Surface Roughness Optimization in Drilling Process Using Response Surface Method (RSM)

Amran, Mohd; Salmah, Siti; Sanusi, Mohd; Yuhazri, M. Y.; Mohamad, Noraiham; Azam, M.A.; Abdullah, Zaini; Mohamad, Effendi

doi:10.11113/jt.v66.2691

Cited by 9 publications

(6 citation statements)

References 12 publications

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“…Usually, such behavior is not expected. It is common sense to just leave enough time to allow the complete conversion of a given mass of raw material at the chosen temperature or to study temperature and time influences on some response of interests, which is common practice in many published studies [21,31,37,44].…”

Section: Model Developmentmentioning

confidence: 99%

“…In order to examine the aforementioned assumptions to mathematically describe and quantify each of them, the Box-Behnken design was used as a specific type of response surface methodology (RSM). RSM is commonly applied in the description of various processes [30][31][32][33], especially in the description of the pyrolysis of plastics [34][35][36][37][38][39][40][41][42][43][44][45][46].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of Feed Mass, Reactor Temperature, and Time on the Yield of Waste Polypropylene Pyrolysis Oil Produced via a Fixed-Bed Reactor

Papuga,

Savković,

Djurdjevic

et al. 2024

Polymers

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This paper presents the results of investigations into the pyrolysis of waste polypropylene in a laboratory fixed-bed batch reactor. The experiments were designed and verified in such a way as to allow the application of the response surface methodology (RSM) in the development of an empirical mathematical model that quantifies the impacts mentioned above. The influence of the mass of the raw material (50, 100, and 150 g) together with the reactor temperature (450, 475, and 500 °C) and the reaction time (45, 50 and 75 min) was examined. It has been shown that the mass of the raw material, i.e., the filling volume of the reactor, has a significant influence on the pyrolysis oil yield. This influence exceeds the influence of reactor temperature and reaction time. This was explained by observing the temperature change inside the reactor at three different spots at the bottom, middle, and top of the reactor. The recorded temperature diagrams show that, with greater masses of feedstock, local overheating occurs in the middle part of the reactor, which leads to the overcracking of volatile products and, from there, to an increased formation of non-condensable gases, i.e., a reduced yield of pyrolytic oil.

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Section: Model Developmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Feed Mass, Reactor Temperature, and Time on the Yield of Waste Polypropylene Pyrolysis Oil Produced via a Fixed-Bed Reactor

Papuga,

Savković,

Djurdjevic

et al. 2024

Polymers

View full text Add to dashboard Cite

show abstract

“…Therefore, some researchers have performed mould analysis using the autodesk moldflow insight (AMI) software in order to obtain high quality product by finding the most optimum process parameters. Optimisation of parameters reduces operation costs through shortening the time for design and production [3,16,17]. Furthermore, family mould can reduce production costs where in a single shot, it can produce many parts at one time.…”

Section: Rpmmentioning

confidence: 99%

Interchangeable core and cavity plates for two-plate family injection mould

Ali¹,

Idayu²,

Abdullah³

et al. 2017

J. MECH. ENG. SCI.

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This study modified a two-plate family plastic injection mould to become interchangeable by changing the core and cavity plates using an existing mould base. The plastic parts produced in the modified two-plate family plastic injection mould included tensile, hardness, impact and flexural test specimens. The cavities of the plastic parts were machined at the parting surface of core plate. Meanwhile, the feeding systems including runner and gate system were machined at the cavity plate to ensure molten plastic can be injected in the cavity area. Various factors have been considered during the designing and fabricating process. This is to ensure the process of assembly between mould plate and standard mould parts can be done perfectly. The plastic parts in the family mould were successfully injected after mould was completed assembled and mould trial was performed. The plastic parts which had been ejected from the family injection mould are purposely produced for future research to study the mechanical properties of plastic materials.

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“…RSM is commonly applied in the description of various processes [23][24][25][26], especially in the description of pyrolysis of plastics [27][28][29][30][31][32][33][34][35][36][37].…”

Section: Introductionmentioning

confidence: 99%

Effect of Feed Mass, Reactor Temperature and Time on Yield of Waste Plastic Pyrolysis Oil Produced via a Fixed Bed Reactor

Papuga,

Savković,

Djurdjevic

et al. 2024

Preprint

View full text Add to dashboard Cite

This paper presents the results of investigations into the pyrolysis of waste polypropylene in a laboratory fixed-bed batch reactor. The experiments were designed and verified in such a way as to allow the application of the Response Surface Methodology (RSM) in the development of an empirical mathematical model that quantifies the impacts mentioned above. The influence of the mass of the raw material (50, 100 and 150 g), together with the reactor temperature (450, 475 and 500 °C) and the reaction time (45, 50 and 75 min) was examined. It has been shown that the mass of the raw material, i.e. the filling volume of the reactor, has a significant influence on the pyrolysis oil yield. This influence exceeds the influence of reactor temperature and reaction time. This was explained by observing the temperature change inside the reactor at three different spots at the bottom, middle and top of the reactor. Recorded temperature diagrams show that with greater masses of feedstock, local overheating occurs in the middle part of the reactor, which leads to overcracking of vapor products, and from there to an increased formation of non-condensable gases, i.e. reduced yield of pyrolytic oil.

show abstract

Surface Roughness Optimization in Drilling Process Using Response Surface Method (RSM)

Cited by 9 publications

References 12 publications

Effect of Feed Mass, Reactor Temperature, and Time on the Yield of Waste Polypropylene Pyrolysis Oil Produced via a Fixed-Bed Reactor

Effect of Feed Mass, Reactor Temperature, and Time on the Yield of Waste Polypropylene Pyrolysis Oil Produced via a Fixed-Bed Reactor

Interchangeable core and cavity plates for two-plate family injection mould

Effect of Feed Mass, Reactor Temperature and Time on Yield of Waste Plastic Pyrolysis Oil Produced via a Fixed Bed Reactor

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