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All Journal Media Mesin: Majalah Teknik Mesin Kinestetik : Jurnal Ilmiah Pendidikan Jasmani Proceeding ISETH (International Summit on Science, Technology, and Humanity)
Subroto, S
Universitas Muhammadiyah Surakarta
Computer Science & IT Education Engineering Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Pengaruh Jenis Bahan Bakar Terhadap Kinerja Pembakaran Pada Tungku Gasifikasi Subroto Subroto; Aris Tri Handoko
Media Mesin: Majalah Teknik Mesin Vol 15, No 2 (2014)
Publisher : Program Studi Teknik Mesin, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/mesin.v15i2.2070

Abstract

KARAKTERISTIK PEMBAKARAN BIOBRIKET CAMPURAN AMPAS AREN, SEKAM PADI, DAN BATUBARA SEBAGAI BAHAN BAKAR ALTERNATIF Joko Triyanto; Subroto Subroto; Marwan Effendy
Media Mesin: Majalah Teknik Mesin Vol 17, No 1 (2016)
Publisher : Program Studi Teknik Mesin, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/mesin.v17i1.3301

Abstract

Exercise Speed, Agility and Quickness (SAQ) To Improve Physical Fitness Nur Subekti; Agam Akhmad Syaukani; Muhad Fatoni; Subroto Subroto; Amar Abdullah Dani Arni Raihan
Kinestetik : Jurnal Ilmiah Pendidikan Jasmani Vol 5, No 1 (2021): MARET (ACCREDITED SINTA 3)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jk.v5i1.14359

Abstract

The purpose of this study was to determine the speed, agility and quickness (SAQ) exercise in improving physical fitness. The sample of this study was a student of  a male in the Study Program of Sports Education Teacher Training and Education Faculty Universitas  Muhammadiyah  Surakarta peers of 30 people, to determine the sample using purposive sampling. This research method uses quasi-experimental research. Data analysis techniques using a constellation of one group pretest_posttest design. Data analysis techniques used in this study are using descriptive analysis and inferential analysis, descriptive analysis is used to describe the results of this research while inferential analysis using paired test samples at a significant level ?= 0.05 analysis used with the help of SPSS version 20.0. The results of this study showed that there is a significant influence of exercise speed, agility, and quickness (SAQ) to improve physical fitness in students of sports education FKIP Muhammadiyah University of Surakarta. Based on these findings, it can be assumed that SAQ training is an effective exercise to improve physical fitness. However, further research is needed to pay attention to other exercise methods that are associated with improving physical condition.
Analysis of Combustion Temperature in the Chopped Wood Gasification Process with Air Velocity Variation W Wijianto; S Subroto; S Sarjito
Proceeding ISETH (International Summit on Science, Technology, and Humanity) 2015: Proceeding ISETH (International Conference on Science, Technology, and Humanity)
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The general definition of gasification is thermo-chemical process of solid fuel form which becomes gas fuel with limited supply of O2 and it produces CH4, H2, CO, and impurity compound such as H2S, CO2, and tar. The objective of this research was to determine the influence of air velocity toward combustion temperature in order to invent the best values of air velocity for chopped wood gasification process.The research was commenced by preparing chopped wood as material for downdrft gasififier. Subsequently, glasswool was utilized as gasifier isolator in the gasification process to isolate heat in order to obtain the best heat efficiency. In the gasification processes, variaton of air speed was applied. The sample was chopped wood with gasification furnace in which the results of combustion temperature and combustion time were analyzed.The result indicated that the highest temperature was not depends on the fastest air flow velocity. Instead, it required a precise air flow velocity to gain the highest temperature. It was evidenced that the highest temperature gained was at 6200 C with v = 5.6 m/s air flow velocity. The longest gasification process was 13 minutes at v = 7.6 m/s and the fastestgasification process was 11 minutes at v = 5.6 m/s.
Co-Authors Abdul Basyid Adnan Abidin Rachman Adnan, Abdul Basyid Afif Faishal Agam Akhmad Syaukani Amar Abdullah Dani Arni Raihan Arif Kurniawan Aris Tri Handoko Binyamin Binyamin Fajar Tri Yunianto Joko Triyanto Joko Triyanto Marwan Effendy Muhad Fatoni Nur Subekti Sarjito Sartono Putro Shodiqin Shodiqin Sunardi Wiyono Tri Tjahjono Triyanto, Joko W Wijianto