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All Journal Jurnal Kelautan : Indonesian Journal of Marine Science and Technology SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Ilmu Kelautan Kepulauan INTEGRITAS : Jurnal Pengabdian Jurnal Abdi Insani Juvenil: Jurnal Ilmiah Kelautan dan Perikanan Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan Journal of Community Development Dedikasi: Jurnal Pengabdian kepada Masyarakat PEKAT : Jurnal Pengabdian Kepada Masyarakat Riset Sains dan Teknologi Kelautan Jurnal Manajemen Pesisir dan Laut Akselerasi Luaran Pengabdian Masyarakat Jurnal Polimesin Journal of Aceh Aquatic Sciences Dental Agromedis
Wazirotus Sakinah
Program Studi Teknik Konstruksi Perkapalan, Universitas Jember, Jember, Indonesia
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Studi Eksperimen Pengaruh Ekstrak Kulit Nanas terhadap Laju Pertumbuhan Mikrofouling Wazirotus Sakinah; Achmad Ilham Dwi Prasetyo; Nugroho Jarot Dwi Ardiansyah; Rudianto Rudianto; Akhmad Ganefo; Yanuar Nurdiansyah
Jurnal Manajemen Pesisir dan Laut Vol 1 No 02 (2023): Jurnal Manajemen Pesisir dan Laut
Publisher : Program Studi Teknik Kelautan Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mapel.v1i02.3671

Abstract

Biofouling often sticks to the ship's hull, even to the propeller parts and pipes that are submerged in water. The existence of this biofouling has an impact on the ship's performance, reducing it and requiring more fuel, which ultimately contributes significantly to increased costs. Microfouling is one of the stages of biofouling growth that appears in a matter of days to weeks with a size of up to 1 mm which can be characterized by the appearance of a slippery layer on the surface of the specimen. Until now, many antifouling paints, as a means of preventing the occurrence of biofouling, still contain TBT, which has serious side effects as a chemical pollutant. Pineapple peel is a waste that is often found in Indonesia and contains bromelain and tannin which are anti-bacterial. The appearance of bacteria is the first phase in the growth of biofouling which is usually called biofilm, so it is hoped that pineapple peel extract will be able to prevent the emergence of biofilm. To determine the effectiveness of pineapple peel extract, this experimental study was carried out. The method used was a Randomized Block Design on ASTM 36 steel plate which is a certified ship material with 3 variations and 1 control of specimen as follows, 3 specimens as controls, 3 specimens with a ratio of 30% pineapple peel extract, 3 specimens with a ratio of pineapple peel extract. 50%, and 3 specimens with a pineapple peel extract ratio of 70%. Immersion for 7 weeks was carried out at Boom Beach, Banyuwangi by calculating the DGR (Daily Growth Rate) once a week. The DGR results obtained were respectively 0.095 g/day at an extract ratio of 30%, 0.0727 g/day at an extract ratio of 50%, and 0.0730 g/day at an extract ratio of 70%.
Studi Eksperimental Laju Pertumbuhan Fouling Pada Pelat Besi Dan Alumunium Dengan Metode Pelapisan Cat Dan Lilin Mohammad Wahyu Dwi Setiawan; Amjad Mulkus Fadlurrohman; Grandys Prameswari; Wazirotus Sakinah
Jurnal Manajemen Pesisir dan Laut Vol 1 No 01 (2023): Jurnal Manajemen Pesisir dan Laut
Publisher : Program Studi Teknik Kelautan Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mapel.v1i01.2781

Abstract

The majority of offshore buildings are made of metal materials such as steel, aluminum, and so on. Metallic materials have the potential for damage due to corrosion and fouling growth. This requires regular maintenance and repair to prevent damage to an offshore building structure. Therefore, research was conducted on the rate of fouling growth through the mechanism of testing steel and aluminum materials using the iron paint coating method and wax as an inhibitor with the immersion method in marine waters in the Marina Boom beach area of Banyuwangi Regency. The results obtained in this study are the Daily Growth Rate (DGR) value. The highest DGR value is on steel material using iron paint coating with a value of 0.1828 grams. The lowest DGR value is in aluminum material using wax coating with a value of 0.0744 grams. So it can be concluded that aluminum material has better resistance to fouling growth compared to steel material and the coating method using wax is more effective for inhibiting or as an inhibitor of fouling growth compared to iron paint.
The Effect of SiC and Cu Weight Fraction on the Characteristics of Al 6061 Composite Sumarji Sumarji; Danny Febriansyah; Mahros Darsin; Wazirotus Sakinah; R. Puranggo Ganjar Widityo
Jurnal POLIMESIN Vol 21, No 1 (2023): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i1.3280

Abstract

Composites are made of multiple materials that are combined to create new materials with better properties. The purpose of this study is to determine the effects of SiC and Cu weight fractions on hardness, tensile strength, microstructure and scanning electron microscopy (SEM) of Al 6061 composites. The manufacturing method used for creating composites in this study was stir-casting. Each composite component and its functions are as follows: aluminum 6061 as the matrix, silicon carbide (SiC) as a reinforcement, and copper (Cu) functions to improve the characteristics of the composite. Variations were made by weight composition of SiC (1%, 3%, and 5%) and Cu (5% and 8%). Observations were carried out on their hardness, tensile strength, and microstructure; each of which using Rockwell hardness test B (ASTM E 18 standard), a multipurpose tensile testing machine, and SEM, respectively. The results of this study indicate that the addition of SiC and Cu affects the aluminum 6061 characteristics. The best result of the hardness test was shown at Al6061 + 5% SiC + 8% Cu (109.37 HRB). The best tensile strength (UTS) test result was shown at Al6061 + 5% SiC + 8% Cu (211.8 MPa) with elongation number of 2.8%. There has been a significant reduction in grain size under micro observations that occurred very well but was still relatively not uniform. The result of several SEM observation phases formed by the combination of Al6061 and the addition of 5% SiC + 5% Cu and 8% Cu showed an observation phase of AlZnMgCu, α (Al) + AlZnMgCu, Al2Cu, and Al2CuMg.
PEMODELAN NUMERIK SEBARAN OKSIGEN TERLARUT DI ESTUARI WONOREJO, SURABAYA DAN DAMPAKNYA TERHADAP EKOSISTEM ESTUARI Wazirotus Sakinah; Saifurridzal Saifurridzal; Alaudin Alaudin
Journal of Aceh Aquatic Sciences Vol 5, No 2 (2021): Journal of Aceh Aquatic Sciences
Publisher : Journal of Aceh Aquatic Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jaas.v5i2.4701

Abstract

Wonorejo river estuary is a wide estuary in Surabaya. It becomes mangrove conservation area. But, many land conversion from mangroves to ponds up to the dense pollution on the river neighbour make water quality issues especially for DO in that water. Based on this situation, the aim of this study is to find distribution of DO in Wonorejo river estuary, to know that water quality standard based on the quality standard criteria, and to know the effect of DO Wonorejo river estuary into estuarine ecosystem. A hydrodynamic and water quality model with MIKE 21 Hydrodynamics and ECO Lab module are used to examine distribution of water quality parameters in Wonorejo river estuary in one month at dry season. Validation used DO measurement in 10 sites along Wonorejo estuary at same season. Then, analyze the impact into estuarine ecosystem was used. DO concentration has interval 5,26 - 5,72 mg/L at high tide and 5,027 - 5,65 mg/L at low tide. After one month, DO in estuary has the highest concentration 5,536 mg/L. Based on literature, this concentrations can make shrimps growth bothered. But, this concentration is still not exceeding from quality standard for marine biota in Environment Ministry Regulation Number 51/2004. Optimizing the role of Local Government and mangrove rehabilitation according to procedures in the estuary area.
Sosialisasi dan Pelatihan Pemanfaatan Sampah Organik Sebagai Eco-Enzyme Kepada Wanita Pesisir Pulau Santen, Banyuwangi Sakinah, Wazirotus; Puspita, Hery Indria Dwi; Rudianto, Rudianto; Saifurridzal, Saifurridzal; Suyoso, Gandu Eko Julianto
Journal of Community Development Vol. 3 No. 2 (2022): December
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v3i2.87

Abstract

Banyuwangi has quite a lot of coastal areas. However, the negative impact of many coastal areas is that garbage is generally disposed of in the waters starting from the river which will eventually empty into the sea or directly dumped into the open sea. The mindset of Indonesian people including Banyuwangi residents who consider the sea as a garbage dump has not changed much. Santen island is one of the beaches in Banyuwangi with less waste management. As a solution to these problems, socialization is needed to increase awareness to the community and provide training to the community in handling organic waste. Socialization and training conducted is the utilization of organic waste as Eco-Enzyme with partners are coastal women. Eco-Enzyme is. This PkM implementation method consists of five stages, namely Pre-activity, presentation, Breefing training, training, and Evaluation and closing. Participants who attended this activity were 23 women of various ages. On the day of the training, the participants had prepared all the materials, then the organizing team divided the participants into 4 groups. For the ratio of ingredients for making this eco-enzyme is 1: 3: 10, where 1 is for sugar in grams, 3 is for fruit skin or vegetable scraps in grams, and 10 is water in mL. The socialization of the material on the first day increased participants' awareness of the importance of waste management and participants' enthusiasm in making eco-enzymes. Each participant in each group made eco-enzyme according to the instructions from the presenter.After three months, the participants were able to use Eco-Enzyme products as glass cleaners, toilet cleaners and bathrooms, while the pulp became fertilizer for ornamental plants in their homes.
PERANCANGAN ALAT PENGUKUR ARUS AIR SEDERHANA DARI BAHAN DAUR ULANG Sakinah, Wazirotus; Palippui, Habibi
Riset Sains dan Teknologi Kelautan Volume 2, Nomor 1, Tahun 2019
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v2i1.13080

Abstract

Pengukuran arus air memiliki banyak jenis metode dengan berbagai jenis alat. Arus air juga dapat diukur denganmetode sederhana yang dapat dirakit sendiri dari bahan-bahan daur ulang, salah satunya dengan alat ukur arusbersistem pencacah putaran. Sistem pencacah putaran pada alat ukur arus ini memiliki prinsip kerja dengan mencacahjumlah putaran propeller yang kemudian dikonversi menjadi kecepatan arus air. Pembacaan nilai kecepatan arus airdapat dilihat secara digital dengan menggunakan LCD anemometer atau alat ukur kecepatan angin yang tidakdigunakan. Propeller dibuat dengan memanfaatkan baling-baling cooling pad untuk laptop yang sudah tidak terpakai.Pengukuran kecepatan arus dengan menggunakan persamaan v = (p x n) / t, dimana v merupakan kecepatan arusdalam m/s, p adalah panjang lintasan, n merupakan jumlah putaran propeller, dan t adalah waktu dalam satuan sekon.
Sosialisasi dan Pelatihan Pemanfaatan Sampah Organik sebagai F2 Eco Enzyme Pembersih Karat Sakinah, Wazirotus; Arianto, Pratama Yuli; Saifurridzal, Saifurridzal; Widityo, Puranggo Ganjar; Sumarji, Sumarji
INTEGRITAS : Jurnal Pengabdian Vol 8 No 1 (2024): JANUARI - JULI
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat - Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/integritas.v8i1.3627

Abstract

Grenden merupakan salah satu desa di Kecamatan Puger dengan wilayah terluas dengan jumlah penduduk yang cukup banyak dengan sebagian besar wanitanya adalah ibu rumah tangga. Kebiasaan masyarakat yang masih belum bisa mengelola sampah secara mandiri menyebabkan adanya tumpukan sampah di beberapa tempat termasuk daerah aliran sungai dengan sampah yang dihasilkan umumnya merupakan sampah rumah tangga. Pengabdian dilakukan dengan objek mitra adalah para ibu rumah tangga. Sosialisasi diperlukan untuk mengedukasi mitra terkait bahaya dari sampah serta kiat-kiat mengolah sampah secara mandiri. Pelatihan pembuatan eco enzyme yang merupakan hasil fermentasi dari sampah rumah tangga menjadi salah satu solusi yang ditawarkan sehingga mitra mampu benar-benar menghasilkan produk kaya manfaat dari sampah yang mereka olah. Pemanfaatan eco enzyme dalam bentuk produk F2 sebagai pembersih karat dapat sangat bermanfaat terutama untuk karat pada beberapa bagian kapal yang banyak ditemukan di Puger maupun pada alat-alat rumah tangga. Metode pelaksanaan dari pengabdian ini adalah tahap pra kegiatan yang merupakan persiapan, pemberian pretest, tahap sosialisasi, pembelian bahan yang dibutuhkan untuk pelatihan, kemudian tahap pelatihan , pemberian posttest, hingga pengaplikasian produk pada benda yang berkarat. Hasil akhir F2 eco enzyme dipanen dalam waktu 90 hari setelah awal pembuatan dengan dikemas dalam botol berstiker yang siap jual untuk dipasarkan pada e-commerce. Setelah kegiatan sosialisasi dan pelatihan terdapat peningkatan pengetahuan peserta sebesar 74% dari rata-rata selisih nilai posttest dan pretest.
SIMULASI NUMERIK HAMBATAN DAN POLA ALIRAN BARGE MENGGUNAKAN METODE CFD Prameswari, Grandys; Puspita, Hery Indria Dwi; Sakinah, Wazirotus; ., Rudianto; Arianto, Pratama Yuli
STATOR: Jurnal Ilmiah Teknik Mesin Vol 7 No 2 (2024): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Barge is a ship that does not have a propulsion and must be towed by a tugboat to sail Therefore, the barge is pulled by a tugboat to sail. This causes the stern area of the barge to be installed with a skeg to support the ship's performance while sailing. One of the performance parameters is the resistance and flow pattern of the barge. Previous research recommended a straight longitudinal skeg at the stern of the barge. This paper continues the recommendation by applying a numerical simulation using the Computational Fluid Dynamics (CFD) method to predict the resistance and flow pattern of the barge due to the skeg used. The CFD method was chosen because of being able to provide accurate, fast, and optimal results. By knowing the resistance and flow pattern values, the results of this study can be used to calculate the amount of bollard pull required by the barge to be towed by the tugboat. The results obtained in this study are the highest resistance at 7 knots of 269.952 kN and the lowest resistance occurs at 4 knots of 89.206 kN. The flow pattern formed in the barge area can be concluded that turbulence mostly occurs in the stern area of the ship due to the interaction of wake, water flow and skeg position. Keywords: Barge, Skeg, Resistance, Flow Pattern
Studi Eksperimen Laju Pertumbuhan Biofouling Pada Pelat Baja Dan Aluminium Dengan Lapisan Pelindung Lilin Dan Minyak Di Pantai Boom Banyuwangi Masruroh, Alfi Handariatul; Puspitasari, Roro Dwi Anugraini; Sakinah, Wazirotus
Jurnal Manajemen Pesisir dan Laut Vol 1 No 01 (2023): Jurnal Manajemen Pesisir dan Laut
Publisher : Program Studi Teknik Kelautan Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mapel.v1i01.2780

Abstract

Indonesia merupakan negara maritim beriklim tropis dan memiliki spesies biofouling yang beraneka ragam. Keberadaan fouling pada suatu struktur laut membawa dampak kerugian yang besar jika tidak segera diatasi. Diperlukan antifouling untuk mengatasi adanya fouling. Berbagai upaya pengembangan untuk menghambat, mencegah dan menghilangkan biofouling terus dilakukan. Umumnya cara yang digunakan masyarakat dengan menggunakan cat pelindung antifoulant komersial dengan komponen utama logam berat seperti TBT (tri-n-butyl tin). Namun saat ini berbagai penelitian telah membuktikan bahwa senyawa TBT tidak hanya beracun terhadap biota biofouling akan tetapi juga membahayakan organisme laut lainnya. Diperlukan penelitian lebih lanjut untuk menemukan alternatif antifouling yang tidak mengendung seyawa beracun dan lebih ramah lingkungan. Penelitian ini dirancang untuk mengetahui laju pertumbuhan marine growth pada material pelat baja dan aluminium di Pantai Boom Banyuwangi dengan menggunakan lapisan pelindung berupa minyak dan lilin. Dari hasil penelitian yang dirancang dapat dianalisis efisiensi penggunaan lapisan pelindung minyak dan lilin dengan material baja maupun aluminium terhadap laju pertumbuhan marine growth sesuai dengan kondisi perairan Pantai Boom Banyuwangi. Penggunaan pelindung minyak pada spesimen uji baja dan aluminium diperoleh hasil lebih efisien dalam menghambat laju pertumbuhan biofouling dibandingkan penggunaan pelindung lilin.
Analisis Penambahan Ekstrak Daun Belimbing Wuluh Pada Cat Minyak Terhadap Laju Pertumbuhan Biofouling Ardiansah, Nugroho Jarot Dwi; Sakinah, Wazirotus; Yasim, Ahmad; Arianto, Pratama Yuli; Sumarji, Sumarji; Widityo, Puranggo Ganjar
Jurnal Manajemen Pesisir dan Laut Vol 3 No 01 (2025): Jurnal Manajemen Pesisir dan Laut
Publisher : Program Studi Teknik Kelautan Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mapel.v3i01.6401

Abstract

Biofouling dapat menciptakan kekasaran pada permukaan lambung kapal yang terendam air, yang dapat berdampak pada penurunan kecepatan kapal. Salah satu cara efektif untuk mencegah penempelan biofouling adalah dengan menerapkan cat antifouling yang ramah lingkungan dan tidak merusak organisme non-target. Salah satu senyawa alternatif yang dapat digunakan sebagai cat antifouling adalah ekstrak daun belimbing wuluh, yang memiliki aktivitas antiinflamasi dan berfungsi sebagai inhibitor laju pertumbuhan bakteri. Tujuan penelitian ini adalah untuk menentukan pengaruh penambahan ekstrak daun belimbing wuluh pada cat minyak sebagai cat antifouling alami terhadap laju pertumbuhan biofouling. Metode penelitian ini menggunakan metode eksperimen lapangan. Variasi perlakuan yang digunakan dalam penelitian ini adalah campuran ekstrak daun belimbing wuluh dan cat minyak dengan perbandingan 1:1, 3:7, dan 7:3, serta terdapat variasi kontrol berupa penggunaan cat antifouling, cat minyak, dan tanpa perlakuan. Pengumpulan data mengenai laju pertumbuhan biofouling dilakukan dengan mengamati peningkatan berat spesimen setiap minggu selama tiga bulan, kemudian data diolah menggunakan rumus laju pertumbuhan harian. Hasil penelitian menunjukkan bahwa laju pertumbuhan biofouling yang paling efektif terjadi pada variasi perlakuan penambahan ekstrak daun belimbing wuluh dan cat minyak dengan perbandingan 1:1, yaitu sebesar 0,049 g/hari.
Co-Authors ., Rudianto ., Sumarji Abdul Aziz Achmad Ilham Dwi Prasetyo Agoes Ahmad Masroeri Akhmad Ganefo Alaudin Alaudin Amjad Mulkus Fadlurrohman Ardiansah, Nugroho Jarot Dwi D, Adelia Septhiana Danny Febriansyah Diah Pahlevi, Anita Didin Erma Indahyani Dina Tri Septiningtyas Dwi Bagus Prasetiaji Ganefo, Akhmad Grandys Prameswari Hary Sutjahjono Hery Indria Dwi Puspita Indria Dwi Puspita, Hery Kristianta, Franciscus Xaverius Kusnadi Mahros Darsin Masruroh, Alfi Handariatul Mohammad Wahyu Dwi Setiawan Muhammad Luthfi Negoro, Abdul Haris Suryo Nihaya Alivia Coraima Dewi Nova Monica Aulia Safitri Nugroho Jarot Dwi Ardiansyah Nurdiansari, Nindya Pahlewi, Anita Diah Palippui, Habibi Pandu Prasetya Aji Prameswari, Grandys Prasasti, Arindana Dwi Pratama Yuli Arianto Puanggo Ganjar Widityo Puranggo Ganjar Widityo Puspita, Indria Dwi Puspitasari, Roro Dwi Anugraini Rahayu, Prehatin Tri Rahma Rei Sakura Rama Wira Drana Wasistha Ramli Firdaus Kusnadi Rizka Febby Rofi'ah Rizky, Selvarian Wahyu Dwi Rudianto Rudianto Rudianto Rudianto Rudianto Saifurridzal, Saifurridzal Setiawan, Digdo Listyadi Sudi Widodo Sumarji Sutrisno, Ilham Eka Saputra Suyoso, Gandu Eko Julianto Syahputra, Ardian Wahyuni Mayangsari Wardani SWW, L. Dyah Purwita Yanuar Nurdiansyah Yanuar Nurdiansyah, Yanuar Yasim, Ahmad