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All Journal International Journal of Advances in Applied Sciences Automotive Experiences
Munir, Fudhail Abdul
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics

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Test rig development for load test of pipe saddle support Rayhan, Muhammad Arif; Yob, Mohd Shukri; Latif, Mohd Juzaila Abd; Kurdi, Ojo; Munir, Fudhail Abdul
International Journal of Advances in Applied Sciences Vol 14, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v14.i3.pp886-893

Abstract

Pipe saddle support is a structure commonly used to support horizontal steel pipe. It prevents direct contact between the pipe and the support. Pipe saddle support can experience displacement due to pipe movement and insufficient stress analysis. Given these concerns, conducting a load test is essential to determine the stress on pipe saddle supports. However, a universal testing machine (UTM) is not suitable for this purpose due to the size limitation. Therefore, this study proposed a test rig setup for the pipe saddle support load test. The test rig consists of a portal frame secured by an underground locking system featuring a strong floor. Additionally, an actual pipe is utilized to replicate actual loading conditions on the pipe saddle support. The applied load is measured using a load cell, with a custom-designed bracket to ensure precise load transfer. Finally, the pipe saddle support specimen is bolted to a base support to maintain stability during the load test. Stress analysis using finite element analysis (FEA) demonstrated that the test rig is suitable for conducting load tests on the specimens with a maximum force of 80 kN. FEA confirmed that the test rig operates within a safety factor of 1.3.
Enhancing Stoichiometric Methane-Air Flames: The Role of N2O Replacement Purwanto, Aris; Saputro, Herman; Alhikami, Akhmad Faruq; Munir, Fudhail Abdul
Automotive Experiences Vol 8 No 2 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.13422

Abstract

The oxidizer is used in aviation propellants for its relatively high impulse density and non-toxic nature. At elevated temperatures, nitrous oxide (N₂O) decomposes into approximately 33% oxygen (O₂) and 67% nitrogen (N₂), providing a higher oxygen content than ambient air. This decomposition enables N₂O to produce higher flame temperatures than air. Previous studies have shown that N₂O addition improves flame stability in methane combustion systems. This study examined the substitution of O₂ with N₂O in stoichiometric methane–air premixed flames, using both numerical and experimental methods. One-dimensional and two-dimensional simulations with CHEMKIN PRO revealed that replacing air with N₂O increases flame temperature but reduces laminar flame speed, mainly due to lower local oxygen concentrations in the reaction zone. The simulations also showed that nitrogen oxides (NOₓ) emissions increase significantly in the post-reaction zone, while carbon monoxide (CO) and carbon dioxide (CO₂) emissions decrease. Experimental results confirmed that controlled N₂O addition enhances flame stability, but excessive concentrations can trigger combustion instabilities. Overall, the findings indicate that introducing up to 20% N₂O can increase flame temperature and reduce CO emissions in methane flames.
Design and analysis of a portal frame test rig for vertical load testing of goalpost pipeline support Ghazali, Tsaqif Al Farrel; Yob, Mohd Shukri; Abd Latif, Mohd Juzaila; Kurdi, Ojo; Munir, Fudhail Abdul
International Journal of Advances in Applied Sciences Vol 14, No 4: December 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v14.i4.pp1402-1410

Abstract

Pipe support is a crucial infrastructure in the oil and gas industry, requiring robust designs to withstand various loads and maintain operational stability. While numerical analysis is commonly used to assess the interaction between pipelines and supports, experimental testing remains essential for validation. However, field testing is often costly and difficult due to safety constraints. To overcome this, a reliable test rig with minimal deflection is needed to ensure accurate experimental results. This study uses finite element analysis (FEA) to evaluate both a goalpost pipeline support and a newly developed portal frame test rig. The test rig was analyzed under two conditions: the failure load of the goalpost support and an amplified load with a factor of 2.5 to simulate unexpected scenarios. Results show the test rig can safely withstand loads up to 40 kN, meeting the EN 1990 safety factor requirement of 1.5. Furthermore, critical components remained within the deflection limit specified by the British Constructional Steelwork Association (BCSA), which is under L/1,000 of the beam length. These results confirm the structural integrity and suitability of the portal frame test rig for accurate testing of the goalpost pipeline support structure.
Co-Authors Abd Latif, Mohd Juzaila Akhmad Faruq Alhikami Ghazali, Tsaqif Al Farrel Herman Saputro Latif, Mohd Juzaila Abd Ojo Kurdi Rayhan, Muhammad Arif Yob, Mohd Shukri