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Artikel Jurnal
EFFECT VARIATION OF TEMPERATURE AND STIRRING SPEED ON THE BENDING TEST OF FIBERGLASS FIBER COMPOSITE MATERIALS USING THE VACUUM ASSISTED RESIN INFUSION (VARI) METHOD
This study aims to investigate the effect of temperature with constant agitation at 164 rpm on the fabrication of composite materials using the Vacuum Assisted Resin Infusion (VARI) method. In this research, composite materials were made with a polyester resin matrix reinforced with fiberglass. The…
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Artikel Jurnal
PENGARUH PARAFFIN WAX SEBAGAI LAPISAN TANKI PADA AIR CONDITIONER WATER HEATER (ACWH)
Currently air conditioner (AC) has been widely developed, one of which is the development of functions into two functions, namely air conditioning and providing hot water for bathing needs. The method is to utilize the high temperature and pressure of the front coming from the compressor, which is…
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Artikel Jurnal
PERANCANGAN PROTOTYPE MEKANISME GERAKAN JARI JEMPOL UNTUK ROBOT TERAPI STROK
Stroke is a functional disorder of the nervous system due to obstruction of blood flow to the brain. Rehabilitation is an effort to restore the function of the nervous system to a better condition than its current condition. Rehabilitation is carried out routinely by therapists with continuous…
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Artikel Jurnal
ANALISIS PENERAPAN COATING PADA BAJA ASTM A36 DENGAN VARIASI CAT TERHADAP LAJU KOROSI, KEKUATAN ADHESI DAN KETAHANAN IMPACT COATING
Corrosion is the most common damage experienced by steel structures due to the interaction between a metal and a corrosive environment. One way to prevent corrosion of steel is coating. A good coating must have a low corrosion rate, high adhesion, and material resistance to impact. This study aimed…
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Artikel Jurnal
METODE PENINGKATAN KETAHANAN RETAK RESIN POLYESTER DENGAN PENAMBAHAN PROSENTASE VINYL ESTER
In previous studies, hybrid crash boxes have been developed because it show better energy absorption characteristics. Circular hybrid crash box combine the advantages of low-density of composite with stable deformation of metal provide a potential energy absorption device. Tests were carried out…
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Artikel Jurnal
ANALISIS PERFORMA RDF DENGAN PEREKAT LIMBAH ORGANIK UNTUK MEMENUHI STANDAR MUTU INDUSTRI
This study aims to obtain RDF adhesives made from organic waste and to determine the effect of adhesives on RDF performance. The method used in this research is the experimental method. The data analysis technique used is descriptive quantitative. The various types of adhesives used are waste…
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Artikel Jurnal
GREENHOUSE SYSTEM WITH FORCED AIR FLOW FOR PRE-DISTILLED KAFFIR (CITRUS HYSTRIX) LEAF TREATMENT
The greenhouse effect, which is a global issue, can provide benefits in the agricultural sector, especially in the processing of essential oils, which require drying raw materials before being purified. This is necessary to increase process efficiency, one of which is processing kaffir lime leaves…
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Artikel Jurnal
MESH CONVERGENCE TEST BY USING FINITE ELEMENT ANALYSIS (FEA) IN SHAFT LOADING OF 2 KW INDUCTION MOTOR
Finite Element Analysis (FEA) is a calculation tool to find out a determined solution for a complex structure subjected to some certain static load. To obtain the most valid solution from this analysis, one of the parameters needed is mesh convergence test. This paper discusses the mesh convergence…
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Artikel Jurnal
ANALYSIS OF WORK ACCIDENTS DURING THE PLUMBING INSTALLATION PROCESS USING THE FAULT TREE ANALYSIS METHOD
The plumbing installation process often harbors potential risks that can lead to workplace accidents. Considering the serious consequences of workplace accidents both in terms of health and economy, there are six types of workplace accidents in the plumbing installation process: foot crushed by a…
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Artikel Jurnal
UJI KARAKTERISTIK BAHAN BAKAR ALTERNATIF HASIL PENGOLAHAN LIMBAH SAMPAH PLASTIK DENGAN METODE PIROLISASI BERTINGKAT
This study aims to determine the characteristics and quantity of oil produced from first and second level pyrolysis. The method in this research is an experiment with a pyrolysis tool designed in two levels. The advantage of this pyrolysis tool compared to other pyrolysis tools is that it is…
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Artikel Jurnal
PENINGKATAN EFISIENSI DAN STABILITAS DYE SENSITIZED SOLAR CELL (DSSC) ORGANIK DENGAN ELEKTROLIT POLYETHYLENE GLYCOL
This research will discuss the use of PEG with variations in molecular weight on the stability and efficiency of DSSC. Variations in the molecular weight of PEG used were 4000, 6000 and 10000 which were added to electrolytes containing iodine and potassium iodide using ethanol Pro Analyst as a…
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Artikel Jurnal
FABRIKASI DAN PENGUJIAN TELAPAK KAKI PALSU JENIS SINGLE AXIS
Along with the increasing number of persons with disabilities, the need for prosthetic foot has also increased. However, the irony is that some of the products circulating in Indonesia are still imported from abroad, while the domestic product is quite limited and possesses some drawbacks. This…
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Artikel Jurnal
EFFECT OF ANNEALING ON THE MECHANICAL PROPERTIES OF FUSED DEPOSITION MODELING 3D PRINTED PLA
Additive manufacturing or 3D printing is a rapidly moving fabrication technology with many usages in various fields. One of the methods used in 3D printing is Fused Deposition Modeling (FDM), where polylactic acid (PLA) filament is melted and deposited layer by layer to form the desired parts. This…
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Artikel Jurnal
DESAIN AWAL RUANG BAKAR PREMIXED UNTUK TURBIN GAS ULTRA MIKRO (TGUM) DENGAN MENGGUNAKAN PENDEKATAN TEMPERATUR ADIABATIK
The need to develop ultra-micro gas turbine (TGUM) applications is getting higher, especially as a portable energy source. Many applications whose energy requirements cannot be met by current batteries but can be handled by TGUM. The energy density of kerosene is 45 times greater than that of…
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Artikel Jurnal
THERMAL EFFICIENCY ANALYSIS OF COMBUSTION TURBINE GENERATOR (821-G-101) PT TRANS PACIFIC PETROCHEMICAL INDOTAMA AFTER MAJOR INSPECTION
The gas turbine is one of the most widely used equipment in oil and gas industries as an electric generator driving system. To maintain the reliability and performance of the gas turbine, a major inspection program is required. Thermal efficiency analysis is the parameters of success in major…
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Artikel Jurnal
EXPERIMENTAL STUDY OF COOLING FLUID VARIATION ON THE THERMOELECTRIC HOT SIDE ON THERMOELECTRIC VACCINE COOLER BOX PERFORMANCE
The advanced countries make health a high priority and collaborate to create a better quality of life. Vaccination is a critical component of global health. Vaccines must be stored at a constant temperature of 2-8℃, to maintain the viability of the vaccine cold chain. Thermoelectric cooling systems…
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Artikel Jurnal
TECHNO ECONOMIC ANALYSIS OF BIOMASS AS AN ALTERNATIVE ENERGY HOUSEHOLDS AND SMALL INDUSTRIES
Briquetting technology became one appropriate method that can be used to convert biomass waste into a renewable energy source. Sources of biomass raw materials that have promising potential are pine sawdust and coconut shell waste. Sawdust has potential for about 0.78 million m3/year and coconut…
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Artikel Jurnal
EFFECT OF DRILLING PARAMETERS ON THRUST FORCE AND DELAMINATION DAMAGE OF DRILLED RAMIE WOVEN – COIR FIBER HYBRID COMPOSITES
This study examines the effect of spindle speed and feed rate variations on the delamination mechanism and thrust force of hybrid composite materials reinforced with ramie weave and coir fibers. The specimen was made with a volume fraction of 30%, consisting of 6 layers of woven ramie, with the…
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Artikel Jurnal
FAILURE MODES AND EFFECTS ANALYSIS (FMEA) ON TRACK INFRASTRUCTURE INTEGRITY ASSESSMENT
Track infrastructure plays an important role in the railway business, where the safety of rail travel is determined by the integrity that exists in each component of the railway track. In this paper, an integrity assessment of track infrastructure is carried out using the Failure Modes and Effects…
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Artikel Jurnal
GAYA ANGKAT DAN GAYA HAMBAT SAYAP PUNA MODEL NACA 0015 MENGGUNAKAN SIMULASI ANSYS FLUENT
The hi-speed computational using simulation software has emerged for the calculation of force dynamic. Albeit the significant progress in the computational method, the aerodynamic of flying wing are somewhat elusive. Herein, we performed a detailed computation of the lift and drag behaviors of…