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Andi Firdaus Sudarma
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andi.firdaus@mercubuana.ac.id
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ijimeam@mercubuana.ac.id
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Universitas Mercu Buana Program Studi S2 Teknik Mesin Jl. Meruya Selatan No. 01, Kembangan, Jakarta Barat 11650, Indonesia
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INDONESIA
International Journal of Innovation in Mechanical Engineering and Advanced Materials
Published by Universitas Mercu Buana
ISSN : 2477541X     EISSN : 24775428     DOI : https://dx.doi.org/10.22441/ijimeam
Core Subject : Science, Engineering,
Automotive Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering
The journal publishes research manuscripts dealing with problems of modern technology (power and process engineering, structural and machine design, production engineering mechanism and materials, etc.). It considers activities such as design, construction, operation, environmental protection, etc. in the field of mechanical engineering and other related branches. In addition, the journal also publishes papers in advanced materials related with advanced electronic materials, advanced energy materials, advanced engineering materials, advanced functional materials, advanced materials interfaces, and advanced optical materials.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 6 Documents
 1 
Search results for , issue "Vol 3, No 2 (2021)" : 6 Documents clear
STUDY ON PARAMETERS IN COUNTER CURRENT DOUBLE PIPE HEAT EXCHANGER APPLYING CIRCULAR TURBULATOR Sudiono Sudiono; Rita Sundari; Rini Anggraini
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 3, No 2 (2021)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.031 KB) | DOI: 10.22441/ijimeam.v3i2.11876

Abstract

Many industries dealing with manufacturing and HVAC (heating, ventilation, and air cooling) are rely heavily on thermodynamics principles with respect to heat and mass transfer. The objective of this study is to do optimization to yield optimum heat transfer rate and minimized pressure drop with regard to number of circular turbulator (CT) and water debit on Nusselt number (Nu) in counter current double pipe heat exchanger. This work has applied the classical rule of thermal science dealing with Nusselt number in relation to convection and conduction of heat transfer rate due to temperature effect. The result shows the highest Nu found to be 835.3 at 5 CT and water debit of 9 L/min. The addition of CT number gives effect on fluid current due to vortex generation. This study also investigates the effect of CT number on friction coefficient that the friction coefficient of a heat exchanger in the absence of CT is lower than that in the presence of CT. For any CT number, the friction coefficient is reduced with increasing water debit. The study has also found that the thermal performance ratio has achieved higher values for heat exchanger in the absence of CT.
EFFECT OF DISCHARGE VARIATION ON THE PERFORMANCE OF SINGLE BLADE ARCHIMEDES SCREW TURBINE: PREDICTION WITH COMPUTATIONAL FLUID DYNAMIC Gunawan Rudi Cahyono; Apip Amrullah; Pathur Razi Ansyah; N. Alexius Mikael; P.S.M. Reynaldi; Rusdi Rusdi
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 3, No 2 (2021)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (455.518 KB) | DOI: 10.22441/ijimeam.v3i2.12459

Abstract

Constructing a small-scale hydroelectric power station that can run efficiently at a head lower than 10 m is one possible method for reducing the impact of the electricity crisis in remote areas of Indonesia. The Archimedes Screw turbine is one type of turbine that is ideal for discharges below 10 m. In this study, the simulation results show that the value of Turbulences Kinetic Energy is directly proportional to the increase in flow rate but inversely proportional to the level of immersion. This type of turbine is unless well in Indonesia due to a lack of information regarding the application of low head power plants. The turbine model that is suitable for the low head is investigated in this study. Before being tested, the turbine is first designed theoretically and then numerically evaluated. With discharges of 1 l/s, 2 l/s, and 3 l/s and turbine immersion levels of 30%, 50%, and 70%, ANSYS CFD (Computational Fluid Dynamic) software was used to investigate flow rate and level of immersion in the turbine. According to the investigation findings, the discharge has a considerable impact on the turbine's movement; the higher the flow rate, the higher the power to the turbine, which produces a torque on the turbine. The simulation findings indicate that the value of Turbulence Kinetic Energy is proportional to the increase in flow rate but inversely proportional to the level of immersion.
CFD SIMULATION OF PRESSURIZATION SYSTEM IN FIRE STAIRS WTC 6 BUILDING Salahudin Arif; Rita Sundari; Rini Anggraini
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 3, No 2 (2021)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1048 KB) | DOI: 10.22441/ijimeam.v3i2.11776

Abstract

Pressurization system in fire stairs is required for high-rise building for safety evacuation in fire attack. This paper has highlighted on the problem of WTC 6 high-rise building with 18 floors related to safety evacuation in fire attack. In real situation, the minimum air pressure (12.5 Pa) at closed condition and minimum air velocity (1 m/s) at open door chamber in fire stairs as stated in the SNI 03-6571-2001 requirements are not fulfilled by the WTC 6 high-rise building. Therefore, a CFD (Computational Fluid Dynamics) simulation has been used to overcome the problems. The CFD results show that volumetric air flow rate of 7.24 m3/s injected to fire stairs in multiple injection system yielded pressure difference of 39.5–44.7 Pa and air velocity of 1.1–1.2 m/s. The CFD simulation implemented in real situation yields air pressure difference of 38.2 Pa in closed condition and air velocity in open door chamber of 1.16 m/s assumed to solve the problem.
Message from Chief Editor Ignatius Agung Wibowo
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 3, No 2 (2021)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (8.519 KB)

Abstract

LEAKAGE DETECTION ON THE GALVANIZED IRON PIPELINE USING EMPIRICAL MODE DECOMPOSITION AND HILBERT-HUANG TRANSFORM M F Ghazali; Gigih Priyandoko
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 3, No 2 (2021)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (892.125 KB) | DOI: 10.22441/ijimeam.v3i2.11829

Abstract

Pipeline networks are one of the most important transportation for gas, oil and water. Leakage in pipelines results in extensive financial loss. To avoid this situation, an algorithm based on the Empirical Mode Decomposition method (EMD) and Hilbert-Huang Transform (HHT) is presented in the research. The objectives of this research to detect pipelines leakage by using EMD method and to locate the location of the leak by using HHT method. The research focuses on the Galvanized Iron (GI) pipe and which the acoustic signal measured by the microphone which act as a sensor is collected by using DASYLab software at frequency of 100 Hz and 500 Hz. It is shown that GI pipe and frequency of 500 Hz produce more accurate results based on the analysis process.
FLOW FIELD PLATE DESIGN ANALYSIS WITH CROSS-SECTION WAVE RECTANGULAR SERPENTINE USING 3D FLOW SIMULATION ON PROTON EXCHANGE MEMBRANE FUEL CELL Teguh Imam Prasetya; Deni Shidqi Khaerudini
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 3, No 2 (2021)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (550.178 KB) | DOI: 10.22441/ijimeam.v3i2.11623

Abstract

The availability of petroleum which continues to decrease and the level of public consumption which is always increasing are serious problems today. Renewable energy needs to be researched on an ongoing basis to anticipate the availability problems above. Proton Exchange Membrane Fuel Cell (PEMFC) is an environmentally friendly source of electrical energy because it only requires hydrogen and oxygen as raw materials and water as a result of the reaction. This study will discuss the PEMFC flow field plate because this component dominates the weight and cost of manufacture. Research on flow field plate PEMFC with wave rectangular cross-section is necessary to develop the PEMFC concept with better performance results. This study aims to determine the effect of the wavy cross-section shape on the distribution of channel average speed, channel outlet speed, inlet pressure, channel average pressure, and channel outlet pressure. This study uses a computational fluid dynamic (CFD) method using SolidWorks flow simulation software. This study provides an overview of the serpentine type of flow field plate with a wave rectangular and rectangular cross-section. The wave rectangular cross-section has a higher average velocity, outlet velocity, inlet pressure, and pressure than the rectangular cross-section. This is what will make PEMFC performance higher. The wave rectangular cross-section has nearly the same number of outlet pressures as the rectangular cross-section. Possible development of this research is the creation of simulation software to calculate other parameters that affect PEMFC performance.

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