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All Journal Prosiding Seminar Nasional Pakar Infotekmesin Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Jurnal Janata
Camalia Hartantrie, Rovida
Universitas Pancasila
Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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ANALISIS MULTI MODULAR SYSTEM AIR CONDITIONING PADA APLIKASI GEDUNG PERKANTORAN DI PLAZA SUA Julyan Eria; I Gede Eka Lesmana; Rovida Camalia
Prosiding Seminar Nasional Pakar Prosiding Seminar Nasional Pakar 2019 Buku I
Publisher : Lembaga Penelitian Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/pakar.v0i0.4168

Abstract

Jumlah bangunan telah tumbuh secara pesat dalam beberapa dekadeterakhir, sehingga meningkatkan permintaan air conditioning yang cukupbesar. Bangunan komersial saat ini telah banyak menggunakan Multi modular system air conditioning sebagai langkah penghematan energi yang dilakukan. Pada penelitian ini dilakukan uji performasi atau kinerja Multi modular system air conditioning yang terdapat di Plaza SUA yang berlokasi di kota Jakarta Selatan, DKI Jakarta. Perhitungan yang dilakukan meliputi perhitungan kerja aktual kompresor, perhitungan kapasitas kondensor, perhitungan coefficient of performance refrigerant (COP) dan biaya pemakaian listrik. Kinerja dari sistem pendingin diambil pada beban puncak (peak load) yaitu pada jam 14:00 WIB dengan nilai kerja kompresor sebesar 21,05 kW, kapasitas kondensor 88,40 kW, COP sebesar 3,55 dan biaya listrik sebesar Rp 53.188.600,- per tahun, lebih hemat dibandingkan menggunakan single split air conditioning denganpengeluaran Rp 82.620.000,- per tahunnya.
Analisis Kinerja Motor Terhadap Kerusakan Kompresor Tipe B – 304 pada LRT Jakarta Seri 1100 Wahyu Hari Nugroho; I Gede Eka Lesmana; Rovida Camalia Hartantrie
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 1 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.2429

Abstract

Compressor is one of the energy conversion machines that has a function to compress or compress the working fluid, in this case compressible fluid. To maintain the reliability of components carried out maintenance including periodic maintenance and maintenance when there is damage, in this final task obtained data on the 71st weekly maintenance obtained compressor is not able to supply air optimally. Output power obtained output power of 61,475 kW, while in data processing obtained the largest output power obtained by 85.6 kW large output power based on high current input due to excess load on the motor. The amount of output power that exceeds the maximum output power results in a fracture in the piston rod. And get a filter that has been dirty on the compressor so that the air can not be compressed to the maximum.
Analisis Pengaruh Getaran Pompa Terhadap Aliran Fluida pada Proses Pemipaan Skala Laboratorium I Gede Eka Lesmana; Febriani Chairunisa; Maria Putri Hartanto; Rovida Camalia Hartantrie
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 4 Nomor 2 Tahun 2022
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v4i1.3461

Abstract

Piping installations are generally used to drain fluids with the help of tools such as pumps. The pump motor causes a high enough vibration so that if it is connected to a piping installation it can cause vibrations in the pipe. If the vibration generated by the pump against the pipe is strong enough, it can cause problems such as misalignment, and others. To identify the resulting vibration. In this study, using variations in the diameter of the pipe and variations in the distance of the blockage in the clogged pipe. Variations in the diameter of the pipes used are ½”, ¾”, 1”, 1 ¼”, dan 1 ½”. And the variation of the distance of the blockage on the pipe that is plugged is 196.5 cm, 206.5 cm, 216.5 cm, 226.5 cm, and 236.5 cm. The comparison of the value of the vibration velocity becomes a reference to determine the diameter of the pipe that is suitable for installation and to find out that the clogged pipe can flow fluid. Based on the results of this study, a pipe with a diameter of ½”has the highest vibration velocity value of 6.1 mm/s and a pipe with a diameter of 1 ½” has the lowest vibration velocity value of 0.82 mm/s and in the condition of a clogged pipe the value is 1, 04 mm/s and the average value of the vibration velocity in the pipe under normal conditions is 0.7 mm/s.
Pengaruh Penggunaan Lapisan Phase Change Material Parafin Grafit Sebagai Pendingin Terhadap Efisiensi Panel Surya Polycrystalline Rovida Camalia Hartantrie; Ryann Argadiraksa; I Gede Eka Lesmana
Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i2.1549

Abstract

Solar panels such as PLTS can be an alternative to complete electricity needs. However, the intensity and temperature of the sun that can not be adjusted are an obstacle to the use of solar panels. Continuous absorption of sunlight can cause solar panels to overheat. Therefore, it is necessary to cool the solar panels, therefore the heat absorbed does not exceed the capacity. Phase Change Material (PCM) paraffin graphite is one of the coolants for solar panels. PCM paraffin graphite was used to coat solar panels and then measured for voltage, current, and temperature. The results were compared with solar panels that were not covered with PCM paraffin graphite. The test results found that solar panels coated with PCM produced a lower surface temperature of 0.1458% than those without PCM. Meanwhile, the efficiency and power produced by PCM-coated solar panels were 19.496% and 0.02685% higher than solar panels without PCM, respectively, so the use of PCM paraffin graphite in solar panels can increase their efficiency.
PERBAIKAN EKSTRAKSI PRODUK HERBAL Arif Tatak; Yati Sumiyati; Rovida Camalia Hartantrie; Yesi Desmiaty; Gumilar Adhi Nugroho
Jurnal JANATA Vol 2 No 2 (2022): Jurnal Janata
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/janata.v2i2.4364

Abstract

Produk herbal yang dimanfaatkan untuk menjaga stamina dan pengobatan saat ini sudah diolah sehingga bisa diperoleh dalam sediaan serbuk yang dikemas sebagai kapsul, tablet atau sirup. Serbuk tersebut adalah hasil ekstraksi dari bahan herbal. Salah satu tahapan dalam proses ekstraksi herbal adalah proses pemasakan bahan herbal. Proses pemasakan ini memegang peranan sangat penting karena menentukan kualitas ekstrak herbal yang dihasilkan. Penggunaan panas berlebih (over heat) akan mengakibatkan rusaknya kandungan nutrisi yang ada pada bahan herbal. Untuk meminimalisasi terjadinya panas berlebih pada proses pemasakan maka digunakan panas dari uap air yang dihasilkan oleh boiler. Hal ini diharapkan dapat memperbaiki kualitas produk ekstrak herbal yang sebelumnya dimasak menggunakan kompor gas.
Co-Authors Arif Tatak Febriani Chairunisa Gumilar Adhi Nugroho I Gede Eka Lesmana Julyan Eria Maria Putri Hartanto Ryann Argadiraksa Wahyu Hari Nugroho YATI SUMIYATI Yesi Desmiaty, Yesi