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Siti Duratun Nasiqiati Rosady
Institut Teknologi Sepuluh Nopember Surabaya
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Inovasi Sosialisasi Program PKK melalui Pemasangan Neon Box di Kota Malang Rosady, Siti Duratun Nasiqiati; Aini, Fica Aida Nadhifatul; Riskitasari, Septyana; Amalia, Zakiyah; Machfuroh, Talifatim; Khambali, Khambali
Welfare : Jurnal Pengabdian Masyarakat Vol. 2 No. 3 (2024): Welfare : September 2024
Publisher : Fakultas Ekonomi dan Bisnis Islam, IAIN Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/welfare.v2i3.1677

Abstract

Neon Box merupakan media promosi atau informasi yang terbuat dari bahan akrilik dan dilengkapi dengan lampu neon yang memberikan efek cahaya terang dan menarik. Minimnya ketertarikan menjadi kader Program Pemberdayaan Kesejahteraan Keluarga (PKK), khususnya yang berusia muda, menjadi landasan pentingnya menyosialisasikan kegiatan di PKK. PKK bisa menjadi pihak di garda depan dalam mengatasi berbagai persoalan yang terjadi di tengah masyarakat. Selain itu juga dapat berkontribusi mengatasi masalah gizi anak, kesehatan anak dan stunting. Dengan tujuan dapat menarik perhatian warga dan membangun citra positif PKK khususnya di wilayah Griya Shanta RT 08 RW 12, Kel. Mojolangu, Kec. Lowokwaru, Kota Malang. Neon Box menjadi sarana yang tepat untuk menyosialisasikan 10 Program PKK. Metode yang dilakukan dalam kegiatan ini adalah pembuatan Neon Box sebagai media promosi program PKK. Hasil yang telah dicapai dari kegiatan ini adalah dapat terselesaikannya instalasi papan nama program PKK di Jalan Poros Griya Shanta RT 08 RW 12, Kel. Mojolangu, Kec. Lowokwaru, Kota Malang. Kata kunci: Pengabdian pada masyarakat, Pemberdayaan Kesejahteraan Keluarga, Neon box.
Peningkatan Efisiensi Produksi dan Manajemen Operasional di UD. Assas Jaya melalui Implementasi Mesin Pengering Gabah Rosady, Siti Duratun Nasiqiati; Novitasari, Eli
Welfare : Jurnal Pengabdian Masyarakat Vol. 3 No. 1 (2025): Welfare : March 2025
Publisher : Fakultas Ekonomi dan Bisnis Islam, IAIN Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/welfare.v3i1.2172

Abstract

This community service activity aims to improve production efficiency and operational management at UD. Assas Jaya through the implementation of a rice drying machine. So far, the rice drying process is still carried out traditionally by relying on sunlight, so it is less efficient, takes a long time, and is highly dependent on weather conditions. To overcome this problem, the Community-Based Research (CBR) method is used by involving business owners, workers, and academic partners in the process of identifying problems, implementing solutions, and evaluating results. The stages of the activity include analysis of initial conditions, training in the use of drying machines, operational assistance, and evaluation of production efficiency. The results of the activity showed a significant increase in drying time, rice quality, and operational cost efficiency. The implementation of this technology proves that a community-based approach can increase the competitiveness of small businesses in the agricultural sector, while supporting food security through optimization of the production process.
PENGARUH KECEPATAN PENGELASAN MIG TERHADAP KEKUATAN TARIK DAN PERUBAHAN STRUKTUR PATAHAN MAKRO PADA SAMBUNGAN ALUMINIUM Witono, Kris; Machfuroh, Talifatim; Agustriyana, Lisa; Rosady, Siti Duratun Nasiqiati
Otopro Vol 21 No 1 Nov 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v21n1.p6-12

Abstract

MIG (Metal Inert Gas) welding is a welding process that uses rolled electrodes which are the same as the base metal and uses a protective gas.  Aluminum is one of the most commonly used metals in the industrial world. Connecting aluminum by welding is a challenge in itself because of its high heat conductivity. This is why a lot of research has been carried out on welding aluminum. This research aims to investigate the effect of travel speed on the tensile strength and macro structure of welds from the robotic welding process. The research was carried out using experimental methods and observing the macro structure of the fracture results. The research results, it was found that changes in welding speed (travel speed) in the aluminum MIG welding process showed a decreasing trend in maximum tensile strength. The highest tensile strength was obtained at the TS variation of 40 mm/minute, while at TS 70 mm/minute the tensile strength was lower. The higher the welding speed, the lower the resulting tensile strength. This is due to reduced heat applied which affects weld penetration and metal joining. A lower welding speed results in better penetration and higher tensile strength, but a speed that is too slow can cause overheating and damage the metal micro structure. The macro structure of the fracture, it was found that higher welding speeds cause fractures that tend to be brittle with defects such as porosity, which can also reduce tensile strength
Inovasi Mesin Penghalus Bumbu Sebagai Solusi Efisiensi Produksi di Warung Makan Watugedhe Singosari Rosady, Siti Duratun Nasiqiati; Firmansyah, Hilmi Iman Firmansyah; Putra, Agus Dwi; Puspitasari, Etik; Khambali, Khambali; Viyus, Vinan
I-Com: Indonesian Community Journal Vol 5 No 4 (2025): I-Com: Indonesian Community Journal (Desember 2025)
Publisher : Fakultas Sains Dan Teknologi, Universitas Raden Rahmat Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/i-com.v5i4.8228

Abstract

Usaha mikro, kecil, dan menengah (UMKM) berperan penting dalam mendukung perekonomian daerah, terutama sektor kuliner yang membutuhkan efisiensi proses produksi. Warung Makan Watugedhe Singosari menghadapi kendala rendahnya efisiensi penghalusan bumbu karena masih menggunakan blender konvensional berkapasitas kecil. Kegiatan pengabdian ini bertujuan meningkatkan produktivitas mitra melalui penerapan mesin penghalus bumbu kapasitas 6 kg/proses. Metode pelaksanaan meliputi survei kebutuhan, perancangan dan pembuatan mesin, implementasi di lokasi mitra, serta pelatihan dan evaluasi hasil. Hasil menunjukkan peningkatan kapasitas produksi hingga 1.100%, efisiensi waktu sebesar 65%, dan penghematan energi listrik 25%. Mitra juga mampu mengoperasikan dan merawat mesin secara mandiri. Penerapan teknologi tepat guna ini terbukti efektif meningkatkan efisiensi, produktivitas, dan kemandirian UMKM kuliner serta berpotensi direplikasi pada usaha sejenis di daerah lain.
EFFECT OF SCREW CONVEYOR SPEED AND CUTTER DIAMETER ON THE PRODUCTION PERFORMANCE OF MEATBALL FORMING MACHINE Rosady, Siti Duratun Nasiqiati; Handayani, Tutik; Jahfal, Fitrah Bisma Taimullah Al; Rohim, Ardhi Prawira; Machfuroh, Talifatim; Amalia, Zakiyah; Aini, Fica Aida Nadhifatul
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 26 No. 1 (2026): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

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

Abstract

Manual meatball production in small and medium enterprises often results in inconsistent product mass and low production efficiency. This study aims to analyze the effect of screw conveyor speed and cutter diameter on the production performance of an automatic meatball forming machine. The experiment was conducted at the Mechanical Engineering Laboratory, Politeknik Negeri Malang, using the Design of Experiment (DOE) factorial method. The independent variables were screw conveyor speed (159 rpm, 186 rpm, and 236 rpm) and cutter diameter (15 mm, 20 mm, and 25 mm), while the dependent variables were the produced meatball mass and production capacity. Data were analyzed using Minitab 21 software with a Two-Way ANOVA test to evaluate the influence of the main factors and their interaction on the output. The results show that both independent variables significantly affect the meatball mass (p-value < 0.05). Higher screw conveyor speeds increased meatball mass but reduced the number of meatballs produced, while larger cutter diameters generated heavier meatballs with lower production capacity. Response optimization analysis revealed the best combination at a screw speed of 124 rpm and a cutter diameter of 30 mm, yielding a desirability value of 0.93. This configuration produced meatballs within the optimal weight range of 15–25 grams with minimal power consumption. It can be concluded that the precise adjustment of screw conveyor speed and cutter diameter significantly improves product uniformity, machine performance, and production efficiency, supporting productivity enhancement in small-scale food manufacturing industries.
EXPERIMENTAL AND CFD ANALYSIS OF A LABORATORY-SCALE PARALLEL FLOW SHELL AND TUBE HEAT EXCHANGER Ningtyas, Alviani Hesthi Permata; Rosady, Siti Duratun Nasiqiati; Pahlawan, Ilham Arifin; Muhamadin, Rilo Chandra
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 26 No. 1 (2026): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

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Abstract

A heat exchanger is a device that functions to change the temperature of a fluid by utilizing the heat transfer mechanism from a high-temperature fluid to a lower-temperature fluid. This study was conducted to design and analyze the performance of a shell and tube heat exchanger with a parallel flow configuration on a laboratory scale. The design process focused on determining the main dimensions and components, such as tube length and the ratio between shell and tube diameters, to ensure optimal operation for laboratory experiments. After the device was successfully fabricated, experiments were carried out to obtain temperature data of the hot and cold fluids at both the inlet and outlet. These experimental data were then compared with the results of numerical simulations using ANSYS Fluent software based on the Computational Fluid Dynamics (CFD) method. The simulation was used to visualize the flow pattern and temperature distribution within the heat exchanger, as well as to calculate heat transfer efficiency. The results showed good agreement between the simulation and experimental data, with only a 1% deviation, where the inlet temperature of the hot fluid was 65°C and the outlet temperature was 38°C, indicating the validity of the numerical model used. From this study, it can be concluded that the combination of experimental design and CFD simulation analysis provides a more comprehensive understanding of the temperature distribution and efficiency of a shell and tube heat exchanger with a parallel flow configuration.
Co-Authors Aini, Fica Aida Nadhifatul Akhmad Faizin Amalia, Zakiyah Dwi Riesya Amanatin Erni Yudaningtyas Esthi Kusumadewayanti Etik Puspitasari, Etik Farida, Nike Nur Fatkhur Rohman Firmansyah, Hilmi Iman Firmansyah Hidayatulloh, Muhammad Kevin Alif Jahfal, Fitrah Bisma Taimullah Al Khabib, Achsanul Khambali, Khambali Kris Witono Lisa Agustriyana Maknunah, Jauharotul Miftakhul Arifin Muhamadin, Rilo Chandra Ningtyas, Alviani Hesthi Permata Novitasari, Eli Pahlawan, Ilham Arifin Putra, Agus Dwi Rijekki, Nanda Fajar Riskitasari, Septyana Rohim, Ardhi Prawira Roksun Nasikhin Sari, Eli Novita Sari, Nurlia Pramita Talifatim Machfuroh, Talifatim Tegar Palyus Fiqar Tutik Handayani, Tutik Viyus, Vinan Wafa, Ahmad Khoirul Wicaksono, Nur Rohman