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I Nugraha
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Design of The Pyrolysis Furnace for The Alternative Energy TP Sari; FA Nurmansyah; YC Winursito; I Nugraha
BIOMEJ Vol. 3 No. 1 (2023): BIOMEJ
Publisher : UPN 'Veteran" Jawa Timur

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The pyrolysis furnace material needs to be considered because this component affects the performance of the pyrolysis process. This component material is also essential; the selection of components used is AISI 4340 Normalized Steel, where this material contains Nickel, Chrom, and Molybdenum, with the characteristics of the AISI 4340 Normalized Steel material, which is a steel material that has high hardness properties, can accept significant pressures and forces and is not easily deformed. The method used is Finite Element Analysis (FEA); this method uses a mesh size of 5 mm to get more accurate results. Simulation results of the AISI 4340 Steel Normalized rear axle shaft to determine the values of stress, strain, displacement, and safety factor from temperature variations of 150 °C, 175 °C, 200 °C and 225 °C. The highest maximum stress value occurs at a temperature of 225 °C of 7.339 x 108 Nm. The highest maximum strain value occurs at a temperature of 225 °C of 1.892 x 10 3. The highest displacement value occurs at a temperature of 225 °C of 4.891 x 10 1. The safest safety factor value to use is 1.547 at a temperature of 150 °C. The temperature value is directly proportional to the stress and strain values obtained because the more significant the given temperature value, the greater the stress and strain values.
Shipping Cost Optimization Using Least Cost and Stepping Stone Method at The Xender Brand Sandal Factory I Nugraha; YC Winursito; T P Sari
BIOMEJ Vol. 3 No. 1 (2023): BIOMEJ
Publisher : UPN 'Veteran" Jawa Timur

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. The optimization model is one of the system analysis models identified with operation research. The transportation model determines the lowest cost for sending one item from several sources to several destinations as a collection of interconnected elements forming a single unit to integrate data, process, and store. Goods delivery transportation services are the use of software to provide services in the form of delivery of goods that are interrelated and structured to achieve a specific goal. The working principle of the Least cost method is to prioritize allocations with the most negligible unit cost (most minor cost per unit). This research was carried out using the Least Cost method so that companies can determine the optimal cost of shipping goods.
Co-Authors FA Nurmansyah T P Sari TP Sari YC Winursito