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INDONESIA
Indonesian Journal of Engineering and Science (IJES)
Published by Asosiasi Peneliti Sriwijaya (APS)
ISSN : -     EISSN : 2774373X     DOI : 10.51630
Core Subject : Science, Engineering,
Energy Engineering Materials Science & Nanotechnology Mechanical Engineering
Indonesian Journal of Engineering and Science (IJES : ISSN 2274-373X) is a peer-reviewed journal that aims at the publication and dissemination of original research articles on the latest developments in all fields of engineering science and technology. The journal publishes original papers in English, which contribute to the understanding of engineering science and improvement of the engineering technology and education. Papers may be theoretical, experimental and paper review. The contribution should be unpublished before and not under consideration for publication elsewhere.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 7 Documents
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Search results for , issue "Vol. 3 No. 2 (2022): Table of Content" : 7 Documents clear
CONSTRUCTION TECHNOLOGY OF OPEN GRANITE STONE CURTAIN WALL Wang Xiaoyan; Lai PC; Yu Yabin
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 2 (2022): Table of Content
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (309.159 KB) | DOI: 10.51630/ijes.v3i2.36

Abstract

This paper developed the self-locking back bolt fastener and the open stone curtain wall with waterproof function aimed for installation accuracy, connection structure stability, waterproof leakage, and earthquake resistance in constructing open granite stone curtain walls. The practice shows that applying this construction technology improves the stability and seismic performance of the curtain wall connection structure while also ensuring the stone curtain wall's waterproof and decorative properties.
FIGHTER PLANE ONLINE GAME BASED ON DESIGN SCIENCE RESEARCH METHODOLOGY USING SOCKET.IO AND NODEJS I Putu Agus Eka Pratama; I Wayan Gus Arisna
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 2 (2022): Table of Content
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (460.192 KB) | DOI: 10.51630/ijes.v3i2.38

Abstract

Computer networks are growing rapidly from time to time, making the internet, websites, web programming languages, and socket programming increasingly used in the provision of information technology-based applications and services. One of them is the availability of web-based online game multiplayer applications involving several players. This paper presents the research results in the form of designing and implementing an online game based on socket programming fighter aircraft on a computer network with a client-server paradigm. This research uses DSRM (Design Science Research Methodology) with seven sequential steps. Game applications are designed using Use Case Diagrams and implemented using JavaScript, Socket.io, and NodeJS. Application testing uses Black Box Testing and User Acceptance Testing (UAT). The results of Black Box Testing show that all features and menus in the game application can run well. In contrast, the results of the UAT with a total of 100 respondents indicate that 60% of respondents said the game was very easy to use, 30% said it was easy to use, and 10% said it was difficult to use.
LOW-CYCLE FATIGUE OF COLD-DRAWN TYPE 304 AUSTENITIC STAINLESS STEEL IN ANNEALING CONDITIONS Ambar Pambudi; Mohammad Badaruddin; Sugiyanto Sugiyanto
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 2 (2022): Table of Content
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (598.588 KB) | DOI: 10.51630/ijes.v3i2.39

Abstract

Type 304 austenitic stainless steel, or better known as SS304, generally has alloying elements: C < 0.1%, Cr 18 – 20%, Fe 66 – 74%, Mn <2%, Ni 8 – 10.5%, P <0.045%, Si <1%, and S <0.030%. In general, this material has good ductility, high tensile strength, and excellent corrosion resistance. In application, type SS304 will be subjected to repeated loading, and eventually, the material will undergo plastic deformation, which leads to structural failure in a short life. The failure of SS304 is generally due to the inability of the material to repeat loading, which results in large amounts of plastic deformation so that the SS304 will experience fatigue and then fracture. Based on the description above, this study aims to evaluate the LCF properties of 304 CDS stainless steel with annealing heat treatment. The parameter used was the strain amplitude 0.003 – 0.013 mm/mm. The results of this study revealed that the highest fatigue life in the LCF test was experienced by steel with heat treatment at an amplitude of 0.003 mm/mm with 48367 cycles. In contrast, at the amplitude condition of 0.013 mm/mm, the fatigue life of the steel decreased drastically with the resulting plastic strain being larger, namely 0.0094 mm/mm and elastic strain of 0.0035 mm/mm, with an average modulus of elasticity of 194 GPa. Annealing treatment conditions experienced decreased mechanical strength but tended to be ductile. Using Basquin-Coffin-Manson Equation, empirical equations to predict LCF of 304 stainless steels can be determined.
EXPERIMENTAL STUDY OF THE CONVECTIVE HEAT TRANSFER FROM TUBES WITH VARIOUS CROSS-SECTION Muhammad Chrissandy Fahzy; Yonas Paskah Pardede; Danel Reka Yesa; Mohd Raden Bahi; Kaprawi Sahim
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 2 (2022): Table of Content
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (411.755 KB) | DOI: 10.51630/ijes.v3i2.49

Abstract

In heat transfer engineering, most of the tubes of the circular cross-section are used in the heat exchanger application, but the possibilities of using tubes other than circular type are available to enhance the rate of heat transfer. This experimental study presents the heat transfer rate performance of the tubes' difference cross-section; circular, elliptic, square, and triangle tubes. The tubes were heated at uniform heat flux at the outside surface, and the water flowed inside the tubes. The important parameters were measured during the experimentation. The results show that the heat transfer varies with the cross-section type. The triangle and elliptical tube give a higher heat transfer rate than other cross-sections.
THE INFLUENCE OF AUTOMATIC FLAP GATE ON EROSION IN TIDAL SWAMP AREA Achmad Syarifudin
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 2 (2022): Table of Content
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.665 KB) | DOI: 10.51630/ijes.v3i2.50

Abstract

This research aims to examine the problem of erosion and sedimentation in canals in swampy areas in South Sumatra, namely the P8-13S scheme of the canal (SPD) Telang I, Banyuasin regency with the influence of flap gate. The research method used is to perform simulations in the laboratory using a scale model and related parameters, such as velocity (v), depth of erosion (de), sedimentation (ds), water density (ρw), gravitation (g), time (t) and distance (x). Dimensional analysis to determine the related parameters that produce a dimensionless parameter relationship model is carried out using the Langhaar method. The result of the study was that the maximum relative erosion (de/t)max occurred at the canals estuary near the flap gate, which was 0.255 during simulation times of 5 minutes. While the maximum relative sedimentation (dd/t)max also occurred at the estuary of the secondary canals (SPD) of 0.05 for 5 minutes. So, the sediment transport process in the secondary canal (SPD) is generally influenced by flow velocity and the presence of a flap gate in the canal to regulate sediment transport.
DETERMINATION OF FLOOD DISCHARGE OF MOYAN WEIR WITH HEC-RAS PROGRAM Achmad Syarifudin
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 2 (2022): Table of Content
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (639.383 KB) | DOI: 10.51630/ijes.v3i2.52

Abstract

This research was conducted to obtain the right discharge plan in the irrigation area with a study of the amount of discharge that can be used upstream of the weir so that the water supply at the intake does not lack water. The Deras II Irrigation Area covering an area of 928 hectares, has 2 weirs as a source of irrigation water, namely the Moyan weir and Aur Weir. The upstream part of the Moyan weir is a sleeping area in the form of a swamp which farmers use to become a paddy field whose source of water comes from the swift river (upstream Moyan weir). With this water uptake, the impact on the flow of water entering the Moyan intake will be reduced, so it needs to be done with the numerical method approach of the HEC-RAS program. The results of this study are graphically depicted at each review station in the channel and the existing discharge obtained from the measurement of the speed with the current meter and water level from each cross-section along the irrigation channel. The simulation results are obtained with the condition of the river crossing, which is not filled, and the discharge is 0.024 m3/sec. The water level at the downstream cross-section is filled as high as 75 cm with a flow velocity of 0.783 m/sec, and the water level downstream of the irrigation channel is as high as 40 cm.
ENERGY ACTIVATION OF DECOMPOSITION OF CASTINGS OF PURE ALUMINUM-STANNUM ALLOY Aldika Aldika; Nukman Nukman
Indonesian Journal of Engineering and Science (IJES) Vol. 3 No. 2 (2022): Table of Content
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v3i2.60

Abstract

Thermogravimetry analyser is a tool to perform thermal analysis where the mass of the test material will be inversely or directly proportional to the increasing temperature rate and a function of time (constantly increasing temperature). The results of the TGA test are a comparison of mass to times, mass to DTA, and the ln k to 1/t; all relations to determine the oxidation point and activation energy required for each sample can be known. The samples used were 4: pure aluminium, pure aluminium mixed with 2% Sn, pure aluminium mixed with 6% Sn, and pure aluminium mixed with 10% Sn. The activation energy required for each sample is as follows, pure Aluminium of 64.24 kJ/mol, pure Aluminium mixed with 2% Sn of 58.70 kJ/mol, pure aluminium combined with 6% Sn of 16.63 kJ/mol and Aluminium pure mixed with 10% Sn at 47.68 kJ/mol.

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