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<![CDATA[DAMPAK KEMIRINGAN KOLEKTOR SURYA BATU GRANIT TERHADAP UNJUK KERJA ]]>
<![CDATA[Mirmanto, Mirmanto]]>;
<![CDATA[Wirawan, Made]]>;
<![CDATA[Fahrurrozi, Imam]]>
<![CDATA[ Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol 9, No 2 (2018): JURNAL SIMETRIS VOLUME 9 NO 2 TAHUN 2018 ]]>
Publisher : <![CDATA[Universitas Muria Kudus ]]>
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DOI: 10.24176/simet.v9i2.2347
<![CDATA[Percobaan untuk mengetahui dampak kemiringan kolektor surya telah dilakukan. Percobaan ini menggunakan kolektor surya dengan batu granit sebagai absorbernya. Ukuran kolektor yang digunakan adalah 100 cm x 80 cm x 10 cm dengan saluran paralel yang terbuat dari tujuh pipa tembaga. Kemiringan sudut kolektor yang divariasikan adalah 15°, 30° dan 45° dan debit aliran air yang diterapkan adalah 300, 400, dan 500 cc/menit. Pengambilan data dilakukan tiap 30 menit, sedangkan pengecekan debit aliran dilakukan tiap 10 menit. Lama total percobaan adalah 7 jam yaitu dari jam 10.00 Wita sampai jam 17.00 Wita. Hasil penelitian menunjukkan bahwa beda suhu air masuk dan keluar tertinggi didominasi oleh kolektor surya dengan kemiringan 30° yaitu sekitar 17,64°C pada debit 300 cc/menit. Sementara itu, untuk kemiringan 15° dan 45°, selisih temperatur yang diperoleh sebesar 16,11°C dan 15,91°C. Namun demikian, efisiensi rata-rata tertinggi sebesar 64,44% diperoleh pada sudut kemiringan kolektor 30° dan debit 400 cc/menit.]]>
<![CDATA[DAMPAK KEMIRINGAN KOLEKTOR SURYA BATU GRANIT TERHADAP UNJUK KERJA ]]>
<![CDATA[Mirmanto, Mirmanto]]>;
<![CDATA[Wirawan, Made]]>;
<![CDATA[Fahrurrozi, Imam]]>
<![CDATA[ Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol 9, No 2 (2018): JURNAL SIMETRIS VOLUME 9 NO 2 TAHUN 2018 ]]>
Publisher : <![CDATA[Universitas Muria Kudus ]]>
Show Abstract
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Download Original
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Full PDF (447.281 KB)
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DOI: 10.24176/simet.v9i2.2347
<![CDATA[Percobaan untuk mengetahui dampak kemiringan kolektor surya telah dilakukan. Percobaan ini menggunakan kolektor surya dengan batu granit sebagai absorbernya. Ukuran kolektor yang digunakan adalah 100 cm x 80 cm x 10 cm dengan saluran paralel yang terbuat dari tujuh pipa tembaga. Kemiringan sudut kolektor yang divariasikan adalah 15°, 30° dan 45° dan debit aliran air yang diterapkan adalah 300, 400, dan 500 cc/menit. Pengambilan data dilakukan tiap 30 menit, sedangkan pengecekan debit aliran dilakukan tiap 10 menit. Lama total percobaan adalah 7 jam yaitu dari jam 10.00 Wita sampai jam 17.00 Wita. Hasil penelitian menunjukkan bahwa beda suhu air masuk dan keluar tertinggi didominasi oleh kolektor surya dengan kemiringan 30° yaitu sekitar 17,64°C pada debit 300 cc/menit. Sementara itu, untuk kemiringan 15° dan 45°, selisih temperatur yang diperoleh sebesar 16,11°C dan 15,91°C. Namun demikian, efisiensi rata-rata tertinggi sebesar 64,44% diperoleh pada sudut kemiringan kolektor 30° dan debit 400 cc/menit.]]>
<![CDATA[A Study In The Philosophy Of Surya Namaskara For The Physiological Harmonization Of The Human Body ]]>
<![CDATA[Hemamalini, Kadek]]>;
<![CDATA[Wirawan, Made]]>;
<![CDATA[Oka Puspa, Anak Agung]]>;
<![CDATA[Wibawa, Nova]]>
<![CDATA[ Jurnal Penelitian Agama Hindu Vol 8 No 1 (2024) ]]>
Publisher : <![CDATA[Jayapangus Press ]]>
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DOI: 10.37329/jpah.v8i1.2659
<![CDATA[Surya Namaskara means worship of the Sun God. The sun as the center of the solar system is a symbol of unlimited power whose rays of universal love shine on every object and creature regardless of differences in status, ethnicity, gender, race, and class. Surya Namaskara is not just a series of physical exercises but also has depth and perfection as a spiritual practice through pranayama and asana by controlling and concentrating the fluctuations of the mind. The entire movement of Surya Namaskara represents a deep sense of appreciation for nature which manifested in various postures as a form of harmonious interaction of yogis with living creatures and the environment. This research aims to examine references to mantras/slokas in several holy books which are the philosophical basis of Surya Namaskara as well as to determine the implications of Surya Namaskara for the physiological harmonization of the human body. The method used in structuring this research is descriptive qualitative, with a phenomenological approach through data collection in the form of observation, interviews, documentation, and document study. The results of the research show that Surya Namaskara is a yadnya to the Sun God as the source of life as well as a source of energy that gives life to all creatures on Earth, and if done regularly will have implications for the system in the body, physical and mental health so that body harmonization will be realized and in ultimately it can increase intellectual and spiritual intelligence.]]>
<![CDATA[UNJUK KERJA DISTILLER TENAGA SURYA SISTEM KONTINUE DENGAN BERBAGAI JUMLAH KACA PENUTUP ]]>
<![CDATA[Mirmanto, Mirmanto]]>;
<![CDATA[Wirawan, Made]]>;
<![CDATA[Sayoga, I Made Adi]]>;
<![CDATA[Abdullah, A.]]>;
<![CDATA[Faisal, M.]]>
<![CDATA[ Jurnal Teknik Mesin ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ(Journal Of Mechanical Engineering) Vol 9, No 1 (2020) ]]>
Publisher : <![CDATA[Universitas Mercu Buana ]]>
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DOI: 10.22441/jtm.v9i1.6965
<![CDATA[Penelitian tentang distiller tenaga surya sistem kontinue untuk mengetahui unjuk kerja distiler tersebut telah dilakukan. Tiga buah distiller yaitu distiller dengan kaca penutup tunggal, ganda dan rangkap tiga telah dirancang dan diuji.Material yang diuji adalah air laut berasal dari pantai Tanjungkarang, Mataram, NTB yang diubah menjadi air tawar melalui proses distilasi.Ukuran distiller yang diuji adalah 1136 mm x 936 mm x 574 mm (bagian luar), sedangkan ukuran plat penyerap panasnya adalah 0,8 m x 1 m. Penelitian dilakukan pada bulan Juli 2019 dari jam 09.00 WITA hingga jam 16.00 WITA. Hasil menunjukan bahwa semakin banyak jumlah kaca penutup semakin sedikit air tawar yang diproduksi. Distiller dengan kaca penutup rangkap tiga lebih panas sehingga uap air tidak dapat mengembun. Oleh sebab itu, distiller dengan kaca penutup tunggalah yang direkomendasikan untuk digunakan.]]>
<![CDATA[Optimisation of Air-water Harvester Machine Performance With Variations of Inlet Air Flow Velocities ]]>
<![CDATA[Mirmanto, Mirmanto]]>;
<![CDATA[Wirawan, Made]]>;
<![CDATA[Tarmisi, Ahmad]]>
<![CDATA[ SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol. 18 No. 2 (2024): SINTEK JURNAL ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Jakarta ]]>
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DOI: 10.24853/sintek.18.2.129-134
<![CDATA[In the dry season, some parts of Indonesia experience drought and clean water crisis which results in scarcity and difficulty in drinking water. One way to overcome this problem is to present a water-producing device from air called a water harvester machine. The purpose of this study was to examine the effect of the inlet air velocity of 4 m/s, 5 m/s, and 6 m/s on the mass of water produced and the rate of heat transfer. This study was conducted experimentally with R134a refrigerant working fluid, and a 1 PK rotary compressor and centrifugal fan. The results showed that the highest water mass, which was 5.99 kg, was obtained at an air velocity of 6 m/s. The highest heat transfer rate, which was 2080.2 W, was also obtained at a speed of 6 m/s. This can be caused by the high inlet air velocity, the inlet air mass flow rate is also high so that the water vapor content that enters is greater. As a result, the mass of water produced is greater and the rate of heat transfer that occurs is also greater.]]>
<![CDATA[PENGARUH JUMLAH PIPA TERHADAP LAJU PELEPASAN KALOR PADA KOLEKTOR SURYA ABSORBER BATU GRANIT ]]>
<![CDATA[Wirawan, Made]]>;
<![CDATA[Mirmanto, Mirmanto]]>;
<![CDATA[Sutanto, Rudy]]>
<![CDATA[ Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 5, No 2 (2015): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin ]]>
Publisher : <![CDATA[Universitas Mataram ]]>
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<![CDATA[Fossil energies as un-renewable energies have been getting depletion. Therefore, the use of alternative energy should be raised. One of the alternative energies is solar energy. Solar energy does not pollute the environment and is categorized as a renewable energy which is free and plentiful. In this research, the solar energy was used to heat water by operating granite absorber solar collectors. The water was flowed naturally from a higher tank and adjusted using a valve fitted at the outlet of the collector. The volumetric rates of the water were 200, 250 and 300 cc/minutes. Two identical solar collectors with an overall dimension of 0,8 m x 1 m x 0,1 m were placed under the sun and faced to the North with an inclination angle of 15°. One collector contained 5 parallel pipes and the other comprised 7 parallel pipes. Data obtained in this research are glass cover temperatures, an ambient temperature, absorber temperatures, inlet and outlet water temperatures, and water volumetric rates. The results show that the 7 parallel pipe collector products higher outlet water temperature and energy than the 5 parallel pipe collector. Consequently, in the process of energy removal/discharge, the heat stored in the 7 parallel pipe collector runs out quicker. ]]>
<![CDATA[ANALISA PENGARUH VARIASI SUSUNAN TERHADAP KEMAMPUAN UNJUK KERJA POMPA HYDRAM DITINJAU DARI ASPEK TINGGI TERJUNAN AIR ]]>
<![CDATA[Sutanto, Rudy]]>;
<![CDATA[Wirawan, Made]]>
<![CDATA[ Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 1, No 1 (2011): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin ]]>
Publisher : <![CDATA[Universitas Mataram ]]>
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<![CDATA[Cultivation activities, both in the development of food crops, horticulture, livestock and plantations. Availability of water is a strategic factor. Specific areas adjacent to the water source or location are under the eyes water, water needs are less of a problem. However, the ground reality is not always flat; there is the hilly or bumpy. Land surface area is higher than the water source and the bumpy areas will have trouble getting a continuous supply of water. Therefore need to find an alternative to reduce the burden. One alternative is that hydram pump hydraulic work without using gasoline. Hydram pump was applied to a small debit them to raise water and drinking water needs of households. However, the use for irrigation in dry land agriculture that requires a large output flow is unknown. The method used in this research is to create models in the laboratory to simulate the independent variables of pressure (high falling) water flow while bound variables measured include debit and results of hydraulic pressure. The results of experiments that analyzed the correlation between independent variables and the variables are bound to get hydram pump efficiency. Pumps that were realized and tested in the laboratory have the following specifications: input = 1.5 inch diameter; output diameter = 0.5 inches; step on the valve piston waste = 5 mm; air tube diameter = 3 inches; air tube length = 24 cm ; material with galvanized pipe, construction of hydram pump consisting of the first arrangement of input - waste valves - compressor (ILK) and the second arrangement of input - compressor - waste valve (IKL). Pump of hydram with arrangement ILK has the ability to better performance when compared with the composition of IKL. Where pump of hydram with the composition of ILK has the best efficiency at 2.5 meters high waterfall with a debit enter 2.458 liters / sec discharge output capable of being lifted by a pump at 0087 liters / sec while the high lift or vertical height of the pump which is equal to 30 meters and efficiency pump of hydram which is equal to 13.6%.]]>
<![CDATA[PENGARUH VARIASI SUSUNAN PIPA TERHADAP LAJU PELEPASAN KALOR PADA KOLEKTOR SURYA ABSORBER BATU GRANIT ]]>
<![CDATA[Mirmanto, Mirmanto]]>;
<![CDATA[Wirawan, Made]]>;
<![CDATA[Tira, Hendry Sakke]]>
<![CDATA[ Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 5, No 2 (2015): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin ]]>
Publisher : <![CDATA[Universitas Mataram ]]>
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<![CDATA[As the fossil energy gradually gets depletion, alternative energies should be utilized. One of alternative energies, which is easier to be used, is solar energy. In this research, the solar energy, which was captured using a flat plate collector with a granite absorber, was used to heat water. The overall dimension of the collector was 0,8 m x 1 m x 0,01 m with a gap between the glas cover and the absorber of approximately 50 mm. Copper pipes with a diameter of 1/2 inch were used to transfer the heat to the water. The volumetric rates of the water were 200 cc / min, 250 cc / min and 300 cc / min and the water was flowed naturally from a higher water tank and was adjusted using a valve installed at the outlet of the collector.The test results indicate that the energy absorbed by the water decreases with the observation time. The parallel pipes cause quick heat removals from the granite absorber. Energy absorbed by the water in the parallel pipes is much greater than that in the serpentine pipe, and the granite can be used for storing the heat energy]]>
<![CDATA[ANALISA PENGARUH VARIASI BENTUK ABSORBER PADA ALAT DESTILASI AIR LAUT TERHADAP KENAIKAN SUHU AIR DALAM RUANG PEMANAS DAN JUMLAH PENGUAPAN AIR YANG DIHASILKAN ]]>
<![CDATA[Mukaddim, Aldi]]>;
<![CDATA[Wirawan, Made]]>;
<![CDATA[Alit, Ida Bagus]]>
<![CDATA[ Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 3, No 2 (2013): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin ]]>
Publisher : <![CDATA[Universitas Mataram ]]>
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<![CDATA[Clean water is a requirements of very important human life. Indonesia is a maritime country that has many islands surrounded by ocean, had a decreased clean water problem. One of the method to be used for obtain clean water is sea water distillation process. One of the most important tools is absorber distillation. occurs heat transfer from the absorber to the sea water causing, rising sea temperatures cause sea water to evaporate. The rising temperature of the sea water increases the amount of evaporation that occurs. The more the amount of evaporation generated will increase the number of fresh water produced. Increased seawater temperatures by increasing the temperature absorber, so it needs to be analyzed shape of the absorber which one can be produce more clean water than the others, a conclusion of the study indicated that solar distillation plat shape with a huge wave absorber produces more clean water than the others , the average amount of water that is more of 908 ml, compared with a small wave absorber plate only produce 764.4 ml average a day and a flat plate absorber only produce 599 ml average a day, it is not independent of heat absorption by absorber, solar distillation plat shape with a huge wave absorber absorbs more heat than the other two absorber plates, this has resulted in solar distillation shape with a huge wave absorber plate very well produce more water than the otehrs. ]]>
<![CDATA[ANALISA LAJU PERPINDAHAN PANAS PADA KOLEKTOR SURYA TIPE PELAT DATAR DENGAN ABSORBER PASIR ]]>
<![CDATA[Wirawan, Made]]>;
<![CDATA[Sutanto, Rudy]]>
<![CDATA[ Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 1, No 2 (2011): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin ]]>
Publisher : <![CDATA[Universitas Mataram ]]>
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<![CDATA[Solar energy constitute one of potential alternative energy to develop as a back up of energy. Especially for countries in khatulistiwa location belonging to Indonesia. For use solar energy needful collector that using absorber. Using sand as a absorber make up step for increase value and profit of sand, in a economics manner the price more cheap and easy to obtain than another absorber. The analysis use sand as a alternative absorber for solar collector did for understand rate of heat transfer to acceptanceof water. Dimention of collector are 560 mm x 310 mm with thick of sand absorber 10 mm and 1.2 mm for aluminum plate as a comparator. Observation did begin 10.00 am until 14.00 pm for the two of them in the weather clear sky. The rate of water in this research are 200 cc/min, 250 cc/min and 300 cc/mn for another dan at the same time. The result of analysis be obtained heat absortion by water for solar collector with aluminum absorber more large than sand absorber. The debit of water more and more large in the collector so absorb heat by water more large because incretion the mass flow rate of water (m ). The heat losses in the solar collector aluminum absorber more than sand absorber.]]>
