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Anwar Ilmar Ramadhan
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Journal of Applied Sciences and Advanced Technology
Published by Universitas Muhammadiyah Jakarta
ISSN : -     EISSN : 26226553     DOI : 10.24853/jasat
Core Subject : Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering
Journal of Applied Sciences and Advanced Technology (JASAT) is an international peer-reviewed journal dedicated to interchange for the results of high quality research in all aspect of applied sciences, advanced technology. The journal publishes state-of-art papers in fundamental theory, experiments and simulation, as well as applications, with a systematic proposed method, sufficient review on previous works, expanded discussion and concise conclusion. As our commitment to the advancement of science and technology, the JASAT follows the open access policy that allows the published articles freely available online without any subscription.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol 3, No 1 (2020): Journal of Applied Sciences and Advanced Technology" : 5 Documents clear
The Effect of Oil Thickness in the Cylindrical Settling Tank on the Moisture and Impurities of Crude Palm Oil (CPO) St. Nugroho Kristono; Istianto Budhi Rahardja; Ali Darmawan
Journal of Applied Sciences and Advanced Technology Vol 3, No 1 (2020): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.3.1.21-28

Abstract

Cylindrical Settling Tank (CST) is a unit of clarification station that functions as a process of placing and extracting / extracting palm oil using the under flow and upper flow processes of palm oil. A clarification station is a station in a palm oil mill which functions to separate oil, water, sludge and other objects involved in the refining process of palm oil. This process aims to obtain clean palm oil and avoid dirt and water levels during the extraction process. The higher / thicker the oil layer is taken, it will affect the quality of the palm oil obtained, so it is carried out by taking palm oil slowly (laminar flow). Taking the height / thickness of palm oil is carried out on a skimmer unit that can rise and fall from the surface of the palm oil using a screw system. The results of taking the height / height of palm oil from the level of 20 cm, 30 cm, and 40 cm with the average yield of water content and CST feed impurities are 29.125% and 38.931%, the average output of the Skimmer for moisture and moisture content. the impurities are 1.039% and 0.089%. The mean wet oil tank output was 0.956% and 0.037%, and the mean moisture content and dirt content of the vaccum drier were 0.196% and 0.021%.
Analysis of the Potential for Savings in Electrical Energy Consumption in Lifts: Case Study in Indonesia Deni Almanda; Anwar Ilmar Ramadhan
Journal of Applied Sciences and Advanced Technology Vol 3, No 1 (2020): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.3.1.29-34

Abstract

Regenerative Drive is a motor drive system in an elevator that can also generate electrical energy while consuming electrical energy in the elevator machine, Regenerative Drive converts gravitational potential energy into electrical energy by utilizing the operating characteristics of the lift and the weight difference between the lift cage and the load balancing (Counterweight). ). The resulting regenerative power is recovered by returning to the building electricity and being used in other electrical equipment. Regenerative drive lift test location is located in Building which has an elevator using Regenerative Drive. With a motor power of 38.6 kW and can produce regenerative power of 29 kW.
“De Tjolomadoe”: from Cultural Heritage to Industry 4.0 Yuke Ardhiati; Setia Damayanti; Diptya Anggita; Adryanto Ibnu Wibisono; Ramadhani Isna; Ade A.S. Fajarwati; Amurwani Dwi Lestariningsih
Journal of Applied Sciences and Advanced Technology Vol 3, No 1 (2020): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.3.1.1-8

Abstract

This article describes a combining research innovation (in cultural heritage) with Industry 4.0 at “De Tjolomadoe” the used sugar factory building. The original name is Suikerfabriek Tjolomadoe at Malangjiwan Karang Anyar. Owned by Kanjeng Adipati Mangkunegara IV of Surakarta built in 1861. By fact, it is the only one sugar factory owned by the Javanese Royal Family during Dutch Colonial era. After Republic of Indonesia was built, it nationalized by Indonesian Government (1946) during Soekarno era (1945-1967). After held it in Adaptive Reuse in 2017 the building’s roles a new function as Convention and Heritage. By refers to a qualitative research, the study aims to finding the elements of industrial 4.0 SDGs in “De Tjolomadoe” included the museum concept. Inside the Convention and Heritage building was found an edutainment facility to accommodate the millennial age. Behind, the gigantic of sugar factory machines, dioramas, archives, miniatur models, original drawings are shows as museum collections. In the huge of “De Tjolomadoe” outdoor lanscape there are the originally of building construction by giant typo”ANNO 1928 ” in the brick wall, the Art Deco style of the Resident’s House Administrator, the Prince’s Gazebo, the Sarkara Hall as a multi-function hall, and prefecly by the beautiful Sunken Plaza. Related to industrial 4.0 SDGs they show the internet of thing (IoT) by created the Old Javanese civilization of sugar factory. Especially in The Royal Landscape’s corner there are “glow in the dark” by an artificial intelligent architecture. It shows the glory of the last Sugar Factory in Java Island during at the Colonial Era. Now, by the successfully of the Adaptive Reuse in 2017 was composed The Cultural Heritage with industry 4.0 has modified “De Tjolomadoe” to be one of the venue of the millennial visitors to create their happy times during its appreciation.
The Improvement Of Electrical Power Generated By Pump As Turbine Using Guide Vane Dede Lia Zariatin; Taruna Taruna; Danies Seda; Agri Suwandi; Ismail Ismail
Journal of Applied Sciences and Advanced Technology Vol 3, No 1 (2020): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.3.1.17-20

Abstract

One of the problems faced by micro hydropower plant, including Pump as Turbine is low efficiency. Pump as Turbine (PAT) is one of micro-hydro power plant that uses a centrifugal pump as the turbine and modifies the pump motor to become a generator. Researches tried to improve the PAT efficiency by modifying the impeller and pump housing in order to optimize the flow that rotates the generator shaft. However, there is still another possibility of modifying and improving the water flow by using a regulating or guide vane. This research aims to improve PAT efficiency by conditioning the water inlet using a guide vane in a vertical direction. The regulating vane with a diameter of 56 mm has four vanes made of stainless steel. The vane is adjustable so that the vane opening can be regulated. In this research, the vane opening was setting at 0°, 30°, 45°, and 65°. The experimental test was performed at a PAT power plant's laboratory scale with a head of 3.7 m above the ground. The regulating vane was placed on 260 and 400 mm above the PAT. It showed that the power increased 7% when the guide vane placed 400 mm above the pump shaft with a 45° of vane opening.
Design of Refrigerant Leak Detector on Arduino Uno – Based Refrigeration System Sobri Sobri; M. Subroto Aliredjo; Yusuf Aditya Nugraha; Istianto Budhi Rahardja
Journal of Applied Sciences and Advanced Technology Vol 3, No 1 (2020): Journal of Applied Sciences and Advanced Technology
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jasat.3.1.9-16

Abstract

Refrigeration loos has big impact on inefficient system operation, increase power consumption, higher maintenance cost and moreover contribute to global warming. The purpose of this study is designing refrigerant leak detection device, making a refrigerant leak detector, and testing the refrigerant leak detector in a refrigeration system. Research was conducted for six months, starting in November 2018 until Mei 2019 at the ice block factory owned by KUD. Usaha Mina, Semarang City. The stages of method used in this study include studying of literature, designing device, making device, and testing refrigerant leak detection device. As for the research result are as follows 1) The design of the refrigerant leak detector is made using CorelDraw Grapichs Suite X7 very easily according to the input and output to get desired function 2) In assembling components using jumper cable, it must be in accordance with the input that is in the program so that it does not cause a short circuit to component. Sensitivity level of this refrigerant leak detection device is very high, depending on how in programing the desire level of sensitivity and other factors such as NH3, NOx, Alcohol, Benzene, Smoke, CO2, and other gases. Because the gases will affect the level of sensitivity of device. 4) The testing of a refrigereant leak detector must be close to the source of leakage which serves to accelerate the device to detect leakage 5) The voltage needed by this tool is between 5 – 20V (DC).

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