Rapid Evaluation of Plate Heat Exchanger Performance and Fouling Analysis in Epoxidation of Oleochemical at Pilot Plant Scale

Hazmi, Ahmad Syafiq Ahmad; Maurad, Zulina Abd; Pauzi, Nik Nurfatmah Pz Nik; Bakar, Zailan Abu; Idris, Zainab

doi:10.18280/ijht.340402

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…This phenomenon known as 'fouling' affects the thermodynamic and hydrodynamic efficiency of heat exchangers [9]. Hazmi et al [10] estimated the impact of fouling on heat transfer performance of a plate heat exchanger and found its overall hetatransfer coefficient drops by 50% .…”

Section: Fouling With Crude Oilmentioning

confidence: 99%

Fouling and its effect on the thermal performance of heat exchanger tubes

Sarma¹,

Konijeti²,

Subramanyam³

et al. 2017

IJHT

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The phenomena of fouling and corrosion in heat exchanger tubes commonly encountered in industrial practice are reviewed in two phases. In the first phase, the influence of physical and chemical properties of petroleum crude on scaling and fouling are reviewed. Further, in the second phase a generalized hypothesis is provided for unsteady analysis as function of time with the aid of logarithmic, exponential and Power law variation of fouling factors with time. The time dependent thermal characteristics of typical parallel and counter flow heat exchangers are established with the aid of time dependent fouling factors. The approach presented is in good agreement with the reported values of a petroleum refinery. Thus, a method to estimate the critical period for maintenance of the heat exchanger is established treating fouling as a time variable occurrence.

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Section: Fouling With Crude Oilmentioning

confidence: 99%

Fouling and its effect on the thermal performance of heat exchanger tubes

Sarma¹,

Konijeti²,

Subramanyam³

et al. 2017

IJHT

View full text Add to dashboard Cite

show abstract

“…Quintero and Vera [9] presented exact solution for wall conduction effects in counter-flow parallel plate heat exchange in the laminar flow regime. The maldistribution of chevron angle, flow distribution and pressure drop in plate heat exchanger was analyzed by Kumar and Singh [10], while the impact of fouling on heat transfer performance was described by Hazmi et al [11]. The effect of various nano-fluids on heat transfer capacity of plate heat exchanger is presented by Doohan et al [12] by energy and exergy analysis.…”

Section: Introductionmentioning

confidence: 99%

Simulation of corrugated plate heat exchanger for heat and flow analysis

Asif¹,

Aftab²,

Syed³

et al. 2017

IJHT

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In this study thermal performance of corrugated plate heat exchanger (PHE) in single-phase flow is carried out using the ANSYS CFX software. Aim of this research is to develop a generalized Nusselt Number correlation for a commercial PHE configuration under single-phase flow for two different chevron angle plates, 30 o /30 o and 60 o /60 o . The steady state simulation is carried out for a Reynolds number range of 500 to 2500, and the Prandtl number range of 3.5 to 7.5 is maintained in the simulation. The results showed that Nusselt number is increased with increasing Reynolds number as well as by increasing the chevron angle. However, Prandtl number showed trivial impact on the Nusselt number.

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DBIECM-an evolving clustering method for streaming data clustering

Zhang¹,

Lan²,

Zhang³

et al. 2017

AMA_B

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To address the problem of the difficulty of traditional clustering methods to adapt to online clustering of streaming data and on the basis of the research on the evolutionary clustering method (ECM), this paper proposes a Davies-Bouldin index evolving clustering method for streaming data clustering (DBIECM). This method has improved the updating process of the clustering center and the radius of ECM and introduced the Davies-Bouldin Index (DBI) as the evaluation criterion for data classification. Compared with the traditional clustering method, DBIECM has better adaptability for stream data clustering. The experiments show that DBIECM has a better clustering effect on the evaluation criteria of the objective function value, DBI, as well as better accuracy and purity compared with ECM.

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Rapid Evaluation of Plate Heat Exchanger Performance and Fouling Analysis in Epoxidation of Oleochemical at Pilot Plant Scale

Cited by 3 publications

References 13 publications

Fouling and its effect on the thermal performance of heat exchanger tubes

Fouling and its effect on the thermal performance of heat exchanger tubes

Simulation of corrugated plate heat exchanger for heat and flow analysis

DBIECM-an evolving clustering method for streaming data clustering

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