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All Journal JBIO: jurnal biosains (the journal of biosciences) Jurnal Sains dan Seni ITS Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Jurnal Teknologi Journal of Economics, Business, & Accountancy Ventura Jurnal Ilmiah Mahasiswa FEB AGRIVITA, Journal of Agricultural Science Jurnal Varidika Proceeding SENDI_U Journal of Tropical Biodiversity and Biotechnology EMITTER International Journal of Engineering Technology Jurnal Bioteknologi & Biosains Indonesia (JBBI) Jurnal Biologi Tropis Pendas : Jurnah Ilmiah Pendidikan Dasar JMM (Jurnal Masyarakat Mandiri) Biosaintifika: Journal of Biology & Biology Education CARADDE: Jurnal Pengabdian Kepada Masyarakat Bioedukasi: Jurnal Pendidikan Biologi Prosiding SENTIKUIN (Seminar Nasional Teknologi Industri, Lingkungan dan Infrastruktur) Wave: Jurnal Ilmiah Teknologi Maritim Atrium : Jurnal Arsitektur INDONESIAN JOURNAL OF MEDICAL LABORATORY SCIENCE AND TECHNOLOGY Best Journal (Biology Education, Sains and Technology) INTEGRITAS : Jurnal Pengabdian Jurnal Abdi: Media Pengabdian Kepada Masyarakat GOVERNANCE: Jurnal Ilmiah Kajian Politik Lokal dan Pembangunan Jurnal Litbang Edusaintech Proceeding Biology Education Conference Journal of Marine-Earth Science and Technology Bussman Journal : Indonesian Journal of Business and Management Indonesian Capital Market Review Proceeding ISETH (International Summit on Science, Technology, and Humanity) Sewagati Journal of Society Bridge Jurnal Sarjana Ilmu Pendidikan Proceeding Mulawarman International Conference on Tropical Public Health
Setyo Nugroho
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Integrating Artificial Intelligence to Enhance Learning Motivation among Junior High School Students Nugroho, Setyo; Haryanto, Sigit; Fuadi, Djalal
Proceeding ISETH (International Summit on Science, Technology, and Humanity) 2025: Proceeding ISETH (International Summit on Science, Technology, and Humanity)
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Purpose: This study aims to explore how the integration of Artificial Intelligence (AI) in classroom instruction enhances learning motivation among junior high school students. Although previous studies have shown that AI can support adaptive and engaging learning, most research has focused on higher education or fully online settings. Empirical evidence describing how AI influences student motivation in face-to-face junior high school classrooms in Indonesia remains limited. This study addresses that gap by examining students' and teachers' experiences using AI tools such as educational chatbots, learning analytics applications, and adaptive learning platforms.Methodology: A descriptive qualitative design was employed. Data were collected through classroom observations, in-depth interviews, and documentation analysis. Participants included students, teachers, and school administrators involved in AI-supported learning activities. The data were analyzed using thematic analysis to identify recurring patterns related to students' motivational changes and their interaction with AI tools during the learning process.Results: The findings show that AI integration enhances learning motivation in three key ways: (1) improving students' attention and interest through interactive and adaptive content; (2) increasing students' confidence via instant feedback and personalized guidance provided by AI systems; and (3) encouraging higher engagement through AI-based activities such as automated quizzes and digital simulations. Despite these benefits, challenges were also identified, including teacher readiness, limited availability of digital devices, and varied levels of students' digital literacy.Applications/Originality/Value: This study offers contextualized insights into how AI enhances learning motivation among junior high school students within Indonesian classrooms. It contributes to the limited body of qualitative research on AI in basic education, highlights practical considerations for effective AI integration, and provides valuable implications for future research on intelligent technologies in schools.
CFD Analysis of Nozzle Exit Position Effect in Ejector Gas Removal System in Geothermal Power Plant Nugroho, Setyo; Citrahardhani, Ciptananda
EMITTER International Journal of Engineering Technology Vol 3 No 1 (2015)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.329 KB) | DOI: 10.24003/emitter.v3i1.35

Abstract

The single stage ejector is used to extract the Non CondensableGas (NCG) in the condenser using the working principle of the Venturi tube. Three dimensional computational simulation of the ejector according to the operating conditions was conducted to determine the flow in the ejector. Motive steam entering through the convergent – divergent nozzle with increasing flow velocity so that the low pressure exist around the nozzle. Comparison is done also in a two dimensional simulation to know the differences occurring phenomena and flow inside ejector. Different simulation results obtained between two dimensional and three dimensional simulation. Reverse flow which occurs in the mixing chamber made the static pressure in the area has increased dramatically. Then the variation performed on Exit Nozzle Position (NXP) to determine the changes of the flow of the NCG and the vacuum level of the ejector.Keywords: Ejector, NCG, CFD, Compressible flow.
Performance Analysis of The Effect on Insertion Guide Vanes For Rectangular Elbow 900 Cross Section Nugroho, Setyo; Hidayatulloh, Achmad Arifudin
EMITTER International Journal of Engineering Technology Vol 4 No 2 (2016)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1875.344 KB) | DOI: 10.24003/emitter.v4i2.157

Abstract

The use of elbow or curved pipe in the installation of piping has a loss of pressure (pressure drop) which could lead the power of pump that drive the fluid and decrease the energy efficiency of the system. The pressure drop is caused by the curved shape of the elbow that cause pressure on the outer wall (outter) larger and blocking off the pace of the fluid, and flow pressure losses caused by friction, flow separation and secondary flow. A method that can be used to reduce flow separation and pressure loss in the elbow is by the insertion guide vane. The test model in the form of rectangular elbow 900  with a radius ratio (rc/Dh) = 1.1249 without using a guide vane and number of guide vane insertion one until three guide vanes. With Reynolds number ReDh ≈ 8.6 × 104. The velocity inlet is uniform, the measured variable is static pressure. Static pressure was measured using an inclined manometer. With variation the number of guide vane gives a more effect on the value of pressure drop, the largest pressure drop until 123.35% compared to that without guide vane. The velocity distribution profile on the outlet side becomes more uniform. The magnitude of this pressure drop occurs as a result of the increased flow friction and its secondary flow become smaller.
Improve of Water Flow Acceleration in Darrieus Turbine Using Diffuser NACA 11414 2,5R Nugroho, Setyo; Safitra, Arrad Ghani; Aribowo, Teguh Hady; Julianto, Mochammad Arief
EMITTER International Journal of Engineering Technology Vol 6 No 1 (2018)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1354.908 KB) | DOI: 10.24003/emitter.v6i1.236

Abstract

Indonesia has potential hydro energy around 70000 MW which has been used around 6% (3529 MW). One of the development constraint is the stream velocity in Indonesian rivers is relative low. It causes bigger turbine dimension needed to achieve power which is desired.  An alternative is to utilize adiffuser, which is a device that could accelerate the fluid flow in order to give more energy to the turbine. Based on contiunity equation, diffuser can increase velocity by ratio of cross-section area. It can be  used to achieve expected power as long as it is not too much reduce the pressure. This research is conducted in 0.566 m/s of water velocity with Darrieus turbine with hydrofoil NACA 0018, height 0.74 m, radius 0.17 m, chord 0.11 m and 3 number of blades. The performance (Cp) was determined by numerical and experimental without and with diffuser NACA 11414 2.5R for variation of angle 8o, 16o, and 20o. Both of those result showed that the best performance of NACA 11414 2,5R is on angle 16o which numerically has stream velocity 0,91 m/s of water and 7 times of Cp, while experimentally has 0,891 m/s of water velocity and 3,16 times of Cp. This diffuser could improve the power generated by the turbine and increase the turbine efficiency.
Co-Authors A.A.B. Dinariyana AAB Dinariyana Achmad Bahrul l Ulum, Achmad Bahrul Adrianto, Ratno Adyan Donastin Afifah, Kufah Nur Agus Kusmana Aisyah Virgina Putri Ali Mustafa Sidauruk Ali, Syarif Alisa Qudrotun Munawaroh Alvian Viki Dwi Wijayanto Angelina, Grace Anggara, Dimas Yos Angger Sukma Mahendra Angger Sukma Mahendra Anto Budiharjo Aribowo, Teguh Hady Aribowo, Teguh Hady Arida Wahyu Barselia Arifin, Auliyya Intan Mellaniy Arjo, Tri Ramadani Arrad Ghani Safitra Audina, Shafira Zulfa Awwalin, Rodlitul Ayu Sulasari Bagas Dewantara Pratama Putra Bambang Soemardiono Buana Susilo Budi Murtiyasa CATUR RIANI Ciptananda Citrahardhani, Ciptananda DALIMARTHA, LENGGA NURULLAH Darmawan, Dian Rizky Irvan Dewanto, Raden Sanggar Dewi Septanti Dini Ermavitalini Djalal Fuadi Djauhar Manfaat Dwi Nastiti Danarsari Dyah Wulandari Edwin Setiawan Eko Chandra Wiguna Endang Fauziati Erwin Sudarma Evelina, Tri Yulistyawati Fajar Gumelar Fardilla Rizqiyah Farneubun, Hana Carolina Elisabeth Fauzi Ahmad Muda Fellycita Kartika Afriliona Fida Alya Putri Rimansa Filemon, F Firmansyah Achjab, Firmansyah Fitriani, Aprilia Dyah Hafiedz, Adzan Fajar Osceola Hamri, Ahmad Ahsyar Haqq, Annida Harsono Hermanto, Michael Einstein Herni Sudarwati Hidayat, Muhammad Taufiq Hidayatulloh, Achmad Arifudin Hidayatulloh, Achmad Arifudin Hutapea, Reza Jonathan Ida Ekawati Ima Defiana Inayatul Masruroh Isdiantoni Isdiantoni Isdiantoni Isdiantoni Isdiantoni Isdiantoni Isdiantoni Isdiantoni Izzatul Islami Julianto, Mochammad Arief Julianto, Mochammad Arief Koriyah, Koriyah Krisdianto, Johanes Krispinus Duma Kristanti Indah Purwani Lengga Nurullah Dalimartha LUTHFIYYAH, ZAYYAN Maharani Pertiwi K Maharani Pertiwi Koentjoro Maharani Pertiwi Koentjoro Maharani Pertiwi Koentjoro Maharani Pertiwi Koentjoro Maharani Pertiwi Koentjoro Maharani Pertiwi Koentjoro Maharani Pertiwi Koentjoro Maharani Pertiwi Koentjoro MARIA BINTANG Maryadi Masduki Masruroh, Inayatul Minto Basuki Moh. Rasyid Ridho Mohamad Riyadi Muchlis, Nurfahmi Muhammad Taufiq Hidayat Munif, Tri Haidar Najla, Syarifah Amira Nanda, Luthfiah Nazhirotin, Talitha Syadza Nengah Dwianita Kuswytasari Niki Yuliansari, Niki Noor Nailis Saadah Nur Maulidhaturrafida Nurlita Abdulgani Nurul Jadid Nuryanto, Muhammad Khairul Pawestri, Aulia Puspita Lisdiyanti Putri, Arum Maulinda Rabbani Kharismawan Rabbani Kharismawan Rahma, Rosyida Muthia Rahmawan, Marjori Bethania Ramadhan, Satria Rizky Ramadhani, Izzah Desta Bastian Rena Feri Wijayanti Rico Hutama Sulistiyo Rico Hutama Sulistiyo, Rico Hutama Ronny Isnuwardana Sa’adah, Noor Nailis Saddewisasi, Wyati Saputra, Rudi Savitri, Fania Mutiara Seru, Rian Ananta Pasolang Shavieka, Imada Mella Shovitri, Maya Sidratu Ainiyah Sigit Haryanto Sulistyandari, Utari Sumartinah, Happy Ratna SUSILO, BUANA Suyatmini Syariful Hadi, Muhammad Taufikurrahman, Muhammad Rifki Tri Wahyu Hidayat Tricindra, Dzulhannisa Triono Bagus Saputro, Triono Bagus Ulpah, Rini Wahidatul Unarto, Tirto Utami, Kristiawati Tri Utari Sulistyandari Wardoyo, Paulus Wati, Henny Diana Wawan Suranto WIGUNA, EKO CHANDRA Wijayanti, Sakti Fadi’a YUDI NUR SUPRIADI YULIANA, NUNIEK Yuliatmoko, Bagus Albaranu Zuhratunnisa, Aqilah