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All Journal ComTech: Computer, Mathematics and Engineering Applications Piston: Journal of Technical Engineering
Subekti, Mohammad
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Aerospace Engineering Computer Science & IT Control & Systems Engineering Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering

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Analisis dan Perancangan Sistem Informasi Eksekutif Pemasaran pada Distributor Alat Tulis Kantor: Studi Kasus pada Benza Prima Subekti, Mohammad; Widjaya, Raden Bagus Rhesa Dharma; Heriyanni, Eileen; Dewi, Giovani
ComTech: Computer, Mathematics and Engineering Applications Vol 2, No 2 (2011): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v2i2.2847

Abstract

Executive information system (EIS) has been widely used in enterprises and institutions to help the executives make decisions quickly and accurately for the organization's business needs. A research is conducted to create a marketing executive information system that can produce analytic reports and comparison reports for the executive of Benza Prima. For information search the fact finding techniques is utilized by conducting surveys directly to the company to study the company needs and the running procedures. The executive information system design uses Object Oriented Analysis and Design (OOAD) methodology. The research results in an executive information system that produces report in forms of pivot tables and charts to help the Benza Prima executives make decisions. The marketing executive information system design is expected to provide analytic information that can be used by the Benza Prima executive as an analytic tool in planning marketing strategies. 
Design of Helical Type Steam Generator for Experimental Power Reactor – Helium Side Putri, Sunny Ineza; Subekti, Mohammad; Martin, Awaludin; P, Brian Agung Cahyo; Hermanto, Jheri; Siregar, Ansor Salim
Piston: Journal of Technical Engineering Vol. 9 No. 1 (2025)
Publisher : Program Studi Teknik Mesin Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v9i1.51645

Abstract

Previous research has not analyzed the helium temperature distribution in the RDE steam generator shell. This study aims to fill that gap by analyzing these thermal characteristics with empirical calculations and Ansys Fluent simulations. The validity of the RDE steam generator design is reaffirmed, having been successfully analyzed from both the water-flow perspective in previous research and the helium-side perspective in the present study. The analytical methods used herein showed strong consistency, with empirical and numerical simulation results differing by less than 10% across all parameters. Although the calculated shell height of 5.73 m exceeds the RDE design's 4.97 m, the overall design's validity is confirmed.
Co-Authors Awaludin Martin Dewi, Giovani Heriyanni, Eileen Jheri Hermanto P, Brian Agung Cahyo Siregar, Ansor Salim Sunny Ineza Putri Widjaya, Raden Bagus Rhesa Dharma