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Journal articles on the topic 'Appropriate Piping System'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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1

Jiang, Zihao, Renwen Chen, Hao Liu, and Boyu Zheng. "Study on fluid-structure interaction vibration characteristics of aerospace piping systems." Journal of Physics: Conference Series 2977, no. 1 (2025): 012039. https://doi.org/10.1088/1742-6596/2977/1/012039.

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Abstract This paper investigates the vibration characteristics of aircraft fuel pipelines under fluid-structure interaction conditions. A detailed analysis of the vibration modes of the aerospace engine piping system is conducted using simulation software, with a particular focus on the effects of clamp mounting methods, fluid type, and fluid flow rate on the vibration behavior of the piping. The research results demonstrate that the appropriate placement of clamps and optimal selection of fluid parameters play a crucial role in enhancing the stability and safety of the piping system. The find

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2

MOHAMAD RIVAI and Yanto. "Uji Tekanan pada Sambungan Las Sistem Perpipaan Lepas Pantai Menggunakan Metode Tes Pneumatik." Jurnal Praktik Keinsinyuran 2, no. 2 (2025): 109–15. https://doi.org/10.25170/jpk.v2i2.6335.

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This article presents a case study evaluating the integrity of weld joints in offshore piping systems through pneumatic pressure testing. This work was conducted on an offshore construction project where pressure testing was performed on an LNG piping system prior to commissioning. The testing process commenced with equipment preparation and nitrogen injection into the piping system until a test pressure of 11.5 barg was reached, followed by a 30-minute holding period and visual inspection of all weld joints using a bubble test. Additionally, this article discusses the importance of safety zon

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3

Magrib, Novita Irma Diana, and Charles Johandersson Tiwery. "Analysis of Clean Water Needs in Soya Village, Sirimau District, Ambon City By Using EPANET 2.2 Software." Tibuana 6, no. 2 (2023): 134–40. http://dx.doi.org/10.36456/tibuana.6.2.7385.134-140.

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Clean water is one of the basic human needs that is needed on an ongoing basis. The use of clean water is very important for household consumption, industrial needs and public places. Because of the importance of the need for clean water, it is only natural that the clean water sector is given top priority for handling because it involves the lives of many people. Fulfilling the need for clean water is highly dependent on the availability of clean water sources, which can be obtained from groundwater and surface water, which can be provided from rivers, springs, weirs and reservoirs/reservoirs

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4

Chao, Y. J. "Minimum Stress Design of Nozzles in Pressure Vessel Heads." Journal of Pressure Vessel Technology 110, no. 4 (1988): 460–63. http://dx.doi.org/10.1115/1.3265630.

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In the early design stage of pressure vessels the configuration of the piping systems is not yet established; hence forces transmitted by the piping systems to the nozzles in the pressure vessels cannot be determined. This often leads to the design of nozzles in pressure vessels guided by consideration of pressure loadings such as the area-replacement method. However, it is true that in many cases the stresses due to external loads can be more critical than those due to the internal pressure. Therefore, engineers often redesign the piping system several times by adding more pipe bends or speci

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Omenai, Stanley. "Finite Element Analysis of Bellows Expansion Joint Under Large Deformation." International Journal of Computing and Engineering 6, no. 4 (2024): 22–38. http://dx.doi.org/10.47941/ijce.2202.

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Purpose: A bellows expansion joint is a flexible connector made from a series of convolutions, also known as bellows, that can accommodate movements in a piping system. The movements can include axial compression and extension, lateral deflection, and angular rotation. Methodology: Bellows expansion joints are used to absorb thermal expansion, reduce vibration, and compensate for misalignments in piping systems. They help to absorb tensile or compressive forces arising from expansions or contractions in the system. In this study, Finite Element Analysis (FEA) is performed on a bellows expansio

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6

Sunarso, Sugeng, and Febriary Khristyson Samuel. "Analysis Welding Types Pipe Fabrication Process in Missile Fast Attack Boat Construction." Engineering and Technology Journal 9, no. 10 (2024): 5308–12. https://doi.org/10.5281/zenodo.13902937.

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The equipment in the piping system consists of pipes, valves, flanges, filters, fittings, pumps, and others. The installation schedule for this piping system begins after the connection between blocks. Pipes as part of a ship's system have several steps in their installation procedure, one of which is welding. Welding on pipes is carried out by professional welders who have met more complex competency requirements than welders in general, such as flat position welders, vertical welders, or overhead welders. The purpose of this study was to determine the welding process and types of welding in

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7

Al-Dabbas, Mohammed Awwad Ali. "The Description of “Temperature Self-Limiting” in Jordanian Solar Generators with Natural Cooling." International Journal of Heat and Technology 39, no. 3 (2021): 938–46. http://dx.doi.org/10.18280/ijht.390330.

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This study helps to make the sustainability of the experiential system reg of solar generator device better, particularly the unexpected inactiveness of drainage liquid throughout the solar system which is generating power. Stagnation situations can be disastrous for solar system units. Various methods to mitigating the consequences of the stagnation state have been established and tested. Some suggested approaches are not appropriate for all device designs and implementations. The tested reg generator systems in experiments can continue to work although the collector of the piping system is c

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Elmardi Suleiman, Dr Osama Mohammed, and Mansour Hamad Elmamoun. "A REVIEW STUDY IN TROUBLESHOOTING OF HYDRAULIC SYSTEMS IN CEMENT INDUSTRIES." International Journal of Engineering Applied Sciences and Technology 7, no. 8 (2022): 62–82. http://dx.doi.org/10.33564/ijeast.2022.v07i08.006.

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Behind every hydraulic system there exists critical components that influence power transmission. To improve talent you should recognize how these components operate and affect the system i.e. learn the kinds of filter and piping used in hydraulic systems, describe the types and functions of hydraulic seals, and explain the operating principles of different types of pumps, and further learning the types and uses of accumulators, control valves, relief valves, cylinders, and even actuators. In this research study appropriate problem-solving processes are applied, and this helps to comprehend th

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Chmelko, Vladimír, Martin Garan, Miroslav Šulko, and Marek Gašparík. "Health and Structural Integrity of Monitoring Systems: The Case Study of Pressurized Pipelines." Applied Sciences 10, no. 17 (2020): 6023. http://dx.doi.org/10.3390/app10176023.

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In the operation of some structures, particularly in energy or chemical industry where pressurized pipeline systems are employed, certain unexpected critical situations may occur, which must be definitely avoided. Otherwise, such situations would result in undesirable damage to the environment or even the endangerment of human life. For example, the occurrence of such nonstandard states can significantly affect the safety of high-pressure pipeline systems. The following paper discusses basic physical prerequisites for assembling the systems that can sense loading states and monitor the operati

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10

Isranuri, Ikhwansyah, and Nur Asnah Sitohang. "Pengembangan Sistem Penyediaan Air Bersih dengan Metode Appropriate Technology di Kelurahan Mekar Sari Kecamatan Rambutan Pemko Tebing Tinggi." Jurnal Riset Hesti Medan Akper Kesdam I/BB Medan 6, no. 1 (2021): 34. http://dx.doi.org/10.34008/jurhesti.v6i1.230.

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Planning for a clean water supply system is a community service program carried out by USU in collaboration with the Dinas Pemberdayaan Masyarakat dan Desa(PMD) of the Pemko Tebing Tinggi. The problem encountered is the unavailability of clean water. This condition can interfere with people's daily activities such as the need for households. The clean water supply system that is implemented is the application of appropriate technology in the sense that it is easy to operate and all components are easy to care for by the public. The purpose of this activity is to provide clean water that meets

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Ogawa, Akihisa, Shimpei Ono, and Hiroshi Onoda. "Environmental and Economic Evaluation of Mechanical Biological Treatment System for Municipal Waste Considering the Political Framework in Ichihara City." Applied Sciences 11, no. 21 (2021): 10296. http://dx.doi.org/10.3390/app112110296.

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Japan’s declining population has caused changes in the amount and characteristics of municipal waste. In order to optimize waste incineration plants as a countermeasure to this problem, we analyzed the performance of the integration of the plants with the Mechanical Biological Treatment (MBT) system. In the integrated system, food waste and sewage sludge from waste incineration plants, sewage treatment plants, and industrial facilities were mixed and fermented to produce methane gas. In this study, we evaluated the environmental and economic performance of the integrated system in four case sc

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12

Mohamed, Mahmood J., Ibtisam R. Karim, Mohammed Y. Fattah, and Nadhir Al-Ansari. "Modelling Flood Wave Propagation as a Result of Dam Piping Failure Using 2D-HEC-RAS." Civil Engineering Journal 9, no. 10 (2023): 2503–15. http://dx.doi.org/10.28991/cej-2023-09-10-010.

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In recent years, there has been a serious request for innovative, accurate approaches to be determined and controlled for dam failures. The present study aims to explore and evaluate the flood wave parameters that result from a dam break due to piping failure occurring in the body of the dam and routing the flood waves. Mosul Dam, which lies in the north of Iraq, and a reach of the Tigris River downstream the dam to Samarra Barrage at about 470 km are selected as a case study. A two-dimensional Hydrologic Engineering Center River Analysis System (2D HEC-RAS) and the Geographic Information Syst

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13

Hamdani, Hamdani, Adi Saputra Ismy, and Muhammad Rizki. "Pengaruh Variasi Arus Pengelasan Kombinasi GTAW dan SMAW terhadap Sifat Mekanik pada Carbon Steel A53 GR B." Jurnal Teknologi 22, no. 2 (2022): 99. http://dx.doi.org/10.30811/teknologi.v22i2.3265.

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The piping system in process industry plays an important role and generally is connected by welding where the welding uses a certain current, therefore this study analyzes the appropriate current variation for welding combinations between GTAW and SMAW on A 53 GR B material using 3 variations of currents, namely 70A, 100A, and 120A. The results of the stable hardness test occurred in specimens with a holding time of 20 seconds with a hardness value of 33.67 HRC on base metal 1, on HAZ 1 of 36.00 HRC, 38.83 HRC on weld metal, 38.83 HRC on HAZ 2, on base metal 2 of 32.00 HRC. The value of the im

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14

Rowe, Ronald Kerry, and Jiying Fan. "The Application of Geosynthetics in Tailings Storage Facilities: A General Review." Mining 4, no. 2 (2024): 447–68. http://dx.doi.org/10.3390/mining4020026.

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This paper is a summary of many of the key findings on the application of geosynthetics in tailings storage facilities. Topics include the compressibility and permeability of tailings, the equations predicting leakage through circular and non-circular geomembrane holes, the effect of the subgrade permeability, and the effect of a lateral drainage system within tailings on leakage predictions. Two commonly encountered engineering problems relating to the piping through circular geomembrane holes and the opening width of non-circular defective geomembrane seams are given to demonstrate the poten

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15

Adhi, Tri Partono, Tanti S. Rosyid, Yusrin Ramli, and Antonius Indarto. "Dynamic Evaluation: Centrifugal Compressor’s Operation in Determining Anti-Surge Controller." Jurnal Otomasi Kontrol dan Instrumentasi 14, no. 2 (2022): 123–32. http://dx.doi.org/10.5614/joki.2022.14.2.6.

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Anti-surging is developed for a compressor system consisting of a booster compressor and a high-pressure compressor in a serial circuit. This evaluation presented 6 options of anti-surge systems with variations of the number of Anti-surge Valve (ASV) and its combination with the addition of a Hot Gas Bypass Valve (HGBV) and Cold Gas Bypass Valve (CGBV). From the model evaluation, the option that involves a special ASV (dedicated) for each compressor and coupled with a dedicated CGBV or HGBV is the best because the compressor can be back to normal in less than 1 second (maximum time to return t

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16

Sutrisno, Sutrisno. "Analysis Of Fuel Installation System Design At The Enviromental Of Naval Base." International Journal of Progressive Sciences and Technologies 34, no. 2 (2022): 366. http://dx.doi.org/10.52155/ijpsat.v34.2.4651.

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The fuel installation system is necessary to support the Indonesian Naval ships to carry out operations. The current condition in the field is that Second Fleet Command does not yet have a fuel installation system. So far, to support Indonesian Naval Warship in carrying out operations using Pertamina's fuel installation pipes which are directly distributed from Pertamina's bunker. As a result, the Navy has become very dependent on Pertamina's performance and this is quite an obstacle. Therefore, the author has an idea to design a fuel installation system that must be owned by the Navy, especia

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17

Yuki Trisnoaji, Singgih Dwi Prasetyo, Catur Harsito, Abram Anggit, and Mochamad Subchan Mauludin. "Exploring Pressure Dynamics in Rough-Surfaced U-Bend Pipelines: A Comparative Study of Water and Nanofluid Composites Across Varying Mass Flow Rates." Semarak International Journal of Nanotechnology 3, no. 1 (2024): 1–21. https://doi.org/10.37934/sijn.3.1.121.

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This study investigates fluid flow in U-bend pipes with rough walls, an essential aspect of fluid engineering to improve system efficiency in applications such as heat exchangers and industrial piping. It compares numerical calculation results with Computational Fluid Dynamics (CFD) simulations performed in Ansys Fluent for three types of fluids: water, nano-Al₂O₃ (Water/Al₂O₃), and nano-ZnO (Water/ZnO), at mass flow rates of 0.74 kg/s, 0.75 kg/s, and 0.76 kg/s. These findings are validated against a reference value of 0.735 kg/s from Ansys. The results indicate an increase in total pressure w

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18

Trisnoaji, Yuki, Singgih Dwi Prasetyo, Catur Harsito, Abram Anggit, and Mochamad Subchan Mauludin. "Exploring Pressure Dynamics in Rough-Surfaced U-Bend Pipelines: A Comparative Study of Water and Nanofluid Composites across Varying Mass Flow Rates." Semarak International Journal of Nanotechnology 3, no. 1 (2025): 1–21. https://doi.org/10.37934/sijn.3.1.121b.

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This study investigates fluid flow in U-bend pipes with rough walls, an essential aspect of fluid engineering to improve system efficiency in applications such as heat exchangers and industrial piping. It compares numerical calculation results with Computational Fluid Dynamics (CFD) simulations performed in Ansys Fluent for three types of fluids: water, nano-Al₂O₃ (Water/Al₂O₃), and nano-ZnO (Water/ZnO), at mass flow rates of 0.74 kg/s, 0.75 kg/s, and 0.76 kg/s. These findings are validated against a reference value of 0.735 kg/s from Ansys. The results indicate an increase in total pressure w

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19

Amirhooshang, Alvandi, Abiri Ramin, Aryan Ehsan, Rezaei Mansour, and Bagherabadi Shahram. "High frequency of Helicobacter pylori DNA in drinking water in Kermanshah, Iran, during June–November 2012." Journal of Water and Health 12, no. 3 (2013): 504–12. http://dx.doi.org/10.2166/wh.2013.150.

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To gain a better understanding of transmission and selecting appropriate measures for preventing the spread of Helicobacter pylori, the aim of this study was to investigate the prevalence of H. pylori in drinking water samples in Kermanshah, Iran. Drinking water samples were collected from around Kermanshah and filtered through 0.45 μm nitrocellulose filters. The bacterial sediment was subjected to DNA extraction and polymerase chain reaction (PCR) for H. pylori detection using newly designed primers targeted at the conserved region of the ureC gene. The overall detection rates for H. pylori D

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20

Hwang, Soon-kyu, Byung-gun Jung, and Jong-kap Ahn. "A Novel Proposal for Optimal Performance of Blanket Gas System for FPSOs." Energies 15, no. 18 (2022): 6820. http://dx.doi.org/10.3390/en15186820.

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The energy required for the transportation of raw materials and the production of most manufactured goods depends on crude oil. For these reasons, FPSOs (Floating, Production, Storage, and Offloading) have become the primary production units of crude oil offshore. It is leading to an increase in the number and expanding of the production and storage facilities of the FPSOs. An increase in the oil production at the topside facilities of FPSOs will contain more gases, which leads to a rise in blow-by gas. Changes to the blanket gas system may be necessary as the flow rate of the blow-by gas is e

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Harsem, Trond Thorgeir, Behrouz Nourozi, Amirmohammad Behzadi, and Sasan Sadrizadeh. "Design and Parametric Investigation of an Efficient Heating System, an Effort to Obtain a Higher Seasonal Performance Factor." Energies 14, no. 24 (2021): 8475. http://dx.doi.org/10.3390/en14248475.

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The present work introduces an innovative yet feasible heating system consisting of a ground source heat pump, borehole thermal energy storage, an auxiliary heater, radiators, and ventilation coils. The concept is developed by designing a new piping configuration monitored by a smart control system to reduce the return flow temperature and increase the temperature differential between the supply and return flows. The radiators and ventilation heating circuits are connected in series to provide the heat loads with the same demand. The investigation of the proposed model is performed through dev

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Pereznasrah and F. Homzah Ozkar. "CARBON STEEL SS400 FAILURE ANALYSIS OF DUCTING SCRUBBING PIPE AT PT PUSRI PALEMBANG FOR NPK-1 PLANT." AUSTENIT 15, no. 1 (2023): 55–62. https://doi.org/10.5281/zenodo.7955419.

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<em>The purpose of this research was to discover the various reasons of failures and appropriate repair options for the line ducting cleaning unit system at PT Pusri Palembang's NPK-1 production facility. The main cause of the failures was determined to be a deterioration of the ducting line material caused by corrosion on the inner side of the ducting pipe composed of SS400 carbon steel. We made investigation including an analysis of the thickness of the damaged ducting pipe, as well as a visual check. The investigation showed that the corrosion caused an average drop in pipe wall thickne

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23

Apta Nugraha Darawia, Antoni. "Evaluasi Unjuk Kerja Fire Tube Boiler TWA 6000KG/H di PT X." Journal of Comprehensive Science (JCS) 3, no. 11 (2024): 5273–84. https://doi.org/10.59188/jcs.v3i11.2896.

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PT. X has a Refinery which is a place to process crude oil into min-yak which can be used by various engines according to the type of fuel. To maintain the production system and the quality of fuel calorific value at PT. X, it takes a boiler unit to add and maintain the calorific value of the fuel produced. A boiler is a pressure vessel used to produce steam. Boiler at PT. X uses Feed Water as a fluid that is converted to steam. To keep the boiler able to provide the appropriate calorific value, maintenance and performance evaluation on the boiler are needed. The boiler operates when the oil i

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24

Wardhani, Eka, and Rosmeiliyana Rosmeiliyana. "Pemilihan Sistem Pengelolaan Air Limbah Domestik di DAS Cisangkan." Jurnal Reka Lingkungan 10, no. 1 (2021): 67–78. http://dx.doi.org/10.26760/rekalingkungan.v10i1.67-78.

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AbstrakKota Cimahi merupakan wilayah penyumbang beban pencemaran yang besar terhadap Sungai Citarum. Terdapat 5 sungai di Kota Cimahi yang terindikasi tercemar berat diantaranya adalah Sungai Cisangkan. DAS Cisangkan ditempati oleh penduduk dengan kepadatan tinggi dan belum dilengkapi dengan sistem pengelolaan air limbah domestik. Penelitian ini bertujuan untuk mengetahui strategi pengendalian pencemaran air yang sesuai untuk Sungai Cisangkan. Pengendalian difokuskan kepada air limbah domestik sesuai dengan PerMenPUPR No. 4 Tahun 2017. Hasil penelitian menyebutkan bahwa mutu air Sungai Cisangk

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Oktavianto, Putra, Anis Noor Kundari, Ade Saputra, Imam Abdurrosyid, Munisatun Sholikhah, and Andri Saputra. "SAFETY INTEGRITY LEVEL ASSESSMENT AT URANIUM EVAPORATOR AND DEPOSITION VESSEL IN NON NUCLEAR REACTOR INSTALLATIONS." Urania : Jurnal Ilmiah Daur Bahan Bakar Nuklir 29, no. 1 (2023): 11. http://dx.doi.org/10.17146/urania.2023.29.1.6986.

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The operation of non-reactor nuclear installations that use nuclear material in the process must be ensured safely during the process. One of the assessments of the safety level of the protection system that has been owned by the installation is using the Safety Integrity Level (SIL) which assesses the safety level of the protection system based on the value of the risk reduction factor that the protection system can achieve. The uranium evaporator and deposition vessel at the Experimental Fuel Element Installation (EFEI) is one of the installations that uses nuclear material in the process so

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Setyoko, Ajun Tri, Rahmat Nurcahyo, Aulia Sena Adipraja, and Hendri Dwi Saptrioratri Budiono. "MAINTENANCE STRATEGY REVIEW (MSR) BASED ON ISO 14224:2016 IN INDONESIA OIL AND NATURAL GAS COMPANIES." Jurnal Standardisasi 26, no. 1 (2024): 23. http://dx.doi.org/10.31153/js.v26i1.1013.

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<p>The oil and gas industry is vital for Indonesia, and the safety and effectiveness of work in processing and exploring the oil and gas that operate in Indonesia must comply with existing regulations. This safety and effectiveness are inseparable from how the company maintains the assets and instruments used at the oil and gas production and exploration site. Maintenance of pipes and instruments for production is one of the company's most vital assets. In addition to having appropriate productivity, pipes and instruments must be maintained optimally so that maintenance costs do not exce

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Rahman, Abu Bakar, Noorlaile Jasman, Normawati Ahmad, Kamarul Zaman Salleh, Siti Nur Farhana Harun, and Manimaran Krishnan. "Scoping Review: Barrier to The Knowledge, Attitude and Practice on Dengue Prevention." Malaysian Journal of Social Sciences and Humanities (MJSSH) 7, no. 4 (2022): e001421. http://dx.doi.org/10.47405/mjssh.v7i4.1421.

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Dengue fever is a vector-borne endemic disease that affects over 30 million Malaysians. Preventing the elimination of Aedes breeding sites is a necessary precautionary measure to strengthen the knowledge, attitudes and practices of the community. The aim of this study is to identify barriers to the knowledge, attitudes and practices of dengue prevention in the community through the study of selected articles published between 2010 and 2018. The present paper carried out a scoping review of available literature using Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) gu

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Hamidah, Noor, Dwi Anung Nindito, Tatau Wijaya Garib, Waluyo Nuswantoro, and Mahdi Santoso. "Desain Bilik Sterilisasi "White Box"." INERSIA: lNformasi dan Ekspose hasil Riset teknik SIpil dan Arsitektur 17, no. 1 (2021): 68–75. http://dx.doi.org/10.21831/inersia.v17i1.39497.

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ABSTRACT The sterilization chamber is designed to sterilize the body using a filler formulation that is not harmful to the skin surface. Formulation, namely the composition of filler fluids (type, dose and amount) using substances that are safe for the body accordingly, certainly provides benefits. The use of the sterilization booth uses the correct and safe filling fluid. The sterilization chamber uses a mist nozzle sprayer (with the appropriate discharge) to spray the filling liquid so that the user is safe. This sterilization booth is named "White Box". This "White Box" research aims to des

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Lasebikan, B. A., A. R. Akisanya, and W. F. Deans. "Autoclave design for high pressure-high temperature corrosion studies." Journal of Engineering, Design and Technology 13, no. 4 (2015): 539–55. http://dx.doi.org/10.1108/jedt-08-2013-0057.

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Purpose – The purpose of this paper is to develop an autoclave that can be used to assess corrosion behaviour of suitable material in high-pressure–high-temperature (HPHT) environments. Many new discoveries of oil and gas field are in HPHT environments. The development of such fields requires appropriate selection of materials that are able to withstand not just the service loads but also corrosive production fluids in the HPHT environment. Design/methodology/approach – The exposure of material samples to elevated pressure and temperature is usually done using an autoclave. The suitability of

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Usiabulu, Godsday Idanegbe, Ogbonna Joel, Livinus Nosike, Victor Aimikhe, and Emeka Okafor. "A New Pressure-Based Modeling Approach for Early Leak Detection in Gas Processing Plants Using Machine Learning." Journal of Engineering Research and Reports 25, no. 6 (2023): 18–27. http://dx.doi.org/10.9734/jerr/2023/v25i6919.

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Natural gas is composed mostly of methane, the simplest hydrocarbon molecule, with only one carbon atom. But most gas at the wellhead contains other hydrocarbon molecules known as Natural Gas Liquids (NGL). Heavier gaseous hydrocarbons such as propane (C3H8), normal butane (n-C4H10), isobutane (i- C4H10) and pentanes, may also be processed in gas plants and exported as Liquified Natural Gas (LNG). During operational services in gas plant from inlet to outlet piping, gas leaks tend to occur undetected at some points in the facility. Apart from loss of gas resources, leaks and venting at natural

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Muhammad Rifaldi, Abuijal, Agus Arip Munawar, and Ichwana Ramli. "Analisis Kehilangan Tekanan Air pada Jaringan Perpipaan dalam Rangka Menuju Kampus Hijau Universitas Syiah Kuala Menggunakan Software EPANET 2.2." Jurnal Ilmiah Mahasiswa Pertanian 7, no. 4 (2022): 985–92. http://dx.doi.org/10.17969/jimfp.v7i4.22275.

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Abstrak . Kehilangan aliran dalam sistem perpipaan menunjukkan kinerja sistem perpipaan. kehilangan tekanan merupakan kehilangan yang tidak dapat dihindari pada aliran fluida, yang akan menyebabkan tekanan pada aliran menjadi berkurang, sehingga menurunkan kecepatan aliran. Penelitian ini bertujuan untuk mengetahui kehilangan udara dan penurunan tekanan pada jaringan perpipaan distribusi air bersih di lingkungan kampus USK. Untuk menentukan headloss digunakan rumus Hazen-Williams . Hasil dari penelitian menunjukkan bahwa berdasarkan kriteria yang ditetapkan oleh American Water Work Association

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Szewczyk, Piotr. "Modyfikacja znormalizowanej metody prowadzenia prób ciśnieniowych celem jej wykorzystania do badania szczelności gazociągów z poliamidu PA 12." Nafta-Gaz 77, no. 6 (2021): 383–88. http://dx.doi.org/10.18668/ng.2021.06.04.

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Before being put into operation, gas pipelines are subjected to leakage and strength pressure testing. In the case of plastic gas pipelines, a combined leakage and strength test is performed at a pressure of 1.5 ´ MOP. In Poland, in accordance with the applicable regulations, the plastic material from which gas pipelines can now be built is polyethylene. In other countries gas pipelines are also built of another material, which is PA12 polyamide. Piping systems made of this material are used to transmit gas at a pressure of 1.6 MPa. Both polyethylene and polyamide gas pipelines, after loading

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Terao, D. "A Regulatory Perspective on Appropriate Seismic Loading Stress Criteria for Advanced Light Water Reactor Piping Systems." Journal of Pressure Vessel Technology 117, no. 2 (1995): 177–81. http://dx.doi.org/10.1115/1.2842107.

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Sampaio, Silvio Cesar, Elisandro Pires Frigo, Marcio Antonio Vilas Boas, Manoel M. F. de Queiroz, Benedito Martins Gomes, and Larissa Schmatz Mallmann. "PERDA DE CARGA EM TUBULAÇÕES E CONEXÕES CONDUZINDO ÁGUA RESIDUARIA DA AVICULTURA." IRRIGA 12, no. 2 (2007): 225–34. http://dx.doi.org/10.15809/irriga.2007v12n2p225-234.

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PERDA DE CARGA EM TUBULAÇÕES E CONEXÕES CONDUZINDO ÁGUA RESIDUARIA DA AVICULTURA Silvio Cesar Sampaio; Elisandro Pires Frigo; Marcio Antonio Vilas Boas; Manoel M. F. De Queiroz; Benedito Martins Gomes; Larissa Schmatz MallmannRecursos Hídricos e Saneamento Ambiental, Universidade Estadual do Oeste do Paraná, Cascavel, PR 1 RESUMO O presente trabalho visou estimar a perda de carga em tubulações comerciais utilizando como fluido circulante água residuária de avicultura (ARA). As tubulações utilizadas foram de aço galvanizado e PVC, com diâmetros variando entre32 a75 mm. Construiu-se bancadas de

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Spanos, P. D., A. Sofi, J. Wang, and B. Peng. "A Method for Fatigue Analysis of Piping Systems on Topsides of FPSO Structures." Journal of Offshore Mechanics and Arctic Engineering 128, no. 2 (2005): 162–68. http://dx.doi.org/10.1115/1.2185126.

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Pipelines located on the decks of FPSO systems are exposed to damage due to sea wave induced random loading. In this context, a methodology for estimating the fatigue life of fluid-conveying pipelines is presented. The pipeline is subjected to a random support motion that simulates the effect of the FPSO heaving. The equation of motion of the pipeline is derived by assuming small amplitude displacements, modeling the empty pipeline as a Bernoulli-Euler beam, and adopting the so-called “plug-flow” approximation for the fluid (Fluid-Structure Interactions Slender Structures and Axial Flow, Acade

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Wu, Lan Ying, Yan Lin Wang, Zi Dong Wang, and Ming Wen Chen. "Study on the Influence of Internal Flow Field in Pipeline Elbow by the Guide Plate." Advanced Materials Research 142 (October 2010): 130–33. http://dx.doi.org/10.4028/www.scientific.net/amr.142.130.

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The liquid-conveying elbow is an very important part in the piping system, in this paper, the internal flow field in the pipeline elbow is studied, its structure is optimized, and the guide characteristic is improved. The results show that the internal total pressure difference in the original elbow is 29506.27 Pa, the Max-velocity is 7.12 m/s, and the internal flow field is very uneven；The internal total pressure difference can be greatly reduced through setting up the guide plates appropriately, its internal total pressure difference decreases as the number of guide plates increases, the Max

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Zapata, V. J., W. M. Brummett, M. E. Osborne, and D. J. Van Nispen. "Advances in Tightly Coupled Reservoir/ Wellbore/Surface-Network Simulation." SPE Reservoir Evaluation & Engineering 4, no. 02 (2001): 114–20. http://dx.doi.org/10.2118/71120-pa.

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Summary One of the most perplexing and difficult challenges in the industry is deciding how to develop a new oil or gas field. It is necessary to estimate recoverable reserves, design the most efficient exploitation strategy, decide where and when to drill wells and install surface facilities, and predict the rate of production. This requires a clear understanding of energy distribution and fluid movements throughout the entire system, under any given operational scenario or market-demand situation. Even after a reservoir-development plan is selected, there are many possible facility designs,

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Upul Kumara, M. A. S., S. D. Rajashilpa, and S. M. U. C. Senanayaka. "Design of an MGO Storage Tank System (20,000 MT) at Thilafushi, Male." International Journal of Petroleum and Gas Engineering Research 8, no. 1 (2025): 48–61. https://doi.org/10.37745/ijpger.17/vol8n14861.

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In Maldives, the demand for Marine Gas Oil (MGO) are on the increase due to expansion of number of vessels on voyage and the need for reliable and safe storage facilities designed as per API 650 is on more consideration .It has found that traditional design and development of these facilities to augment the existing utilities has led to some off sets with the API 650 In this work attempt has been made to design a storage tank farm of holding a 5000 x4 MT of MGO in a single dikes enclosure that has been appropriately designed in line with the codes and standard. Material selection was done with

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Vignjević, Goran, Nataša Bušić, Nataša Turić, et al. "First Detection of West Nile Virus Lineage 2 in Culex pipiens Vectors in Croatia." Pathogens 13, no. 12 (2024): 1131. https://doi.org/10.3390/pathogens13121131.

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The West Nile virus (WNV) has recently become more widespread, posing a threat to both human and animal health. In Western Europe, most outbreaks have been caused by WNV lineage 1, while in Eastern Europe, WNV lineage 2 has led to human and bird mortality. The ability to appropriately manage this threat is dependent on integrated surveillance and early detection. This study aimed to quantify the prevalence of WNV infection in mosquitoes and to identify the circulating viral lineage in eastern Croatia. Mosquito traps were set up in rural and urban areas during the 2021–2023 seasons, and the col

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Dubey, Ankit R., Abhinav Gupta, and Sung Gook Cho. "Characterization of Limit State for Seismic Fragility Assessment of T-Joints in Piping System." Journal of Pressure Vessel Technology 142, no. 5 (2020). http://dx.doi.org/10.1115/1.4047041.

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Abstract Fragility assessment requires characterization of a component or system's performance through a performance function/limit-state equation. The exceedance of limit-state is representative of failure or damage state. For the purposes of evaluating piping fragility, characterizing the behavior of T-joints through an appropriate performance function is critical, as failures in piping are generally localized at the location of T-joints, elbows, and nozzles. Past studies have utilized a monotonic rotation-based performance function. However, the existing criteria does not account for the ef

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Cohn, Marvin J. "Main Steam Piping Girth Weldment Stresses and Life Consumption Considering Malfunctioning Supports." Journal of Pressure Vessel Technology 132, no. 5 (2010). http://dx.doi.org/10.1115/1.4002051.

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A high energy piping (HEP) program is important for the safety of plant personnel and reliability of the generating units. HEP weldment failures have resulted in serious injuries, fatalities, extensive damage of components, and significant lost generation. Since creep/fatigue is a typical failure mechanism, the probability of HEP failures increases with unit age. The main steam (MS) piping system is one of the most critical HEP systems. Weldment failures are typically due to a combination of high temperature creep and fatigue. Industry best practices include (1) the evaluation of historical op

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Kurniawan, Iwan. "Pressure Drop for Laminar Flow in 3D Straight and Elbow Pipes Using Computational Fluid Dynamics." Proksima 1, no. 2 (2023). http://dx.doi.org/10.31258/proksima.v1i2.16.

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Designing piping systems for laminar flow requires an understanding of pressure drop. Pressure drop can offer insights for selecting pipe materials, designing an efficient piping system, and choosing the appropriate elbows and fittings. Utilizing numerical simulations, the pressure drop in straight pipes, 45o bends, 90o bends, and 180o bends is examined. Velocity profiles for straight pipes and bends are compared, revealing the increase in pressure drop caused by the bend in comparison to the straight pipe. The numerical simulation results indicate that the bend results in an increased pressur

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Aswin. "Pipe Wall Thickness Comparison of Seamless, ERW, and SAW Type for Steam Piping System." June 22, 2023. https://doi.org/10.5281/zenodo.8070013.

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This research aims to compare the wall thickness calculations for seamless, electric resistance welded (ERW), and submerged arc welded (SAW) pipes in steam piping systems, focusing on the ASME B31.1 code. The findings highlight significant disparities in wall thickness among these pipe types. Seamless pipes require a smaller wall thickness compared to ERW and SAW pipes due to the absence of weld seams. This eliminates weak points and reduces stress concentrations, allowing seamless pipes to achieve the required strength with a smaller wall thickness. In contrast, ERW pipes exhibit a slightly h

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Jain, Hamender. "Scope of Energy Conservation in Pumping System." IARS' International Research Journal 10, no. 2 (2020). http://dx.doi.org/10.51611/iars.irj.v10i2.2020.105.

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Pumps consume about 22% of the world’s total energy generated, out of which 16% is consumed by centrifugal pumps and 6% by rotodynamic pumps. According to the American Hydraulics Institute, 30% of the total electrical energy consumed by pumping systems can be conserved either by designing highly efficient systems or by using appropriate pumps. As a result, the primary focus of global energy policy makers is to enhance energy efficiency in pumping systems. This paper aims to highlight the areas that need to be address in order to increase the pumping system efficiency. It is evident from studie

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Sugeng, Sunarso, and Samuel Febriary Khristyson. "Analysis Welding Types Pipe Fabrication Process in Missile Fast Attack Boat Construction." Engineering and Technology Journal 09, no. 30 (2024). http://dx.doi.org/10.47191/etj/v9i10.07.

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The equipment in the piping system consists of pipes, valves, flanges, filters, fittings, pumps, and others. The installation schedule for this piping system begins after the connection between blocks. Pipes as part of a ship's system have several steps in their installation procedure, one of which is welding. Welding on pipes is carried out by professional welders who have met more complex competency requirements than welders in general, such as flat position welders, vertical welders, or overhead welders. The purpose of this study was to determine the welding process and types of welding in

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Vasiliev, Iulian, Laurențiu Luca, Marian Barbu, Ramon Vilanova, Sergiu Caraman, and Montserrat Meneses Benitez. "Integrated urban wastewater system operation: performance evaluation and sewer network's operation implications." Water Science & Technology, September 11, 2024. http://dx.doi.org/10.2166/wst.2024.309.

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ABSTRACT The paper deals with the operation of the Integrated Urban Wastewater System as composed of the Sewer Network and associated Wastewater Treatment Plant. The performance of the integrated system is defined in terms of appropriate, selected and performance indicators of both subsystems. Both subsystems are connected and interact by a piping system. It is shown how the performance of the Integrated Urban Wastewater System is affected by various Sewer Network control actions: (1) considering a simple control in terms of Sewer Network outlet valve opening and (2) considering that the Sewer

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Botros, Kamal, Vivian Liu, and Jason Lu. "Pneumatic Testing of Piping Assemblies: Criteria for Stored Energy and Pinhole Leak Detectability." Journal of Pressure Vessel Technology, September 17, 2021. http://dx.doi.org/10.1115/1.4052452.

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Abstract Pneumatic testing is beneficial as an alternative to hydrotesting particularly in remote areas where access to hydrotest fluids becomes logistically difficult or impossible. The present work is aimed at addressing two salient questions often face pneumatic testing. First is related to the appropriate piping volume to consider for calculating the stored energy in use with ASME PCC-2 calculation for determining the safe exclusion distance for a given piping geometry and test conditions. It was found that the 8D criteria specified in ASME PCC-2 cannot be generalized for all pipe sizes, d

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Barzegar, Leila, Ghader Ghanizadeh, and Davoud Esmaeili. "Study of Gorge Fisher Plumbing System Effects on Growth Inhibition and Amplification of Legionella pneumophila by Culture and PCR Based on 16sRNA and mip Genes." Middle East Journal of Rehabilitation and Health Studies 9, no. 3 (2022). http://dx.doi.org/10.5812/mejrh-122683.

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Background: Legionella is an aquatic bacterium that causes Legionnaires' fever. Objectives: This study aimed to investigate the effect of Legionella stopper pipes and fittings of George Fisher Company on controlling Legionella growth in indoor water supply systems. Methods: Fifty-six samples of hot and cold-water systems were collected and characterized. The culture was performed in BCYE agar. Molecular detection was performed by PCR. Results: The mean residual chlorine was 0.73 to 0.88 mg/L. Culture results were positive in 58.8% of George Fischer samples and 23.5% of Ray Ho samples. Sixty pe

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"Thermal System Design for Sulfuric Acid Dilution Device - A Case of Awash Melkassa Aluminum Sulphate and Sulfuric Acid S. Co." International Journal of Recent Technology and Engineering 8, no. 5 (2020): 5059–68. http://dx.doi.org/10.35940/ijrte.e7004.018520.

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Preparation of the diluted sulfuric acid not only causes chemical burns, but also secondary thermal burns because of dehydration. However, the domestic acid company only supply the (98-98.5 percentage) of concentrated sulfuric acid to the customer. Thus, customers have no choice, and manually dilute the concentrated sulfuric acid at home while they face the problem of strong acid dilution hazards. In response to this problem, the main objective of this thesis is to design an acid dilution system of capacity that delivers (1 97 ⁄%) diluted acid concentration. The main components of the system a

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Lu, Zhiheng. "Adaption of Collector Orientation for Parabolic Trough Plants in High Latitude Regions." SolarPACES Conference Proceedings 2 (May 12, 2025). https://doi.org/10.52825/solarpaces.v2i.793.

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North-South (N-S) orientation of trough collectors is a common design for parabolic trough plants, which typically provides the maximum annual production. However, such orientation is neither the only one option nor an appropriate solution, especially in high latitude like 40º or higher regions. In actual practises, significant monthly production difference is obtained using N-S orientation due to the so-called “cosine” effect. In this paper, East-West (E-W) orientation option is analysed using System Advisor Model developed by NREL. Results show that annual thermal energy incident on receiver

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