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All Journal Rotasi Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Teknika: Jurnal Sains dan Teknologi Civil Engineering Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Teknik Mesin Indonesia Mekanika: Majalah Ilmiah Mekanika SMART SPORT SEMAR Jurnal Pengabdian kepada Masyarakat Nusantara Mechanical Engineering for Society and Industry
Indri Yaningsih
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Sebelas Maret, Surakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Drying Characteristics of Pine Wood (Pinus merkusii Jungh. et de Vriese) Using Hot Air, Infrared, and Combined Infrared-Hot Air Yefri Chan; Dwi Aries Himawanto; Budi Kristiawan; Indri Yaningsih; Erwin Erwin
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 3 (2025): June 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i3.772-780

Abstract

This research aims to determine the drying characteristics of Merkusii pine wood (Pinus merkusii Jungh. et de Vriese) using three methods, including the hot air drying, infrared, and combined infrared-hot air. The drying characteristics included temperature distribution, reduction in moisture content, drying rate, wood surface temperature distribution, and specific energy consumption (SEC). The results show that the combined infrared-hot air drying method produces a faster drying time and the highest drying rate compared to the only hot air or only infrared drying method. The fastest drying time was 345 min at a treatment temperature of 90°C, air velocity of 3 m/s, and the greatest drying rate was 0.429 gr/min at a temperature of 80°C, air velocity of 3 m/s. Additionally, the combined infrared hot air method produces a more uniform temperature distribution on the wood surface and lower specific energy consumption, specifically 1027.15 MJ/kg. Keywords: Drying, Hot air, Infrared, Temperature.
Desain Dan Pembuatan Alat Bantu Catur Elektronik Untuk Tunanetra Kristiawan, Budi; -, Ubaidillah; Doewes, Rumi Iqbal; Wijayanta, Agung Tri; Yaningsih, Indri; Budiana, Eko Prasetya; Himawanto, Dwi Aries; Hadi, Syamsul; Utomo, Dimas Wahyu
Smart Sport Vol 21, No 1 (2022): Jurnal Smart Sport
Publisher : Smart Sport

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/smsp.v21i1.69752

Abstract

Cabang olahraga catur tunanetra adalah salah satu cabang olahraga kebanggaan bangsa Indonesia yang sudah mampu mengharumkan nama besar Indonesia. Pada Asian Paragames 2018, cabang olahraga ini berhasil membawa pulang mendali emas terbanyak jika dibandingkan dengan cabang olah raga lain. Dari 37 mendali emas yang berhasil direbut oleh Indonesia, 11 diantaranya adalah sumbangan dari cabang olahraga catur tunanetra. Prestasi tersebut menjadikan Indonesia menduduki posisi ke-5 berdasarkan perolehan mendali dari 33 negara yang berpartisipasi pada Asian Paragames 2018. Sudah selayaknya prestasi para atlet catur tunanetra ini harus kita pertahankan dan kita tingkatkan. Untuk meningkatkan kwalitas atlet catur tunanetra bangsa Indonesia ini, prasarana yang memadahi saja tidak cukup untuk mengakomodir kebutuhan latihan. Pendampingan atlet saat melakukan latihan juga sangat dibutuhkan untuk meningkatkat kwalitas atlet. Hal tersebut dikarenakan ada beberapa peraturan pertandingan catur yang masih memerlukan bantuan orang yang bias melihat, seperti pengawasan waktu, pemberitahuan sisa waktu untuk melangkah dan sisa waktu pertandingan sampai berakhir. Akantetapi jumlah relawan pendamping yang tidak mencukupi menjadi masalah tersendiri pada kebutuhan latihan atlet catur tunanetra Indonesia. Oleh karena itulah, pada proposal ini, kami mengajukan rancang bangun catur cerdas yang bisa memudahkan dan memberitahukan atlet sisa waktu pertandingan catur sebagai pengganti fungsi relawan pendamping.  Kata Kunci: Catur, Catur tunanetra, Alat Bantu Olahraga Catur
Corrigendum to “The new modification of a solar still chamber with hollow glass: An experimental comparison between perpendicular and inline hollow glass configurations” [MESI Vol. 5, No. 2 (2025) pp 331-341]: Refers to: https://doi.org/10.31603/mesi.13238 Eko Prasetyo Budiana; Muhamad Dwi Septiyanto; Satria Auliansyah; Naufal Rizky Sayyid; Indri Yaningsih; Syamsul Hadi
Mechanical Engineering for Society and Industry Vol. 6 No. 1 (2026)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.17044

Abstract

In the original article (https://doi.org/10.31603/mesi.13238), inaccuracies were identified in the reporting of productivity and thermal efficiency values cited from Reference [35] in Table 3 and the corresponding discussion in Section 4.2. Following a notification received by the Editorial Office and subsequent verification of the cited source, the authors agreed to revise the affected content. The corrections are presented below to ensure the accuracy and integrity of the published record.All corrections are provided in detail in the PDF file.Supplementary file S1: Letter to Editor
Adsorption Characteristics of Silica Gel-Water Pairs in Personal Protection Equipment Shazia Hanif; Suryadijaya Adiputra; Indri Yaningsih; Eko Prasetya Budiana
Mekanika: Majalah Ilmiah Mekanika Vol 22, No 2 (2023): MEKANIKA: Majalah Ilmiah Mekanika
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mekanika.v22i2.71250

Abstract

This study aims to determine the characteristics of silica gel RD to water vapor in terms of adsorption capacity and rate. A layer modeling approach was employed to simulate the Personal Protective Equipment (PPE), which comprised four distinct layers: the surrounding environment air, the fabric layer, the RD-type silica gel layer, and the air gap separating the silica gel from the skin surface. The simulation encompassed environmental conditions set at 27 ℃, while the human body's temperature was maintained at 35 ℃. This study uses a simulation method using Guggenheim–Anderson de Boer (GAB) modeling calculations to determine isothermal characteristics and Linear Driving Force (LDF) modeling to determine kinetic characteristics with an adsorbent temperature of 26.84 ℃. The simulation results show that the isothermal characteristics of silica gel RD at a relative humidity of 60% or a relative pressure of 0.6 have an absorption capacity of 0.38 kg/kg. Moreover, the kinetic characteristics of silica gel RD have an absorption rate of 0.38 kg/kg of water vapor with a time of 980 s until a significant reduction in the absorption value occurs
Co-Authors A Muhammad Fuad Nur Rochim Aditya Rio Prabowo Agung Tri Wijayanta Akbar, Hammar Ilham Alfan Adha Hutama Putra Budi Kristiawan Budi Kristiawan Budi Kristiawan, Budi Budiana, Eko Prasetya Didik Djoko Susilo Dwi Aries Himawanto Dwi Aries Himawanto Dwi Aries Himawanto Eko Prasetya Budiana Eko Prasetyo Budiana Erwin Erwin Heru Sukanto Himma Firdaus Imanullah, Fahmi Iput Kasiyanto Istanto, Iwan Kusnandar, Nanang Muhamad Dwi Septiyanto Naufal Rizky Sayyid Okky Nugra Retyawan Pranata, Aria Pratama, Anandito Adam Qudsiyyatul Lailiyah Rian Cahya Putra Risdiyanto Edy Saputro Rumi Iqbal Doewes, Rumi Iqbal Satria Auliansyah Shazia Hanif Supono, Ihsan Syamsul Hadi Syamsul Hadi Syamsul Hadi Teguh Triyono Tri Istanto Tri Istanto Ubaidillah - Utomo, Dimas Wahyu Utomo, Fahri Setyo Wibawa Endra Juwana, Wibawa Endra Widhaya Bastian Purnama Wijaya, Rahman Wijayanta, Agung Tri yefri chan