Effect of chemical and heat treatment on 3D printed parts: nanoparticles embedment approach

Francis, Vishal; Garg, Sahil; Saxena, Kuldeep K.; Jain, Prashant K.; Lade, Jayahari; Kumar, Deepak

doi:10.1080/2374068x.2022.2037876

Cited by 16 publications

(10 citation statements)

References 28 publications

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“…The nozzle contour is meticulously crafted utilizing the "method of characteristics" to achieve specific flow characteristics. The contour is precisely designed to expand the flow from a Mach number of 1 at the throat to Mach 2.0 in the test section, while ensuring uniformity and streamlining with the flow direction [30][31]. The method of characteristics serves as a numerical technique for solving nonlinear differential equations governing inviscid flow.…”

Section: Materials and Methods 21 Design Procedures Of Supersonic CD ...mentioning

confidence: 99%

Design and CFD Simulation of Supersonic Nozzle by Komega turbulence model for Supersonic Wind Tunnel

Raman,

Vinod Kumar,

Reddy

et al. 2024

E3S Web of Conf.

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This paper presents an impressive design of a convergent divergent (C-D) nozzle using the method of characteristics for a Mach number 2 test section. The nozzle’s geometry was meticulously crafted in SolidWorks, and its performance was evaluated through a CFD simulation in Ansys Fluent R22 software. Results showed excellent agreement between the simulation and analytical data, with the Mach number ranging from 1.78 to 2. The study also compared turbulence modeling techniques, concluding that the k-omega model produced superior results. The supersonic wind tunnel achieved remarkable efficiency, completing a run at 1.8 Mach number in just 6 seconds. Overall, the study showcased exceptional accuracy and meticulousness.

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Section: Materials and Methods 21 Design Procedures Of Supersonic CD ...mentioning

confidence: 99%

Design and CFD Simulation of Supersonic Nozzle by Komega turbulence model for Supersonic Wind Tunnel

Raman,

Vinod Kumar,

Reddy

et al. 2024

E3S Web of Conf.

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“…The arrangement of the double pipe heat exchanger can be modified into series and parallel configurations to meet specific requirements for pressure drop and mean temperature difference [23][24][25][26]. This type of heat exchanger is commonly used for sensible heating and cooling of process fluids when a smaller heat transfer area is sufficient.…”

Section: Design and Data Deduction For Dthxmentioning

confidence: 99%

Numerical investigation on Double Tube Counter Flow Heat Exchanger

Raman,

et al. 2024

E3S Web of Conf.

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In the current study, the investigation of heat transfer and fluid flow Characteristics of Pure water when pass through a double tube heat exchanger (DTHX). this investigation has been conducted across various Reynolds Number to gain insights into their performance also conducted a computational fluid dynamics (CFD) simulation using the ANSYS-FLUENT 22 R1 software. Result obtained was validated by comparing to empirical correlation data found in the existing literature. The investigation considered various operating variable as Reynolds Number and temperature across the inner, and outer tubes. Specifically, the Reynolds Number of a range of 2500 to 5500 at 333 K, and 2500 at 303 K for the respective tubes. Key findings are that friction factor is increase by 6.38% as compared to correlation (Blasius) in existing literature. And Nusselt number (Nu) increase by 40.84% as compared to correlation at the Reynolds Number (Re) of 2500. The heat transfer coefficients (hi) were increased by 8.30% as compared to existing literature.

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“…In addition, they have also investigated the synergetic effect of surface roughness on fatigue performance of the AM parts. Francis et al (2022) experimentally investigated the combined effect of heat and chemical treatment with nanoparticles to finish the FDM-printed ABS parts. The results showed a significant improvement in surface roughness and hardness using this hybrid method of surface postprocessing of FDM parts.…”

Section: Mex Abs Partmentioning

confidence: 99%

A comprehensive review on surface quality improvement methods for additively manufactured parts

Hashmi

Mali

Meena

2022

RPJ

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Purpose The purpose of this paper is to study the functionality of additively manufactured (AM) parts, mainly depending on their dimensional accuracy and surface finish. However, the products manufactured using AM usually suffer from defects like roughness or uneven surfaces. This paper discusses the various surface quality improvement techniques, including how to reduce surface defects, surface roughness and dimensional accuracy of AM parts. Design/methodology/approach There are many different types of popular AM methods. Unfortunately, these AM methods are susceptible to different kinds of surface defects in the product. As a result, pre- and postprocessing efforts and control of various AM process parameters are needed to improve the surface quality and reduce surface roughness. Findings In this paper, the various surface quality improvement methods are categorized based on the type of materials, working principles of AM and types of finishing processes. They have been divided into chemical, thermal, mechanical and hybrid-based categories. Research limitations/implications The review has evaluated the possibility of various surface finishing methods for enhancing the surface quality of AM parts. It has also discussed the research perspective of these methods for surface finishing of AM parts at micro- to nanolevel surface roughness and better dimensional accuracy. Originality/value This paper represents a comprehensive review of surface quality improvement methods for both metals and polymer-based AM parts. Graphical abstract of surface quality improvement methods

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Effect of chemical and heat treatment on 3D printed parts: nanoparticles embedment approach

Cited by 16 publications

References 28 publications

Design and CFD Simulation of Supersonic Nozzle by Komega turbulence model for Supersonic Wind Tunnel

Design and CFD Simulation of Supersonic Nozzle by Komega turbulence model for Supersonic Wind Tunnel

Numerical investigation on Double Tube Counter Flow Heat Exchanger

A comprehensive review on surface quality improvement methods for additively manufactured parts

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