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All Journal JTT (Jurnal Teknologi Terapan) Proceedings Series on Physical & Formal Sciences Jurnal Pengabdian kepada Masyarakat (Nadimas)

Sunanto Sunanto

Politeknik Negeri Indramayu

Author-ID : 3730631

Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Mechanical Engineering Public Health Social Sciences

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Articles

PENGARUH KECEPATAN PUTARAN BLOWER EVAPORATOR TERHADAP KINERJA AC MOBIL Wardika Wardika; Sunanto Sunanto; Ferry Sugara; Yusha Tri Mulya
Jurnal Teknologi Terapan Vol 4, No 2 (2018): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

The air distribution system in the room has the task of flowing cold or hot air into the room, a comfortable room condition is at a temperature of 24˚C. This study aims to determine the effect of the speed of the blower rotation on the performance of the car's AC. The cooling system in the vehicle, uses a blower to distribute cold air produced by the evaporator. Many choices of speed blowers to distribute cold air. In this study using variations in the speed value of blowers. Blower speed greatly affects the room / cabin temperature. Avoiding excessive energy consumption or inefficient energy consumption is indicated by a decrease in the COP from a cooling machine. After research obtained efficiency data for low blower rotation speed of 73.36%, medium rotation of 72.86%, and high rotation of 72.83%. But the fastest cooling of the cabin uses a high speed blower rotation. Keywords: Performance, Car AC, Speed Blower, Temperature

KAJIAN KENYAMANAN RUANG KULIAH TN II JURUSAN TEKNIK FISIKA UNIVERSITAS GADJAH MADA (UGM) DITINJAU DARI ASPEK TERMAL DAN POLA ALIRAN UDARA MENGGUNAKAN FLUENT Sunanto Sunanto; Karsid Karsid
Jurnal Teknologi Terapan Vol 2, No 2 (2016): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Temperature and air circulation is an important factor in a building since it is closely related to health comfort. Therefore, the design of a building should be carry out precisely in getting a clean, healthy and comfortable air circulation in accordance to the requirement of the room.In order to carried out a good building designing, a research was needed to understand temperature distribution, the pattern of air flow and its velocity. In this research, a Classroom of TN II JTF UGM. This classroom have 1030 cm length, 790 cm of width, and 330 cm of height. The size of the windows is 100 x 100 cm and place 1m from the floor. The size of the doors is 140 x 210 cm. The windows are assumed to be widely open, the door always opened. The researched begins with geometric modeling of the model by using Gambit 2.2.30 and continued with model testing using Fluent 6.2.16. The test is carried out by giving three velocity variation of free air flowing i.e.: from 1.3 m/s, 3.61 m/s and 5.92 m/s, two direction variation of open air flowing and two variation temperature of free air i.e.: 21.50C and 27.650C.The standard of comfortable air velocity used in the room is 0.15 < V < 0.25 m/s, The standard of comfortable temperature used in the room is 20.50C and 27.10C. The air velocity and air temperature variation created comfort area and non comfort area in the room .The direction circulation of air variation created the different pattern air circulation in the room.

SISTEM KONTROL SUHU PENYIMPAN BUAH-SAYUR PADA MESIN PENDINGIN TERMOELEKTRIK Rofan Aziz; Muh Tanwirul Afkar; Sunanto Sunanto; Karsid Karsid
Jurnal Teknologi Terapan Vol 3, No 2 (2017): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Conventional cooling systems based on vapor compression have a high coefficient of performance (COP). However shortage of vapor compression cooling systems still using refrigerants that have detrimental effects on the environment. For that purpose, the research of fruit and vegetable storage machine using thermoelectric system TEC1-12706 with temperature control system using arduino. In this study the temperature in the cabin can be stable at 15° C and still feasible for use as a storage of fruits and vegetables.

UJI PERFORMANSI EVAPORATIVE COOLING SYSTEM PADA KUMBUNG JAMUR MERANG DENGAN VARIASI TEKANANNYA Ahmad Maulana Kartika; Sunanto Sunanto; Ade Suryatman Margana
Jurnal Teknologi Terapan Vol 8, No 2 (2022): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v8i2.367

The mushroom cultivation process carried out by farmers is usually in a kumbung measuring 7 meters long, 5 meters wide, and about 3 meters high. According to farmers' confessions, during the dry season or when the weather is sunny (daytime conditions) the temperatur inside the kumbung is relatively high and can reach temperatures of up to 40 oC. These conditions are clearly not in accordance with the optimum conditions of mushroom growth, where the optimum temperature of the mushroom growth ranges from 30 oC - 35 oC. For this reason, it is necessary to apply an air conditioning system in the mushroom room so that its growth can be optimally as expected. The method used to cool the mushroom room is to use high-pressure spray cooling, where the cooling method of the spray cooling is to utilize the evaporative cooling principle of pressurized water spray with the help of a compressor. The water spray pressure in this test will be varied at 5 psi, 10 psi, and 15 psi. From the experiments that have been carried out, the results of the test at a pressure of 5 psi have the highest efficiency, which is about 19,2%, while at a pressure of 10 and 15 psi it has an efficiency of about 34,2 % and 38,7%, respectively. The average room temperature for a pressure of 5 psi is about 34.8 oC, while for a pressure of 10 and 15 psi each has an average room temperature of about 33.7 oC and 33,4 oC. Furthermore, the cost operational for the 5 , 10 , and 15 psi tests have values of about Rp 18.860,- Rp 29.741,- and Rp 40.662,- montly.

PENGEMBANGAN BALAI LATIHAN KERJA (BLK) DI BIDANG R-HVAC DI BLKK CORDOVA INDRAMAYU Yudhy Kurniawan; Wardika Wardika; Sunanto Sunanto
Jurnal Pengabdian kepada Masyarakat (NADIMAS) Vol 1 No 1 (2022): Jurnal Pengabdian kepada Masyarakat (Nadimas)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat

Salah satu permasalahan besar yang dihadapi pemerintah kabupaten Indramayu dewasa ini adalah bertambah banyaknya jumlah pengangguran terdidik. Berdasar data dari BPS (Badan Pusat Statistik) Kabupaten Indramayu, pengangguran telah mengalami kenaikan. Tercatat sejak tahun 2020 angka pengangguran ini sudah mencapai 9,21%, hal ini mengingat selama masa pandemic Covid-19 telah memporak-porandakan laju perekonomian masyarakat Indramayu. Berbagai upaya dilakukan untuk menjawab permasalahan di atas, salah satunya keberadaan Balai Latihan Kerja (BLK) yang salah satu fungsinya memberikan pelatihan dan keterampilan pada angkatan kerja putus sekolah. Namun beberapa BLK masih belum bisa menjawab secara kebutuhan pasar kerja terkait penyerapan angkatan kerja terdidik atau usaha mandiri, karena keterbatasan biaya operasional untuk mengembangkan berbagai sector keahlian. Melihat kondisi tersebut perlu ada peran upaya konkrit institusi Politeknik Negeri Indramayu (POLINDRA) dalam mewujudkan Tri Darma Perguruan Tinggi yaitu kegiatan pengabdian masyarakat, yang dalam hal ini akan mengadakan program pengembangan kewirausahaan untuk salah satu Balai Latihan Kerja (BLK) yang ada di Indramayu yaitu BLK Komunitas Cordova Indramayu di bidang jasa service Pendingin dan Tata Udara (R-HVAC). Program ini dilakukan mengingat bidang ini pangsa pasarnya cukup luas, yang mana hampir setiap rumah atau gedung membutuhkan unit pendingin dan tata udara, sementara tenaga teknisi yang menangani service atau perawatan masih terbilang minim. Untuk itu dengan keterlibatan Polindra khususnya Jurusan Teknik Pendingin dan Tata Udara mampu memberikan stimulan kepada BLK tersebut untuk dapat mengembangkan usaha pelatihannya. Kontribusi yang diberikan adalah penyediaan unit trainer R-HVAC skala domestic, alat dan bahan service, serta tenaga pengajar atau pendamping selama program PKM ini berjalan.

Uji Performansi Mesin Ice Tube Kapasitas 20 Kg Per Hari dengan Variasi Debit Aliran Air Spray Ahmad Maulana; Sunanto Sunanto
Proceedings Series on Physical & Formal Sciences Vol. 6 (2023): Prosiding Seminar Nasional Teknik (SENATEK) 2023
Publisher : UM Purwokerto Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/pspfs.v6i.873

Ice tube, also known as crystal ice, is generally transparent ice which is cylindrical in shape and has cavities with small pieces. Ice tube is one of the most popular types of ice because it is more practical. Along with the shifting of people's needs from block ice to tube ice, the need for tube ice is increasing. To expand the big opportunities, we need ice tubes that can be made at home with small scale production. With a simple design and at a low cost. ice machine designed to use a vapor compression system. The main components consist of: compressor, condenser, capillary tube, and evaporator with refrigerant using R22. Considering that the tube ice machine is designed at home with a 12V DC pump as a water vacuum and sprays water into the evaporator with a water flow rate of 1.4 liters per minute. To determine the performance of the system with different water flow rates, performance testing was carried out on a tube ice machine with variations in the flow rate of spray water with several voltages, namely at 9 volts, 12 volts and 15 volts. From the tests that have been carried out, the results show that at a voltage of 9 volts it has the lowest efficiency of about 75%, with an evaporator temperature reaching -5.5°C and a condenser temperature of 46°C, at a voltage of 12 volts it has an efficiency of around 77%, with an evaporator temperature reaching -4.25°C and the condenser temperature is 43°C, while at 15 volts it has the highest efficiency of around 82%, with the evaporator temperature reaching -1.06°C and the condenser temperature 39°C. However, the operational cost rates for using an ice tube machine at a voltage of 9 volts, 12 volts and 15 volts are Rp. 634.56,- ; Rp. 765.85, - and Rp. 1223.07,- per kilogram of tube ice for 45 minutes on operational test.

Co-Authors Ade Suryatman Margana Ahmad Maulana Ahmad Maulana Kartika Ferry Sugara Karsid Karsid Muh Tanwirul Afkar Rofan Aziz Wardika Yudhy Kurniawan Yusha Tri Mulya

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