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INDONESIA
Indonesian Green Technology Journal
Published by Universitas Brawijaya
ISSN : 23554010     EISSN : 23381787     DOI : https://igtj.ub.ac.id/index.php/igtj/
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Engineering Other
The Indonesian Green Technology Journal (IGTJ) is an international journal that publishes recent developments and emerging issues in both conceptual and experimental aspects of green and renewable technology. The Indonesian Green Technology Journal (IGTJ) publishes research results in the theoretical and experimental aspects of green science, engineering, technology, and medicine. Studies published in this journal include; Biomaterials, Green water management, Green energy development and management, Sustainable waste management, Green biotechnology, Green building and architecture, Clean production technology, Global warming technology, and Green building and architecture. This journal also emphasises the significance of green technology development, implementation, challenge, opportunity, and acceptance from an Indonesian perspective. IGTJ is publicly open for publication of review papers, short communication, and research papers. Since 2024, this journal has become an international journal and uses English for every paper that will be published.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 7, No 2 (2018)" : 5 Documents clear
Analisis Distribusi Temperatur Koefesien Perpindahan Panas pada Sistem Pendingin (Simulasi) Menggunakan Porous Media dengan Variasi Porositas Ahmad Hamim Su'udy; Eko Siswanto; Rudy Soenoko
The Indonesian Green Technology Journal Vol 7, No 2 (2018)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.igtj.2018.007.02.04

Abstract

The internal combustion engine is a fairly old machine and currently has many alternative energy which apparently has not been able to shift the role of the internal combustion engine, for the cooling system in the internal combustion engine greatly affect the performance and if not handled properly will cause something fatal, ie when the engine is too hot it can cause over heating and the machine can not work anymore. For Cooling system has been using fin and radiator. Research continues to grow in terms of heat transfer, ie by using porous media. Presence of porous media cooling system is expected to replace the role of fin and radiator easier maintenance and able to transfer heat well. In this case the research is assisted by simulation to see the temperature distribution that occurs in porous media with variation of 10%, 15%, 20% 25%, 30% The result of research by using simulation shows that the porosity value of porous media, the temperature distribution value also greater than. then the higher the porosity value the value (h) the heat transfer coefficient will be low.Keywords: Heat Transport, Porosity, Temperature
Effect of Dayak Onion (Eleutherine palmifolia (L) Merr. Crude Extract on Histopatology of Gills, Kidney, Liver and Muscle of Aeromonas hydrophila- Infected Carp (Cyprinus carpio) Maftuch Maftuch; H. Suprastyani; E. Sanoesi; N. Farida; I. Fransira; N. Habibah; Dwi R. Fatmawati; R. Rinaldi; Ika K. Nisyak; D. Ardiansyah; Asep A. Prihanto
The Indonesian Green Technology Journal Vol 7, No 2 (2018)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1214.524 KB) | DOI: 10.21776/ub.igtj.2018.007.02.01

Abstract

Carp (Cyprinus carpio) is one of important freshwater cultivated fish species in Indonesia. Aeromonas hydrophila  is accounted as potential pathogenic bacteria in Carp, Hence the control for the infection of A. hydrophila is very important. In this study we investigated the effectiveness of crude extract of Dayak onions (Eleutherine palmifolia (L.) Merr) for the treatment of A. hydrophila infected fish. Furthermore, alteration of histophatology of several organs, gills, kidney, liver and muscle were also investigated. Crude Extract of Dayak Onion (Eleutherine palmifolia (L) Merr. (CEDO) with the doses of 50, 60, 70 and 80 ppm were used for treatment of A. hydrophila infected carp for 11 days. Prior to investigation of histopatology of gills, kidneys, hearts, muscle, the Carp was moved to fresh-non infected fish tank. The Result indicated that gill experienced Hyperplasia, Fusion, Necrosis. Kidney experienced Degeneration, Congestion, Necrosis. Liver experienced the vacuole degeneration, congestion, Melano macrophages, necrosis. Muscle experienced Edema and necrosis. But fish treated with 80 ppm treatment showed less damage  and tissue repair.Keywords : E. palmfolia (L.) Merr, A. hydrophila, C. carpio, Histopathology, Gills, Kidney, Liver,  Muscle
Analisis Sebaran dan Kerapatan Mangrove di Teluk Balikpapan Kecamatan Balikpapan Barat Muhammad Rizky Pratama
The Indonesian Green Technology Journal Vol 7, No 2 (2018)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1412.315 KB) | DOI: 10.21776/ub.igtj.2018.007.02.02

Abstract

Teknologi satelit berperan besar dalam perkembangan aplikasi ilmu penginderaan jauh, terutama dalam menganalisa keadaan vegetasi bumi. Ekosistem mangrove adalah satu objek yang bisa di identifikasi dengan menggunakan teknologi pengindraan jauh. Teknologi ini dapat mengawasi persebaran mangrove dengan menggunakan indeks vegetasi. Indeks vegetasi adalah salah satu parameter yang digunakan untuk menganalisa keadaan vegetasi dari suatu wilayah.  Penelitian ini merupkan penerapan sistem informasi geografi dan penginderaan jauh. Tujuan penelitian ini untuk mendeteksi sebaran hutan mangrove dan tingkat kerapatannya. kondisi terkini mengenai sebaran hutan  mangrove di Teluk Balikpapan didapatkan melalui interpretasi citra satelit menggunakan landsat 8. Kerapatan mangrove diidentifikasi dengan menggunakan perhitungan Normalized Difference Vegetation Index(NDVI). Mangrove di Teluk Balikpapan termasuk kawasan mangrove yang terletak di bagian selatan Tanjung Mangkalihat.  Pada kawasan tersebut, mangrove mempunyai peranan sebagai tempat budidaya perikanan setempat dan merupakan habitat berbagai keanekaragaman hayati seperti bekantan (Nasalis larvatus) dan jenis lain yang memiliki potensi secara ekologis maupun ekonomis. Hasil menunjukan sebaran mangrove pada bagian hilir Sungai Wain dan bagian barat Kecamatan Balikpapan Barat. Terjadi penurunan luasan mangrove seluas 730 Ha jika dibandingan dengan luas mangrove di RTRW Kota Balikpapan 2012-2032. Sementara itu, tingkat kerapatan jarang mendominasi distribusi hutan mangrove di Teluk Balikpapan 64,37%; dan kerapatan sedang 35,63%.Kata kunci: Kerapatan, Landsat 8, Mangrove, NDVI, Sebaran
Design and Implementation of Laser Rangefinderfor Obstacle Height Monitoring on Line of Sight of Microwave Communication Link Hudiono Hudiono; Mochammad Taufik; Ridho Hendra Yoga P.; Martono Dwi Atmadja
The Indonesian Green Technology Journal Vol 7, No 2 (2018)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1066.006 KB) | DOI: 10.21776/ub.igtj.2018.007.02.03

Abstract

A laser rangefinder is a device that uses laser light to determine the distance of an object. The working principle of this laser rangefinder is that the laser beam that is emitted to the object will be reflected back to the rangefinder, and the required propagation time of laser beam will be calculated to get the distance value. In this study, a laser rangefinder system was designed to be used as monitoring of obstacle height between the line of sight of a microwave communication link using a quadcopter, which is used as a top-viewer picture taker. The quadcopter was used as a device to carry the laser rangefinder to measure the obstacle height between the location points of near-end and far-end. The obstacle height reading results were transmitted using a 5.8 GHz wireless transceiver to the monitoring location in real time. The data received were then processed to be displayed in the form of obstacle height graph as a function of the line of sight communication distance. The test results show that the implementation of laser rangefinder technology has an accuracy of more than 90%.Keywords: Line of Sight, Laser Rangefinder, Near-end and far-end, Quadcopter, Obstacle
Land Use Suitabililty Evaluation Based on Land Capability in Mojokerto Regency Zuhri Firdaus; Soemarno Soemarno; Sudarto Sudarto
The Indonesian Green Technology Journal Vol 7, No 2 (2018)
Publisher : Program Pascasarjana Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.igtj.2018.007.02.05

Abstract

In its development, Mojokerto Regency experienced very rapid growth. The form of development control efforts to run optimally and sustainably is measuring the carrying capacity of the land. This study aims to evaluate the suitability between land capability and actual land use and allocation of land space patterns (RTRW) of Mojokerto Regency. Land capability is obtained by spatial analysis and overlay on several criteria for land boundary factors including soil texture, effective depth, drainage, land slope, and erosion rate. The description of actual use is obtained using landsat 8 OLI images at coverage time in May 2018. The results of the study show that the ability of land in Mojokerto Regency varies from class I land to class VIII land. The actual condition of land use in Mojokerto Regency 98% or an area of 95314.33 Ha was used according to the ability of the land, and 2% or an area of 2078.67 Ha the area used was inappropriate. Whereas in the allocation of land space patterns in Mojokerto Regency, 78.85% or an area of 76798.89 Ha was allocated accordingly, and 0.90% or an area of 875.29 Ha was allocated to exceed the capacity of the land, then 19.39% or an area of 18884.18 Ha is an allocation of land in a conditional manner so treatment is needed to optimize land use. This finding can be used to control land use and rearrangement materials for the allocation of land space in Mojokerto Regency.Keywords: Land capability, Actual land use, RTRW

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