Judul: Manajemen Pemelibaraan lanskap Pemukiman Kota Wisata Cibubur-Jawa Barat
Abstrak: Kegiatan magang yang dilaksanakan di kawasan pemukiman Kota Wisata Cibubur Jawa Barat bertujuan untuk mendapatkan pengetahuan tentang pengelolaan atau penyelenggaraan aktivitas pemeliharaan lanskap pemukiman Kola Wisata Cibubur secara menyeluruh dan pengalaman kerja serta memperluas wawasan dan keahlian untuk mencapai profesionalisme di bidang arsitektur lanskap.
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Judul: Pengelolaan Pemeliharaan Lanskap Kawasan Vila Kota Bunga Puncak, Cipanas, Jawa Barat
Abstrak: Kegiatan magang yang dilaksanakan di kawasan vila Kota Bunga Puncak bertujuan mendapatkan pengetahuan mengenai pengelolaan atau penyelenggaraan aktivitas pemeliharaan lanskap vila Kota Bunga Puncak secara menyeluruh, memperoleh pengalaman kerja, serta memperluas wawasan dan keahlian untuk mencapai profesionalisme di bidang arsitektur lanskap. Kegiatan magang berorientasi pada pengamatan langsung di lapang sebanyak 85% dan kegiatan administratif sebanyak 15%. Dalam pelaksanaan di lapang, mahasiswa berpartisipasi aktif dengan mengikuti, mengamati, mempelajari, dan menganalisis aspek-aspek yang berkaitan dengan kegiatan pelaksanaan pemeliharaan lanskap. Untuk pelaksanaan administrasi dilakukan dengan mempelajari struktur organisasi perusahaan, aspek-aspek manajemen pemeliharaan serta mengidentifikasi permasalahan. Disamping itu, mahasiswa juga berkesempatan membuat sebuah percobaan kompos sebagai solusi alternatif dalam penanganan sampah organik di Kota Bunga. Kawasan ini menghasilkan 45 m3 sampah per hari.
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Judul: Effects of Particle Shapes on Temperature Distribution under Static Ohmic Heating.
Abstrak: The ohmic heating is defined as a process wherein an alternating electrical current is passed through materials resulting in the heat generation inside the product. The excellence of ohmic heating in comparison with other thermal processing is its energy efficiency and ohmic heating could keeping nutritional as well quality attribute of food via blanching, sterilization, pasteurization, extraction, fermentation, and evaporation. Nevertheless, in ohmic heating process, the electrical conductivity of product is a key parameter. The worst case in the ohmic heating of multiphase product could be occurred when the solid phase has very lower or very high electrical conductivity than the liquid. This study aims to reveal the temperature distribution and the heating rate properties of solid and liquid phase as affected by particle shape and its orientation to the electric field. Experiments were conducted with salt solution 1% and carrot that blanched in salt solution 6%. Blanching process was conducted in order to increase the electrical conductivity of carrot close to the salt solution 1%. Ohmic heating was applied to the sample using static cell (4.90 cm diameter and 6.00 cm in length of sample area) at constant voltage gradient (40 V). Each experiment was conducted in triplicate. It was observed that the different particle shape and orientation provide the different heating rate properties. The slice particle had the fastest heating rate. Moreover the perpendicular orientation was heated faster than parallel orientation. The parallel cylindrical shape provides the slowest heating rate. This shape possibly induced the worst-case condition and could be used as sufficiency heat parameter. The heating pattern of each solid and liquid were simulated using COMSOL modeling software. The predicted temperature values were in good agreement with the experimental data with the maximum prediction error of 3 °C.
Keyword: particle orientation, particle shape, electrical conductivity, ohmic heating