302 results

Study of analysis and repair of drop voltage with load breaking method at CD 125 PT. PLN UP3 Bintaro

Agusutrisno Agusutrisno; Wahyu Prabowo; Bayu Bagoes Wicaksono et al.

Teknika, Vol. 17 No. 1 · 2021 · Indonesian · DOAJ

Judul: Studi analisa dan perbaikan tegangan jatuh dengan metode pecah beban pada gardu CD 125 PT. PLN UP3 Bintaro Title: Study of analysis and repair of drop voltage with load breaking method at CD 125 PT. PLN UP3 BintaroSistem distribusi listrik pada jarak yang jauh dan kelebihan beban dapat…

Analysis resistance and flow patterns of hull catamaran axe bow for tourism boat

Romadhoni Romadhoni; Budhi Santoso; Bobi Satria et al.

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

The axe bow type catamaran is a ship used specifically for recreational purposes between Beting Island Aceh, which has two hulls (catamarans). This analysis aims to see a more reductive resistance value that can be used in the Beting Island Aceh (Rupat) waters. To get the main size of the ship…

Hazard vulnerability analysis on disaster mitigation at Jakarta Medical Center Hospital

Nurul Hikmah; Tatan Sukwika

Teknika, Vol. 17 No. 1 · 2021 · Indonesian · DOAJ

Judul: Analisis hazard vulnerability terhadap mitigasi bencana di Rumah Sakit Jakarta Medical Center Title: Hazard vulnerability analysis on disaster mitigation at Jakarta Medical Center HospitalRumah Sakit sebagai fasilitas kesehatan masyarakat umum menjadi tujuan utama masyarakat untuk pemenuhan…

Rainwater harvesting system planning and design (Case study: Female dormitory building, Campus E Untirta Sindangsari)

Restu Wigati; Rama Indera Kusuma; Fahrus Sabri

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

The female dormitory building on the campus E Sindangsari Untirta, which has 161 inhabitants, needs a relatively large amount of clean water. The need is a potential application of rainwater harvesting systems (RWHS) to save water usage. Moreover, in the rainy season, the excess volume of water…

Characteristics of mangosteen rind peel off gel mask with various concentrations

Tri Partuti; Priyanti Priyanti; Hutssy Elya Nadyana et al.

Teknika, Vol. 17 No. 1 · 2021 · Indonesian · DOAJ

Judul: Karakteristik masker gel peel off kulit buah manggis (Garcinia mangostana L.) dengan berbagai konsentrasi Title: Characteristics of mangosteen rind peel-off gel mask (Garcinia mangostana L.) with various concentrationsManggis (Garcinia mangostana L.) merupakan tanaman yang memiliki buah…

Application of contemporary smart building architecture at the Parahyangan Citywalk Shopping Center in Kota Baru Parahyangan

Agung Prabowo Sulistiawan; Muhammad Aflah Fernanda; Andiyan Andiyan

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Under the development of an increasingly modern era, intelligent buildings and infrastructure need to be built and operated in line with the progress of the future city. The shopping center building is a building that became one of the hallmarks of the city. Therefore the application must be…

Characteristics of aluminum-based composites reinforced of Al2O3/B4C by accumulative roll bonding (ARB)

Agus Pramono; Anne Zulfia; Ali Alhamidi et al.

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Metalworking technology is currently developing rapidly, especially the processing of metal composite materials. The metalworking process in which ultra-large plastic strains are introduced into the device to create ultra-fine grained metal is a new method for producing high-strength metals. This…

Evaluation of resilience modulus of polymer-modified asphalt mixture using gypsum filler

Dwi Esti Intari; Rindu Twidi Bethary

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Road infrastructure plays an important role as one of the driving wheels of economic growth and development so that during its service life, it can provide good comfort and safety with quality that must be met. The selection and change of materials used are measures to preserve the pavement…

Tolerance assay of Pb resistant bacteria isolated from water of Ciujung River

Fajri Ikhsan; Syarif Abdullah; Ahmad Shulhany et al.

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Bacteria are one group of some agents that are commonly used in biosorption. The Pb tolerance bacteria has been proved in many types of research. In the previous study, some bacteria were isolated from the Ciujung river, Serang, Banten water. This research studied the Pb maximum tolerance of those…

Physicochemical properties of semi-refined carrageenan by bleaching pretreatment

Denni Kartika Sari; Indar Kustiningsih; Heri Heriyanto et al.

Teknika, Vol. 17 No. 1 · 2021 · Indonesian · DOAJ

Judul: Sifat fisikokimia semi-refined carrageenan dengan bleaching pretreatmentTitle: Physicochemical properties of semi-refined carrageenan by bleaching pretreatment Produk semi refined carrageenan (SRC) merupakan hasil pengekstrakan alga merah dari tumbuhan lontar. Semi refined carrageenan…

Analysis of the application of polluted groundwater treatment technology using shell-based activated carbon media filters

Dedy Khaerudin; Ardi Hidayat

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

One source of clean water used by residents of Sendal Kopo Subvillage, Panenjoan Village, Carenang District, Serang Regency comes from dug wells (groundwater), has a problem with very cloudy, yellow, sour taste and smells due to contamination from residual waste and the rest of the rice field…

Effect of temperature and drying time on chemical characteristics of duck bone meal

Nurul Qisti; Angga Nugraha; Zulfatun Najah

Teknika, Vol. 17 No. 1 · 2021 · Indonesian · DOAJ

Judul: Pengaruh suhu dan waktu pengeringan terhadap karakteristik kimia tepung tulang bebek Title: Effect of temperature and drying time on chemical characteristics of duck bone meal Limbah tulang itik menjadi menjadi perhatian masyarakat khususnya masyarakat Kabupaten Sidrap, Sulawesi Selatan…

Optimization of activated carbon yield using the Taguchi method in synthesizing activated carbon from wood charcoal

Barlin Barlin; Wei-Chin Chang

Teknika, Vol. 17 No. 1 · 2021 · Indonesian · DOAJ

Judul: Optimalisasi rendemen karbon aktif menggunakan metode Taguchi dalam mensintesis karbon aktif dari arang kayu Title: Optimization of activated carbon yield using the Taguchi method in synthesizing activated carbon from wood charcoalArang kayu telah digunakan sebagai bahan baku pembuatan…

Improvement of the power factor on the distribution line feeder Sutami 23 Lampung using capacitor bank and SVC with ETAP 12.6 simulation

Alvin Harista Rahman; Ahmad Hidayahtullah; Afrida Nurul Ulfa et al.

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

A good power distribution rate is the key to the success of electric power service providers in fulfilling consumer rights. A poor power distribution rate will cause a lot of losses, both for consumers and providers. The power distribution rate is closely related to the power factor value (PF). Low…

Analysis security system performance MIPv6 in signaling process using AES and Twofish algorithms

Supriyanto Praptodiyono; Fadil Muhammad; Dhandy Wiriyadinata

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Mobile technology has become a necessity for modern society in the digital era. The ease of various information processes is a driving force for the growth of mobile users. To support continuous connectivity, Mobile IPv6 (MIPv6) is a solution and successor to the current Mobile IPv4 technology…

BACK MATTER (Subject Index, Author Index, Acknowledgment)

Teknika Jurnal Sains dan Teknologi

Teknika, Vol. 17 No. 1 · 2021 · Indonesian · DOAJ

Article review: Comparison of octane booster additive for gasoline

Gustiana Awaludin Sobarsah; Nuryoto Nuryoto; Jayanudin Jayanudin

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Gasoline is a petroleum-derived liquid that is most typically used in internal combustion engines, especially those utilizing spark ignition. Gasoline is a hydrocarbon blend that contains sulfur, nitrogen, oxygen, and other metals. Olefins, aromatics, paraffin, and naphthenes are the four main…

FRONT MATTER

Ahmad Shulhany

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Inventory management of 50 kg packaged cement products with a lot sizing ratio (case study: XYZ warehouse)

Annisa Sherina Rahmadhani Hasibuan; Wahyuda Wahyuda; Farida Djumiati Sitania

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

XYZ is a trading and shipping company for building needs. The problem experienced by XYZ Warehouse is the high demand for Conch 50 kg cement products without being balanced with good inventory management so that companies often experience shortages and excess supplies which can increase inventory…

Monitoring and assembly of internet of things-based solar power plants

Ikhsan Romli; Muhammad Arif Hidayat; Candra Naya

Teknika, Vol. 17 No. 2 · 2021 · Indonesian · DOAJ

Electricity is a major need in the industrial era 4.0, where almost all human activities use electricity both at home and in companies. Not all of the electricity needs can be met by the state electricity company. Therefore, alternative energy sources are needed to be used as power plants to meet…