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Prasetyo, Bowo Yuli
Jurusan Teknik Refrigerasi Dan Tata Udara, Politeknik Negeri Bandung
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Journal : KURVATEK

 1 
PERANCANGAN SISTEM BRINE COOLING PADA SHOWCASE DAN KABIN HIDROPONIK UNTUK TANAMAN KANGKUNG (IPOMOEA AQUATICA) Arda Rahardja Lukitobudi; Bowo Yuli Prasetyo; M. Fasya Nur Harish; Dimas Alif Fadhil
KURVATEK Vol 6 No 2 (2021): November 2021
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v6i2.2744

Abstract

Limited area and pollution in the city and also weather problem can become an obstacle to planting kale (Ipomoea Aquatica). Post harvest storage of kale also usually does not conditioned which quickly wilted and not fresh. To create an optimum environment, it was necessary to control environment factors such as air temperature, humidity, light intensity, growing media temperature and humidity, and the availability of nutrients [2]. Tofu and wood waste as a hydroponic nutrients [1] not all area were available so in this research AB Mix nutrient was used. In this research, refrigerated showcase by brine cooling was used [3][4]. Hydroponic planting system method used in this research was Deep Flow Technique which the kale (Ipomoea Aquatica) was planted in a water layer 4-6 cm deep in conditioned showcase of 20-30 0C and 60% humidity. Brine cooling was used to condition the showcase from seed to post harvest and was observed its growth. Post harvest conditioned storage was also complete the showcase more durable. By brine cooling system to cool brine in the range of 70C to 170, the product storage cabin was maintained at 8,70C to 10,50C and the showcase cabin was maintained at 20,40C to 23,60C. The brine cooling system has COPactual of 3,98 and COPcarnot of 6,65 with system efficiency of 59,8%. Keywords: Hydroponic, Ipomoea Aquatica, showcase, brine cooling, Deep Flow Technique.
PERANCANGAN WATER CHILLER PENGKONDISI MEDIA TANAM HIDROPONIK DEEP FLOW TECHNIQUE UNTUK TANAMAN SELADA (LACTUCA SATIVA) Akbar, Anas; Angin, Ranufani Mahameru Timur; Arman, Muhammad; Lukitobudi, Arda Rahardja; Prasetyo, Bowo Yuli
KURVATEK Vol 9 No 2 (2024): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v9i2.4997

Abstract

Saat ini keterbatasan lahan serta perubahan iklim yang ekstrem menyebabkan pertumbuhan tanaman menjadi kurang optimal. Pemanfaatan sistem hidroponik dengan air yang dikondisikan dapat menjadi salah satu solusi alternatif. Penelitian ini bertujuan untuk merancang dan menguji kinerja sistem water chiller sebagai pengkondisi media tanam selada hidroponik. Sistem water chiller dimanfaatkan untuk menyerap kalor pada air sehingga temperaturnya dapat dikondisikan sesuai dengan kondisi ideal tumbuh kembang tanaman. Air yang dikondiskan kemudian dimanfaatkan untuk pengkondisian media tanam selada hidroponik dengan metode deep flow technique (DFT). Dengan temperatur air yang dijaga pada rentang 15 hingga 20oC, diperoleh beban pendinginan sebesar 694,8 Watt. Sistem dibangun menggunakan sebuah condensing unit yang dilengkapi evaporator berjenis bare-tube yang ditempatkan pada cool box sebagai sarana pertukaran kalor dengan air. Hasil pengujian menunjukkan sistem yang dibangun mampu menurunkan temperatur air hingga 15.9oC dalam waktu 30 menit. Pengujian sistem menunjukkan perolehan Coefficient of Performance-actual (COPa) sebesar 4,05 dan Coefficient of Performance-carnot (COPC) sebesar 5,13, dengan efisiensi refrigerasi sebesar 78,98%. Hasil panen dari selada hidroponik memiliki massa 0,65 kg dengan lama penanaman 18 hari.
Co-Authors A.P. Edi Sukamto Ade Suryatman Margana Afifah, Andini Luthfiyyah Akbar, Anas Aliansyah, Ridwan Angin, Ranufani Mahameru Timur Annisa, Poetri Noer AP. Edi Sukamto Apip Badarudin Arda Rahardja Lukitobudi Ary Surjanto Asep Hidayat Badarudin, Apip Darmawan, Gio Putra Dimas Alif Fadhil Fujen Wang Giovanni, Aldi Hedi, Hedi Hermawan Mitrakusuma, Windy Hidayatullah, Puguh Hiero, Frederick Ikhsan Sodikin, Rafi Juliawati, Lola KURNIASETIAWATI, ANNISA Listya Utari Luga Martin Simbolon Lukitobudi, Arda Rahardja M. Fasya Nur Harish M.Bintang faliq Margana, Ade Suryatman Maulana, Akbar Mitrakusuma, Windy Hermawan Muhamad Algi Fauza Muhamad Anda Falahuddin Muhammad Akmal Muhammad Arman Muhammad Shiddiq Maulana Muliawan, Rizki Mutiara Nurul Azmi Nugraha, Yusup Hadian Nurhazizah, Meylinda Oktantiningrum, Gita Almira Padilla, Widya Putri Nur Parisya Premiera Rosulindo Prasetyo, Yosafat Dwi Pratikto Raafi Nasirul Haq Ramdan, Arif Ranufani Mahameru Timur Angin Ridwan Rohidin Rosulindo, Parisya Premiera Simbolon, Luga Martin Sri Murniati, Sri Sumeru, Sumeru Tamba, Ivana Amelia Tresna, Agisnia Wang, Fujen Wardana, Muhammad Iqro Mahesa Wirenda Sekar Ayu Yuliane, Aindri