. Penelitian ini bertujuan untuk merancang dan mengimplementasikan mekanisme pembangkit induksi elektromagnetik yang terintegrasi pada sistem suspensi mobil hibrida. Metodologi penelitian melibatkan tahap perancangan konseptual, pembuatan prototipe, dan pengujian statis. Hasil pengujian ini menunjukkan alat dapat mengisi battery dengan kapasitas 12 volt. Waktu efektif yang diperlukan ke empat alat untuk mengisi penuh battery dengan kapasitas 12 volt 2 ampere hour adalah 1 jam 27,66 menit. Berdasarkan hasil tersebut dapat disimpulkan bahwa mekanisme pembangkit induksi elektromagnetik mampu menghasilkan energi listrik dengan tingkat efisiensi yang memadai dan energi yang dihasilkan dapat disimpan dan digunakan sebagai sumber daya tambahan untuk sistem mobil hibrida.
Teknologi RANCANG BANGUN CONVERTER TORSI MENGGUNAKAN SISTEM HIDROLIK: Otoranpur Budiyanto, Eko; Eduwar, Nurul; Ali Imron, Akhmad
Jurnal Otoranpur Vol. 4 No. 2 (2023): Jurnal Otoranpur
Publisher : Pustaka Poltekad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54317/oto.v4iOktober.393

Abstract

Sistem hidrolik mempunyai peran krusial pada dunia industri baik pada industri pangan, manufaktur, pembangkit listrik, dan lain sebagainya. Sistem hidrolik memiliki banyak keuntungan serta kemudahan diantaranya adalah fleksibel, variatif, dan berefisiensi tinggi. dalam mengaplikasikannya, sistem hidrolik menggabungkan silinder hidrolik melalui aktuator mekanis yang bertujuan supaya mempunyai fungsi yang lebih baik. pengontrolan cara kerja hidrolik dikerjakan dengan manual memakai rangkaian saklar, lalu berkembang menggunakan rangkaian kontraktor serta relay. Converter torsi ialah transmisi hidro dinamik yang bermanfaat untuk memindahkan daya dan melipatgandakan momen dari poros penggerak ke poros beban secara halus dengan bantuan oli sebagai fluida kerja. Titik kopling (clutch point) karakteristik converter torsi adalah titik kerja dimana terjadi keseimbangan momen pompa dan turbin. Gangguan desain dan tugas converter torsi ialah putaran yang dicapai, kopling dan semua kriteria energi wajib mencapai nilai optimum. Poros transmisi ialah campuran dari transmisi, kopling dan diferensial digabung, letak nya di depan atau di belakang diganti dengan gardan diferensial.
Uji ketahanan fatik aluminium hasil remelting piston bekas menggunakan metode pengecoran centrifugal casting Nugroho, Eko; Budiyanto, Eko; Kurniawan, Rubi; Sumosusilo, Joko
TURBO [Tulisan Riset Berbasis Online] Vol 8, No 2 (2019): Jurnal Turbo Desember 2019
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v8i2.1097

Abstract

Aluminum is one of the non-ferrous metals that are most widely used in the engineering field due to it has mild properties and is resistant to corrosion, but aluminum waste such as used pistons that are damaged or not utilized as an proper resource, on the other hand, that this process is very potential due to it uses a used piston that is not used, and is expected to have a better economic value by doing remelting and centrifugal casting to the used piston. This study aims to determine the value of the fatigue cycle of the used piston which is remelting and printed using the centrifugal casting method by using variations in the pouring temperature and die temperature and rotation variations. Based on the tests conducted using pouring temperature variations and rotation speed are as follows: best cycle value at 250 rpm variation is at pouring temperature 600oC with a value of 76000 N, and the lowest is at room temperature of 750oC with a value of 32000 N, best cycle at a variation of 500 rpm is at a pouring temperature of 700oC with a value of 40000 N, and the lowest is at a room temperature of 660oC with a value of 12000 N. The best cycle value at a variation of 750 rpm is at a pouring temperature of 750oC with a value of 16000 N, and the lowest is at room temperature 660oC with a value of 10000 N. While the results of subsequent tests conducted using variations in die temperature and rotation speed are as follows: the best cycle value at 250 rpm variation is at a print temperature of 350oC with a value of 17400 N, and the lowest is at room temperature of 250oC with a value of 8370 N. The best cycle value at a variation of 500 rpm is at a print temperature of 350oC with a value of 67760 N, and the lowest is at a room temperature of 250oC with a value of 22850 N. The best cycle value at a variation of 750 rpm is at a print temperature of 350oC with a value of 75170oC. and the lowest is at room temperature of 250oC with a value of 28940 N.Keywords: Centrifugal casting, fatigue test, remelting, used piston, aluminum, cycle value.Barbarslot adalah salah satu situs resmi slot deposit 5000, 5rb dan depo 5k terbaru dengan beragam permainan terbaik tahun 2025.
Dinamika Spasial Permasalahan Transportasi di Demak: Perspektif Geografi Transportasi dalam Menghadapi Tantangan Banjir Rob dan Infrastruktur yang Terdampak di Wilayah Kabupaten Demak Maarif, Muhammad Yusuf; Budiyanto, Eko
Jurnal Ilmiah WUNY Vol. 7 No. 2 (2025): Jurnal Ilmiah WUNY
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jwuny.v7i2.84708

Abstract

Indonesia has very diverse topographical and geographical conditions. This gives rise to the frequent occurrence of natural disasters in several regions. One of them is Demak Regency, which is included in the North Coast of Java area and is located in lowlands, basins, and close to river flows. Tidal flooding disasters often hit the area, and certainly the occurrence of these disasters will impact several aspects. One aspect that is affected is the disruption of transportation network access. This article discusses the impact of tidal flooding on infrastructure conditions, particularly related to transportation in Sayung, Bonang, and Karang Tengah Districts of Demak Regency. The method used in writing this article is descriptive qualitative. Source collection was conducted through literature study or library research through various previous studies that can be accessed on the internet. The results of the research are Spatial Dynamics of Tidal Flooding, Impact of Tidal Flooding on Infrastructure and Transportation, Challenges in Facing Transportation Problems, and Solutions in Overcoming Transportation Problems.
Co-Authors Achmad Masruri Agus Setiawan AGUSTINA MS, RETNO Aida Kurniawati Aida Kurniawati Aida Kurniawati Aida Kurniawati Aida Kurniawati Aida Kurniawati Aida Kurniawati ALDONAVY PRABUDIMAS, CINDY Ali Imron, Akhmad Alven Ahmad Burhany APRILIANA, TRIAS Ardhyan Dwi Nurcahyo Ardiyanto Darmanto Asroni Asroni Asroni, Asroni Bahfie, Fathan Bambang Hariyanto Bayu Aji Kuncoro Chanthoeurn Dock Deva Agus Setiawan Dimas Anggoro Dimas Hendra Sasmita Djarot B. Darmadi, Djarot B. Ebid Rocky Alfatikh Eduwar, Nurul Eko Nugroho Eko Nugroho Elizabeth Titiek Winanti ENY SULISTYOWATI Fahmi Fahrudin Fadirubun Fattah, Ariesta Nuur HARIYANTO, SETIYAWAN Harnowo Supriadi Indratmoko, Andreas Luki Juli Murtini Kemas Ridhuan Ketut Prasetyo Khofifah Maulida Sari Kurniawan, Rubi KUSUMA WARDANI, GANDHI Lalu Saefullah Larasati, Amira Lukito Dwi Yuono, Lukito Dwi Lutfi Ailuul Waahidati Maarif, Muhammad Yusuf Moch. Agus Choiron Muhamad Danial, Fikri Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Muzayanah Nastiti Sigra Dewi Maginta Nastiti Sigra Dewi Magita NUGROHO HARI PURNOMO Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nugroho Hari Purnomo Nurcahyo, Ardhyan Dwi Permatasari, Ivana Pertiwi, Sri Endah Pramono, Atik PUJI LESTARI, EKA Rindawati Rindawati Rini Novianti Rudiyanto Rudiyanto, Rudiyanto Rumpoko HS, Hendro Sari, Khofifah Maulida Sri Murtini Sukma Perdana Prasetya Sulis Dri Handono Sulis Drihandono Sulistiyo, Danang Sumosusilo, Joko SYAHADAH NOVITA SARI, ARINI Untung Surya Dharma, Untung Surya Wahyono Wahyono Wahyudi, Tri Cahyo Wahyudin, Dian Wiwik Sri Utami