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All Journal Jurnal Ilmiah Teknik Mesin "MEKANIK" Jurnal Masyarakat Indonesia
Suhada, Khairul
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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KAJIAN EKSPERIMENTAL UNJUK KERJA KOLEKTOR UNTUK MESIN PENDINGIN SIKLUS ADSORPSI YANG DIGERAKKAN ENERGI MATAHARI Purba, Jhon Sufriadi; Suhada, Khairul; Wijaya, Darma
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 5 No 2 (2019): November 2019
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (598.936 KB)

Abstract

The rapid development of the refrigeration system, along with the rapid advancement of technology. Adsorption refrigeration cycle is currently being developed, especially in developing countries. Adsorption refrigeration cycle is very environmentally friendly. One component of this is the generator cooling machine. Type of generator used is a flat plate. The area of ​​adsorber is 0.25 m2 with a slab thickness is 1 mm. In this adsorber filled with activated carbon as much as 8 kg. The temperature of the water will decrease with decreasing temperature refrigerant in the evaporator. On the afternoon of the desorption process occurs adsorber receives heat from the lights and the refrigerant will flow into the condenser and melt in the evaporator, at night adsorber is cooled by the outside environment resulting in the adsorption process, the refrigerant will evaporate from the evaporator into the condenser and adsorber will be absorbed. The results of this study are vacuum adsorber temperature to obtain the absorption refrigerant refrigerant methanol at 200 0C and the temperature thermostat produces 123.43 0C adsorber temperature and methanol as refrigerant absorbs 6.25 ml/kg. Keywords: Adsorption, desorption, generator, activated carbon, refrigeration
Aplikasi Alat Perangkat Pemipil Jagung Sebagai Upaya Menambah Pendapatan Petani Jagung Bagi Masyarakat Untuk Desa Pematang Kasih Kecamatan Pantai Cermin Napid, Suhardi; Suhada, Khairul; Rizaldi, Rahmat; Fikriansyah
Jurnal Masyarakat Indonesia (Jumas) Vol. 3 No. 02 (2024): Jurnal Masyarakat Indonesia (Jumas)
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jumas.v3i02.156

Abstract

The Student Creativity Program (PKM) aims to increase the income of corn farmers in Pematang Kasih Village, Pantai Cermin District, through the introduction and application of corn threshing tools. The background of this activity is the low productivity of corn farmers caused by the threshing process which is still done manually, so it takes a lot of time and energy. Through this activity, socialization, training, and distribution of corn threshing tools to local farmers are carried out. The methods used in this activity include designing and making machines, theory and lectures, and training in using the tools. For a corn harvest of 1 hectare, if the corn cobs from the corn harvest are sold to collectors by corn farmers in the amount of 1 ton with the price provision from the collector of Rp. 3,100 / kg, then the funds obtained are Rp. 3,100,000. With the acquisition of Rp. 3,100,000, corn farmers have made a profit including the cost of jetting the land, buying seeds and fertilizers, spraying pests. The use of corn threshing tools will certainly make corn farmers experience even greater profits after drying the corn that is ready to be sold for Rp. 6,500/kg to each animal feed store with the consequence of having land for drying. The results of the activity show that the use of corn shellers can increase the efficiency of the shelling process by up to 70% and significantly increase farmers' income ≥75% including operational costs. In addition, this activity also improves farmers' skills in utilizing modern agricultural technology. Thus, this PKM activity is expected to be a model for empowering rural communities through technology, which not only improves farmers' welfare but also contributes to local economic development.
Co-Authors Anak Agung Gede Sugianthara Fikriansyah Napid, Suhardi Purba, Jhon Sufriadi Rizaldi, Rahmat