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All Journal International Journal of Electrical and Computer Engineering Jurnal Pembangunan Wilayah dan Kota Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Majalah Kedokteran Bandung Dinamika Hukum Jurnal Teknik Sipil KEADILAN PROGRESIF IJOG : Indonesian Journal on Geoscience Prosiding Semnastek Mutiara Medika: Jurnal Kedokteran dan Kesehatan JURNAL MANAJEMEN TRANSPORTASI & LOGISTIK Jurnal Teknik Sipil Dentino: Jurnal Kedokteran Gigi Berkala Kedokteran Jurnal Penelitian Pembelajaran Fisika Universa Medicina Turbo : Jurnal Program Studi Teknik Mesin InComTech: Jurnal Telekomunikasi dan Komputer Jurnal Rekayasa Material, Manufaktur & Energi Journal of Educational Research and Evaluation YARSI Medical Journal INAQUE: Journal of Industrial & Quality Engineering Dentin Jurnal Sistem Teknik Industri JURNAL TEKNIK Imajiner: Jurnal Matematika dan Pendidikan Matematika Zonasi: Jurnal Sistem Informasi Jurnal Ilmiah Manajemen Kesatuan Jurnal Pengabdian Masyarakat Teknik Journal of Applied Science, Engineering, Technology, and Education Motor Bakar : Jurnal Teknik Mesin Journal of Industrial and Engineering System Journal Sport Science, Healt and Tourism of Mandalika (Jontak) Media Komunikasi Dunia Ilmu Sipil (MoDuluS) JPUA: Jurnal Perpustakaan Universitas Airlangga: Media Informasi dan Komunikasi Kepustakawanan JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Jurnal Penelitian Sekolah Tinggi Transportasi Darat Prosiding Konferensi Nasional PKM-CSR Matriks Teknik Sipil Education and Counseling Journal Jurnal Teknik Industri Majalah Ilmiah Inspiratif Malcom: Indonesian Journal of Machine Learning and Computer Science Journal of Social Empowerment Homeostasis: Jurnal Mahasiswa Pendidikan Dokter Jurnal Maritim Malahayati Jurnal Indonesia Sosial Sains Aceh International Journal of Science and Technology Sewagati IWJ : Inland Waterways Journal Proceeding Mercu Buana Conference on Industrial Engineering Metris: Jurnal Sains dan Teknologi IWTJ : International Water Transport Journal JURNAL RETENTUM Jurnal Sains Student Research Jurnal Media Akademik (JMA) Journal of The Civil Engineering Student Jurnal Padamu Negeri Jurnal Abdita Naturafarm Acta Geoscience, Energy, and Mining
Bambang Setiawan
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Peningkatan Performa Termal Dengan Menggunakan Vortex Generators Didalam Saluran Persegi Panjang Effendi, Yafid; Rosyidin, Ali; Setiawan, Bambang
Jurnal Teknik Vol. 13 No. 1 (2024): Januari - Juli 2024
Publisher : Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jt.v13i2.14222

Abstract

Vortex generators (VGs) are an effective method for improving the thermal performance of heat exchangers. This study aims to optimize the heat transfer rate by employing VGs, where airflow passes over a heated cylinder within a rectangular duct equipped with vortex generators. An experimental approach was conducted to investigate the enhancement of heat transfer using concave delta winglet (CDW) and delta winglet (DW) VGs, compared to the baseline condition without VGs. The experiments involved variations in the angle of attack (β) at 10°, one VG pairs, and the arrangement types (in-line and staggered). The cylinder was heated with a constant power of 35 W, reaching a surface temperature of 38 °C, and airflow velocities ranged from 0.4 to 2 m/s. Temperature measurements were taken at the inlet, outlet, and cylinder surface using thermocouples. The research results indicate a significant enhancement in the convective heat transfer coefficient when using vortex generators (VGs). Among the various configurations tested, the staggered concave delta winglet pair (CDW) arrangement demonstrated the highest values in terms of convective heat transfer coefficient, friction factor ratio, and performance evaluation criterion (PEC), followed by the in-line CDW, staggered delta winglet pair (DW), and in-line DW configurations. The highest convective heat transfer coefficient was observed in the staggered CDW configuration, reaching 16.02%. The friction factor ratio (f/fo) for this configuration was 108.67%. The highest PEC value, 26.34%, was achieved with a single staggered CDW pair at a Reynolds number of Re = 11,000.
ANALISIS PENGGUNAAN PREFABRICATED VERTICAL DRAINS (PVD) MENGGUNAKAN SIGMA/W GEOSTUDIO DENGAN MATERIAL TANAH LUNAK MODEL LINEAR ELASTIC Borsalino, Pupung; Setiawan, Bambang; Chrismaningwang, Galuh
Matriks Teknik Sipil Vol 10, No 4 (2022): Desember
Publisher : Program Studi Teknik Sipil FT UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mateksi.v10i4.64635

Abstract

Jurnal berisikan analasisis perbandingan antara hasil analisis penggunaan Prefabricted Vertical Drains (PVD) di tanah lunak menggunakan metode konvensional Hansbo (1979) dan hasil pemodelan dengan Sigma W GeoStudio dengan model tanah lunak menggunakan linear elastic. Kondisi yang dianalisis kondisi tanah lunak dengan beban timbunan di atasnya tanpa adanya perbaikan, kondisi kedua dengan PVD tanpa memperhitungkan efek smear zone, dan dengan PVD dengan memperhitungkan efek smear zone.  Hasil analisis berupa grafik hubungan besaran penurunan dengan waktu yang diperlukan. Hasil dengan pemodelan software memiliki variasi deformasi pada tanah akibat beban yang bekerja, dengan pola waktu yang diperlukan untuk mencapai derajat konsolidasi (U) 90%. Pola waktu yang diperoleh dari ketiga kondisi dan deformasi yang dihasilkan dapat dilakukan perbandingan kedua analisis.
Perilaku Pelat Beton Di Atas Tanah Ekspansif Melalui Simulasi Analisis Beams On Elastic Foundation Utomo, Prasetyo Widhy; Setiawan, Bambang; Purwana, Yusep Muslih
Matriks Teknik Sipil Vol 10, No 1 (2022): Maret
Publisher : Program Studi Teknik Sipil FT UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1780.275 KB) | DOI: 10.20961/mateksi.v10i1.55322

Abstract

Tanah yang berperan sebagai penopang konstruksi dapat menimbulkan sejumlah masalah apabila memiliki kembang susut yang besar. Perilaku pengembangan dan penyusutan (fluktuatif) tanah dapat mempengaruhi perilaku perkerasan beton yang ada di atasnya. Penelitian ini menganalisis perilaku perkerasan beton di atas tanah ekspansif sewaktu mengalami pengembangan dan penyusutan menggunakan metode BoEF (Beams on Elastic Foundation). Metode analisis diterapkan dalam simulasi model 2 Dimensi dengan modulus subgrade tanah ekspansif 30000kN/m2, dan swelling pressure 175 Kpa. Model simulasi pelat terdiri atas 12 variasi berdasarkan ketebalan pelat dan nilai pembebanan garis yang diterapkan. Hasil dari penelitian ini menunjukkan bahwa lendutan terbesar terjadi pada pelat tebal 15 cm dengan perilaku lendutan setiap penambahan ketebalan pelat sebesar 10 cm pelat beton akan mengalami lendutan sebesar 10 %. Perilaku lendutan akibat penambahan beban setiap 100 kN untuk fase pengembangan maksimum pada ujung pelat ketebalan 15 cm, 25 cm, dan 35 cm masing-masing mengalami kenaikan sebesar 0.73 %; 1.41 %; dan 0.85 % sedangkan pada tengah pelat masing-masing akan berturut-turut turun sebesar 7.54 %; 5.44 %; dan 4.44 %. 
TOXICITY TEST OF Eusideroxylon zwageri BARK EXTRACT BASED ON KIDNEY HISTOPATHOLOGY OF BLEEDING AND NECROSIS Namira Fathya Salsabila; I Wayan Arya Krishnawan Firdaus; Yusrinie Wasiaturrahmah; Juliyatin Putri Utami; Bambang Setiawan
Dentino: Jurnal Kedokteran Gigi Vol 10, No 1 (2025)
Publisher : FKG ULM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/dentino.v10i1.22201

Abstract

Background: Ironwood plant (Eusideroxylon zwageri) can potentially be an herbal medicine that accelerates wound healing because of the antioxidant compounds contained in it. The dominant compounds contained in ironwood bark are flavonoids 30.48 mgCE/g, phenolics 31.28 mgCE/g, and proanthocyanidins 183.3 mgCE/g. Before used as an herbal medicine, it is necessary to do an acute toxicity test on ironwood bark at doses of 1.250 mg/kgBW, 2.750 mg/kgBW, and 4.750 mg/kgBW to consider the right dose. Acute toxicity tests can be seen using histopathological appearance in the kidney based on bleeding and necrosis. Purpose: Determine the toxic effects of giving Eusideroxylon zwageri doses of 1.250 mg/kgBW, 2.750 mg/kgBW, and 4.750 mg/kgBW on the kidneys of Wistar rats (Rattus norvegicus) based on bleeding and necrosis in histopathological appearance. Method: Research is true experimental and  posttest-only with control design. The study was divided into a control group given aquades and a treatment group given ironbark extract dose of 1.250 mg/kgBW, 2.750 mg/kgBW, and 4.750 mg/kgBW as much as 1 ml given 2 times a day orally for 14 days. Results: The percentage of histopathological appearances of bleeding and necrosis score is 1 or mild. Analysis of bleeding and necrosis did not show significant differences of ironwood bark extract doses of 1.250 mg/kgBW, 2.750 mg/kgBW, and 4.750 mg/kgBW. Conclusion: There were no toxic effects of ironwood bark extract doses  of 1.250 mg/kgBW, 2.750 mg/kgBW, and 4.750 mg/kgBW on the kidney organs of wistar rats based on bleeding and necrosis in histopathological appearances.
TOXICITY TEST OF Eusideroxylon zwageri BARK EXTRACT ON KIDNEY HISTOPATHOLOGY GLOMERULAR HYPERTROPHY AND HYDROPIC DEGENERATION Gusti Erysa Nur Tsaniya; I Wayan Arya Krishnawan Firdaus; Nurdiana Dewi; Juliyatin Putri Utami; Bambang Setiawan
Dentino: Jurnal Kedokteran Gigi Vol 9, No 2 (2024)
Publisher : FKG ULM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/dentino.v9i2.20403

Abstract

Background: Ironwood bark extract (Eusideroxylon zwageri) has antioxidant properties such as tannins, phenolics, flavonoids, saponins and alkonoids. Most compounds in the ironwood bark extract were phenolics (31.28 mg GAE/g), flavonoids (30.48 mg CE/g), and proanthocyanidins (183.30 mg PE/g). These can be used as alternative herbal medicines, but also has toxic effects, so a toxicity test is necessary. Toxicity tests can be seen through histopathological parameters based on glomerular hypertrophy and hydropic degeneration. Purpose: To determine the toxic effect of ironwood bark extract administration at doses of 1,250 mg/kg, 2,750 mg/kg, and 4,750 mg/kg orally on the kidneys of Wistar rats based on histopathological appearance of glomerular hypertrophy and hydropic degeneration. Methods: Pure experimental study with a posttest-only with control design, consisting of 4 groups with 3 treatment groups given ironwood bark extract at doses of 1,250 mg/kg, 2,750 mg/kg, and 4,750 mg/kg, and 1 control group was given distilled water 2x1 ml every 24 hours orally for 14 days. Results: In administration of ironwood bark extract at doses of 2,750 mg/kgBW and 4,750 mg/kgBW, glomerular diameter was found increased. The histopathological hydropic degeneration showed a score of 1 in all dose groups. The research data were analyzed using the One Way Anova and Kruskal Wallis tests. Both tests showed no significant differences between groups. Conclusion: There was no toxic effect of ironwood bark extract at doses of 1,250 mg/kg, 2,750 mg/kg, and 4,750 mg/kg on the kidneys of Wistar rats based on histopathological appearance of glomerular hypertrophy and hydropic degeneration.
Co-Authors - Edyson - Haudhiya - Mashuri - Mashuri, - Abd. Rasyid Syamsuri Abdullah, Nora Abdurrahman Zuhri Achmad Buchori Achmad, Ashfa Ade Sjafruddin Adenan Adenan, Adenan Adetiya Prananda Putra Adhityatama, Rifqi Agung Chandra Agung Handayanto Agung Satria Wardhana Agus Sugiharto Agus Yuwono Ahmad, Jeannova Shabilla Ahmadintya Anggit Hanggraito Ainul Yaqin Aji, Estu Waskita Akbar, Izzat Aulia Al Huda, Nafisah Al-Huda*, Nafisah Al-Huda, Nafisah Alfiansyah Yulianur Alfiansyah Yulianur BC Alif Muzakki Aljayanti, Malisa Alpiyan Mayhutomo Amy Nindia Carabelly Andani Rias Sandi S Andi Rosano Anggraeni, Fitria Anjani*, Nadia Anwar Ilmar Ramadhan Apol Pribadi Aprianto, Tri Aranda, Viren Lolita Ardiansyah, Muhammad Rizqi Arif Nuryono, Arif Ary Setyawan Athalya Khanza Permana Atikno, Welly Aulia Akbar , Izzat Azzahra, Istiana Baggus Prastyo Baihaqi, Fajar Andi Bakti Sutopo Bayu, Airlangga Bekti Cahyo Hidayanto Bella, Tita Maya Borsalino, Pupung Chrismaningwang, Galuh Dadang Abdul Aziz Dananjaya Hesti I, Raden Harya Deni Eko Laksono Devi Sundary Dewi Nurdiana Dewi Rusmini DEWI SARTIKA Dharmawan, Yogantara Setya Didik Sanyoto Dina Aulia Insani Dina Gunarsih Dini, Wa Djarwanti, Noegroho Djarwanti, Noegroho Duta Cahaya Marga Utama Edyson, - Eko Suhartono Elfita Agustini Elisa Ma’rifah Emmi Erliyanti Erwan Erwan, Erwan Estu Waskita Aji Fadjrin Wira Perdana Fahreza N., Lukman Fajar Andi Baihaqi Fajar Tri Wibowo Faradila Arrahma Fasya, Kemal Fathkul Ali Imron Faturrahman, Muhammad Rizki Febriliyan Samopa Ferdiyanto, Fajar Ferry Chandra Satriawan Firmansyah Abdullah Firzatullah, Raden Muhamad Fujiati ., Fujiati Fujiati Fujiati Gading, Chondro Aisyah Gusti Erysa Nur Tsaniya H.M.S. Chandra Kusuma, H.M.S. Chandra Hakim, Naufal Halida Yunita Hanantyo, Burhanuddin Handoyo, Puji Dwi Hanif, Fawwaz Harisma, Rizqa Aulia Harun Al Rasyid Sorah Lubis, Harun Al Rasyid Sorah Hasan, Muttaqin Hasbulah Hasbullah Hasbullah Haudhiya, - Hendry Gunawan, Hendry Herizki Trisatria Herman, Adea Octavia Hidayah, Natasya Erliana Hidayat, Gunawan Hillary, Janne Hilyanto, Rizal Raissa Himamul, Himamul HMS Chandra Kusuma Humiras Hardi Purba I Wayan Arya Krishnawan Firdaus I, Chairul Insani Ibnu Rusydy Ichsan Prasetyo Indra Setiawan Insani, Dina Aulia Insani, Nur Hanifah Insanul Kamilah Istanto, Fabianus Danang Iwan Aflanie Iwan Krisnadi Iwan Rudiarto Izaak Zoelkarnain Akbar, Izaak Zoelkarnain Jayawarsa, A.A. Ketut Jemi Cahya Adi Wijaya Jihan Indria Sawitri Juellyan Juellyan Juellyan*, Juellyan Juellyan, Juellyan Juniarti, Maya Juraida Juraida, Juraida Kamilah, Insanul Karina Solikha Nurmalita Karina Solikha Nurmalita Kelana, Sri Kurniawan, Elang Fajar Kurniawan, Elang Fajar Kurniawan, M. Indra Aji Laksono, Deni Eko Lestari Lestari Lukman Fahreza N. M. Aris Widodo M. Indra Aji Kurniawan Malik, Dary Manurung, Wim Benhard Marga Utama, Duta Cahaya Maria Yosephine Himawan Marliana Sihombing Masbie, Fadhelia Trinanda Mashuri Mashuri Mashuri Mashuri Maulana, Putri Maulida*, Syifa Maya Juniarti Mayhutomo, Alpiyan Melayu, Donny Afrizal Melissa Budipramana Moch. Gufron Latif Mona, Nasyiratun Muamar Rifai Mufida*, Nur Syafiqa Muhammad Adianto Sulistyo Hidayat Muhammad Farid Muhammad Hafly Fariz Asyraq Muhammad Nurdin Muhammad Rizki Faturrahman Muhammad Rizqi Ardiansyah Muhammad Rusdi Muhammad Saleh Nasution Muhammad Taufiqurrahman, Muhammad Muhammad Yusuf Faraby MUNIRA SUNGKAR, MUNIRA Munnik Haryati Mustofa Agung Santoso Muttaqin*, Muttaqin Muzakki, Alif Muzhaffar, Imam Nabila Rahman Nafisah Al-Huda Namira Fathya Salsabila Nasution, Muhammad Saleh Nasyiratun Mona Naufal Hakim Ni Luh Wita Astari Widhusadi Niken Silmi Surjandari Niken Silmi Suryandari Nila Nirmalasari, Nila Nisfu Asrul Sani Noegroho Djarwanti Noor Sulistiyono Nora Abdullah Novi Tri Susanto Nugraha, Wanda Nugroho, Bayu Hari Nugroho, Bayu Kusumo Nur Yulia Sari Nurdiana Nurdiana Nurrahman, Tri Perkasa, Dimas Agung Permana, Athalya Khanza Prasetyo Sutrisno, Slamet Prasetyo, Ichsan Prastyo, Baggus Prayitno, Rendi Teguh Priambodo, Danang Purba, Humiras H. Purboyo, Purboyo Pusriansyah, Ferdinad Putra*, Hidayat Syah Putra, Hidayat Syah Putri, Oktaria Raden Harya Dananjaya Raden Harya Dananjaya Hesti I Raden Harya Dananjaya, Raden Harya Rahmatillah, Lia Fitria Randhi Nanang Darmawan Rasma Rasma Reksi Pradana Reza Pahlevi Rezi, Muhammad Teguh Rezky, Kartika Bunga Rifai, Muamar Rifqan, Rifqan Rifqi Adhityatama Rizal Raissa Hilyanto Rizka Maulida Rizki Bagaswara Putra Rizkyta, Velia Ayu Rochmadi, Andi Ronny La Ode Aksah Rosyidin, Ali Rusmini, Dewi Rusydy*, Ibnu Saidi*, Taufiq Salsabila, Anisa Aulia Sandi S, Andani Rias Sanjaya, Raju SANTOSO SANTOSO Santoso, Mustofa Agung Sari*, Novita Sari, Nur Yulia Sawato Gea, Jermy Iwada Sawitri, Jihan Indria Selfina, Tjali, Ernest Selviawan, Yudha Sholiq Sigiet Arief Wijanarko Siti juliati Sri Kartini, Sri Suciati Suciati Sumiyati Gunawan Suprihatin . Surnata, Surnata Suryandari, Niken Silmi Sutanto, Sulistyo Syachrumsyah, Muchlisch Syahidi, Shofa Syera, Subriyan King Syifa Kamila Taufiq Saidi Taufiq Saidi Thomas Djunaedi Tiara, Anisa Tita Maya Bella Titik Ekowati Tri Putri, Deby Kania Triawanti Triawanti Trimariat, Fathoro Trisatria, Herizki Tuip, Anwar Umar, Abdulloh Utami, Fisca Dian Utami, Juliyatin Putri Utomo, Prasetyo Widhy Wahid, Muhammad Wartiningsih Wibisono, Yohan Wibowo, Fajar Tri Wicaksana, Wildan Priya Wicaksono, Anjar Wido Widjatmoko, Eko Nugroho Wijanarko, Sigiet Arief Wijaya, Novan Gunawan Wildan Priya Wicaksana Yafid Effendi Yafid Effendi Yeti Komalasari Yohan Wibisono Yudha Selviawan Yulianur*, Alfiansyah Yundari, Yundari Yuni Pratiwi, Kurniasih Yunita*, Halida Yusep Purwana Muslih Yusrinie Wasiaturrahmah Zairin Noor Zairin Noor Zidan, Sultan Bintang