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JOURNAL OF SCIENCE AND APPLIED ENGINEERING
Published by Universitas Widyagama
ISSN : 26213753     EISSN : 26213745     DOI : -
Core Subject : Science, Education, Social, Engineering,
Aerospace Engineering Computer Science & IT Electrical & Electronics Engineering Engineering Social Sciences Other
ournal of Science and Applied Engineering (JSAE) is an open access peer-review journal, and is aimed to disseminate original research in all fields of Electrical Engineering, Mechanical Engineering, Civil Engineering, Industrial Engineering and Informatics Engineering and presents the latest development and achievements in scientific research in Indonesia and overseas to the world’s community. Only original, innovative and novel papers will be considered for publication in the JSAE. The authors are required to confirm that their paper has not been submitted to any other journal in English or any other language. The JSAE welcome contributions from all who wishes to report on new developments and latest findings in science and applied engineering.
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Articles 6 Documents
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Search results for , issue "Vol 4, No 1 (2021): JSAE" : 6 Documents clear
Mechanical Properties of Polyester Matrix Composites with Carbon Hybrid Reinforcement and Woven Wire Gerald Adityo Pohan
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 4, No 1 (2021): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v4i1.2281

Abstract

This study is aimed to determine the mechanical properties of composite materials using hybrid reinforcing materials, namely carbon fiber and woven wire. The variations in the composition of the matrix / carbon fiber / woven wire (in%) used were 70/0/30, 70/30/0, 70,20 / 10, 50/30/20. The mechanical tests performed were the tensile test (ASTM D 638-03) and the impact test (ASTM D 6110). The results show that the composites with the composition 50/30/20 have the highest tensile and impact strength. Specimens with the highest carbon fiber content have better tensile strength.
Industrial Waste Treatment Management: A Review Elkana Timotius; Galuh Sukmarani
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 4, No 1 (2021): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v4i1.2400

Abstract

Industrial development is hand-to-hand with economic growth. It has a positive impact on many economic sectors and human living, but also produces hazardous waste which giving a negative impact on the environment and human health. Industrial wastes have a high contribution to climate changes, many human diseases, a mutation on animals and plants. Recently, there are many methods to overcome industrial waste include physical, chemical, and biological treatment. Moreover, waste management also is developed to optimize the treatment using 3R (Reduce, Reuse, and Recycle) and WTE (Waste to Energy). Therefore, this paper tried to discuss many technologies for industrial waste treatment and management includes recent research, benefit, and drawback.
Leak Detection in Medium Density Polyethylene Pipeline using Ensemble Empirical Mode Decomposition Method Gigih Priyandoko
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 4, No 1 (2021): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v4i1.2396

Abstract

A water resource is an important element in the contemporary society life.  In global world water loss or water leaking can vary between 10% to 40% of total water volume produced.  A traditional method such as visual inspection can be operates but that method required a long time. The objectives of the research to identify the occurrence of leaks and know its exact location in the pipeline by using specific method which are acoustic leak detection method and transient method. An EEMD method will be applied as the analysis method to collect and analyses the data. Based on the experimental results that the EEMD analysis predict satisfactorily the location in MDPE pipeline as it can detect and locate the leak up to error of 4.09% and 0.61%. The EEMD method had the best perform and already produce an acceptable result.
Design of Portable Automatic Weather Station Based on Raspberry PI Larangga Herdianzenda; Diky Siswanto; Istiadi Istiadi
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 4, No 1 (2021): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v4i1.3048

Abstract

Observation of the weather elements is very necessary for the welfare of mankind, the weather elements that are observed will be used as material to predict the weather in the future. Weather data can also be used to reduce the risk of adverse effects caused by the weather itself. To measure the weather with an automated monitoring system that is cheaper and of good quality, AWS was created. The AWS design using Raspberry Pi was made as a use of Raspberry Pi mini computer technology for the purposes of the Meteorology, Climatology and Geophysics Agency (BMKG). humidity, Rain Counter, wind direction, wind speed, air pressure, altitude, and GPS. Display data can be monitored via the web in the form of an Analog Gauge.
Technical Analysis Of Road Functional Feasibility Traffic Management And Engineering In The Roads Bts. Palimanan City - Bts. Cirebon City Santoso, Rochmad Bagus; Suraji, Aji; Aditya, Candra
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 4, No 1 (2021): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v4i1.3049

Abstract

city of Cirebon with Cirebon Regency (Palimanan) which plays an important role in the business of goods and services distribution services. This Road Function Worthiness Test aims to determine the feasibility of the road function on Bts roads. Palimanan City - Bts. Cirebon City, to find out the causes of malfunctioning based on traffic management and engineering on the road sections under study, and to propose follow-up actions if these roads do not meet the functional category. Test analysis function of road based on traffic management and engineering is performed by measuring deviation conditions in the field against a standard and the needs of the technical .But , in the preparation of this writer researching a thesis only 3 ( three ) of 7 seven the technical aspects of pertaining to management and traffic engineering. The technical aspects of third include: ( 1 ) technical the implementation of traffic management and engineering , ( 2 ) the way of technical equipment that are directly connected to road users , and ( 3 ) technical equipment a way that is not directly related to road users. The methodology that was used is by comparing technical standart on the condition in field with its reference to appendix ii minister for public works number 11 / prt / m / 2010 on procedures and requirements worthy function of road. The function of road shows that the worthy of its roads .City palimanan- towers. Cirebon city category in function to conditional ( ls ) means roads worthy to be operated but must be equipped with recommended have technical improvements. The cause of the non-functioning of the roads on the Bts road. Palimanan City - Bts. Cirebon City which is related to the technical implementation of traffic management and engineering, namely the components of markers, signs, sidewalks and crossings due to the absence of such equipment on roads. Cause not function roads related to technical equipment for the directly related to road users at components, markings , sign , sidewalks and apill because he does not meet the technical standard. The technical aspects of equipment in a way that is not directly related to road users because the conditions on the ground and the track the tent pin rumija safety not in accordance with technical standart
Effect of Hydrogen (g) Mixture with Refrigerant on the Pressure of Cooling Machine Components Djoko Hari Praswanto; S Djiwo; M. Asroni; A. Nugroho
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 4, No 1 (2021): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v4i1.3497

Abstract

Refrigerant is substance or chemical composition which alternately compressed and condensed into a liquid and then expanded into vapor or gas when pumped through the cooling system. Alternative refrigerants are needed to replace full the halogenated refrigerants which are believed to contribute to ozone depletion in the atmosphere. In the last decade, many research and development of studies on the synthesis and characterization alternative refrigerants have been carried out. With replace a limited Ozone Depleting Substance (ODS) with any alternative can involve major changes in the design of various components such as insulation, lubricants, heat exchangers and motors. The purpose of this research is to determine the effect of hydrogen mixture with refrigerant R134a on the pressure of each component. This research used an experimental method on a direct cooling device. The data which obtained from the experimental results on this cooling machine then will process to determine the pressure that occurs in each component of the cooling machine. Based on the results of this research, the effect of the hydrogen mixture on refrigerant R134a on the performance of the cooling machine is the differences density of each mixture ratio. If more of hydrogen additions there, the density of result mixture also getting smaller. This will affect the pressure that occurs in the compressor because the relationship between density and pressure is directly proportional. The conclusion is the refrigerant from a mixture of hydrogen gas and Freon R134a is suitable for use as a refrigerant for air condition. Because at 60 minutes, the mixture ratio of 85%:15% can reduce the water temperature slowly until 20.2ºC. The slow cooling is felt bad when applied on the food preservation. 

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