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All Journal Bina Teknika ABDI MOESTOPO: Jurnal Pengabdian pada Masyarakat International Journal of Innovation in Mechanical Engineering and Advanced Materials
Komarudin Komarudin
Universitas Dian Nusantara
Humanities Automotive Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering

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ANALISIS KENAIKAN PLANT HEAT RATE PLTU SEBELUM PERBAIKAN BERKALA TERHADAP KONDISI TESTING KOMISIONING (Studi Kasus : PLTU XX) Komarudin Komarudin; Andrian Saputro; Erfiana Wahyuningsih
Bina Teknika Vol 16, No 1 (2020): Bina Teknika
Publisher : Faculty of Engineering UPN "Veteran" Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54378/bt.v16i1.1740

Abstract

Steam power plant is a power plant which use coal as fuel to heating the water into superheated steam. The standard of efficient or not for a power plant can be seen from the value of plant heat rate. Plant heat rate is amount of energy required to generate one kWh electricity. The smallest of that is the best power plant. In general, the value of plant heat rate has increased than commisioning test after the power plant operated continously. The method used in the calculation of the steam power plant is energy balance method. Energy balance calculation method used by the standard of the American Society of Engineers Mechanichal Performance Test Code (ASME PTC). The value of plant heat rate is influenced by the value of turbine heat rate and boiler efficiency from steam power plant. Turbine heat rate is the required energy turbines obtained from heat transfer process to generate one kWh electricity, while boiler efficiency is an indicator from boiler performance of steam power plant by comparing the outputs and inputs. After calculation of plant heat rate at actual condition, the value of plant heat rate has increased than commisioning. The increrase of plant heat rate value is due to more losses which result degradation performance on the main components of the unis, such as : turbine, boiler, air heater and condenser. Therefore necessary corrective maintenance when first year inspection, so that the steam power plant can be re-optimal performance as at commisioning test.
ANALISIS PERENCANAAN PENGADAAN KOMPONEN REM PESAWAT B737-800 NG BERDASARKAN SATUAN CYCLE DAN FLIGHT HOURS DI PT ABC Komarudin Komarudin; Djoko Suprijatmono Suprijatmono
Bina Teknika Vol 16, No 1 (2020): Bina Teknika
Publisher : Faculty of Engineering UPN "Veteran" Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54378/bt.v16i1.1730

Abstract

As one of the MRO (Maintenance, Repair, Overhaul) company PT ABC had the significant problems in the last 3 years, including concerns regarding the difficulty of determining the amount of material availability and timing of procurement the material appropriate to support maintenance activities. In this case the components studied are two type brake of aircraft the first one is brake assembly and the second one is brake Goodrich which installed on B737-800 aircraft NG. Based on historical data, in last 3 years PT ABC have a number of component shortage that continues to grow, in last year PT ABC had 12 unit shortage component for brake assembly and 13 unit shortage component for brake goodrich. It is gave the negative impact for company and also customer PT ABC. To overcome these problems need to be analyzed how to determine the accuracy the number of brake requests that will removal in future periods which resulting the accuracy of the flight time (dispatch reliability/delay time).The proccess in this reserach first determine the life time of brake, determine the quantity of removal brake, schedule of removal brake, account the forecast of requirement brake in next years and determine the planning of material requirement for maintenance proccess. The forecasting using single exponential smoothing methode to determine forecasting result of brake requirement in 2017. This methode consider the smallest standar error estimate of forecasting demand to get the exact result. Morever MRP (material requirement planning) methode used to determine the procurement components planning (Petition Requirement Planning) with forecasting data from previous year's demand. Based on studies result showed that the quantity of brake assembly and brake Goodrich types that should be available for the removal of as many as 13 units per each type of brake for a period in 2017, while the limit (age component) of brake assembly 38 days and 41 days for brake Goodrich and the estimation schedule of brake removal is the last date installation brake plus the actual age of brake that has determined the schedule of brake assembly in 21st of the months 12 and the 2nd of the month 11 for brake Goodrich and result are showed that MRP decrease the shortage of brake assembly 1 unit and decrease the shortage of brake goodrich 2 unit.
Pemberdayaan SDM Masyarakat di Pulau Tidung dalam Pemahaman Blue Economy Didin Hikmah Perkasa; Islamiah Kamil; Meiliyah Ariani; Komarudin Komarudin; M. Al Faruq Abdullah
ABDI MOESTOPO: Jurnal Pengabdian Pada Masyarakat Vol 7, No 1 (2024): Januari 2024
Publisher : Universitas Prof. Dr. Moestopo (Beragama)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32509/abdimoestopo.v7i1.3687

Abstract

Pendekatan melalui “Blue Economic” memiliki relevansi yang luas sebagai pemanfaatan hasil kelautan untuk kemakmuran masyarakat. Karena sektor kelautan lautan memiliki peran besar untuk umat manusia di masa depan, dan Ekonomi Biru menawarkan pendekatan pembangunan berkelanjutan yang lebih baik. Pulau Tidung merupakan salah satu pulau yang berada di wilayah kepulauan seribu. Tujuan pengabdian masyarakat adalah menerapkan blue economy kepada masyarakat untuk meningkatkan kesejahteraan masyarakat di pesisir pantai pulau Tidung. Permasalahan yang didapat adalah rendahnya kualitas produk olahan yang dihasilkan masyarakat pulau Tidung. Untuk itu solusi yang kami tawarkan memberikan pelatihan-pelatihan dalam peningkatan kualitas produk olahan agar dapat meningkatkan kesejahteraan masyarakat pulau Tidung. Adapun luaran dari kegiatan pengabdian masyarakat akan dipublikasikan dalam artikel jurnal. 
Comparative Analysis of Cooling Load Calculations: CLTD Method vs. Carrier HAP 5.01 Software for Hotel HVAC Design Madarif Prawibowo; Komarudin Komarudin
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 6, No 1 (2024)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v6i1.23781

Abstract

This study examines the cooling load requirements of a hotel building by comparing two methodologies: the traditional Cooling Load Temperature Difference (CLTD) method and the Carrier Hourly Analysis Program (HAP) 5.01 software. The primary objective is to validate the accuracy and reliability of these methods in calculating cooling loads across different room types, from standard rooms to larger, more complex suites. The results show that the CLTD method consistently yields higher cooling load estimates, with discrepancies ranging from 3% to 14% compared to HAP 5.01 calculations. These differences are most significant in larger rooms, such as suites and owner’s suites, which have more extensive glass areas, higher occupancy, and more heat-generating equipment. The findings indicate that while the CLTD method is valuable for quick, preliminary estimates, the HAP 5.01 software provides a more precise and comprehensive analysis, taking into account hourly variations, equipment schedules, and other factors that impact cooling loads. This research highlights the need for careful selection of the appropriate calculation method to ensure the efficient design of HVAC systems, maximizing energy efficiency, and maintaining occupant comfort. The study concludes that for projects requiring high accuracy, particularly in complex or large spaces, dynamic simulation tools like HAP 5.01 are preferable. Detailed cooling load results and comparisons are provided in the supplementary documentation, offering further insights into the analysis and its implications for HVAC design.
Co-Authors Andrian Saputro Didin Hikmah Perkasa Djoko Suprijatmono Suprijatmono Erfiana Wahyuningsih Islamiah Kamil M. Al Faruq Abdullah Madarif Prawibowo Meiliyah Ariani