3-D Numerical Simulation of Heat Transfer in Biomedical Applications

Rashkovska, Aleksandra; Trobec, Roman; Depolli, Matjaž; Kosec, Gregor

doi:10.5772/50793

Cited by 4 publications

(2 citation statements)

References 64 publications

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“…The study of temperature distributions in human body tissues plays a vital role in many research areas, particularly in cryotherapy. 26 Studies on cryotherapy are mainly on humans and animals, and we are not aware of a standard model to test any hypotheses. We have developed and validated a reliable human thigh model using the finite-volume method to analyze thermodynamic conditions.…”

Section: Discussionmentioning

confidence: 99%

A three-dimensional model of transient bioheat transfer in the lower extremity during cryotherapy

Zare

Ghoraishian

Khorasani

2021

Proc Inst Mech Eng H

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The purpose of this research was to create a computational model of the human thigh undergoing cryotherapy. The tissue temperatures were measured for five cold pack temperatures of −8°C, −4°C, 0°C, 4°C, and 8°C in addition to six different time intervals of cold application and ice removal. The depth of cold penetration and duration of local tissue cooling were investigated at 10 points during 30 min of application and 7 h of post-application. The model was created in CATIA, using a mid-axial cut of the human thigh MRI without pathology. After validation by the available clinical data, this research applied the finite-volume discretization method to solve bioheat transfer equations. A 16°C decrease in the cold pack temperature reduced the tissue temperatures located 1 and 2 cm below the fat by almost 3.34°C and 1.4°C, respectively, after 30 min of cold application. It took the tissues 10–15 min to start cooling down, and the temperature reached its plateau after 100 min. Thirty minutes of cold application declined the superficial tissue and deep tissue temperatures near the bone by 22.59°C and 0.48°C, respectively. Intense cryotherapy led to an insignificant change in the deep tissue temperature at 2 cm and deeper below the fat tissue. After ice removal, tissues continued cooling down for about 8 min until 40 min, depending on the tissue depth. This study proposed a 100-min cold therapy with 10 min of ice removal to optimize tissue cooling.

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Section: Discussionmentioning

confidence: 99%

A three-dimensional model of transient bioheat transfer in the lower extremity during cryotherapy

Zare

Ghoraishian

Khorasani

2021

Proc Inst Mech Eng H

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“…An elective methodology simulates nanoliquids utilizing a two phase model. The initial concept of nanofluid or nanoliquid was given by Choi and Eastman [3] In engineering processes, the transfer of heat apparatus is very essential together with breeder cooling, electric power generation, biomedical applications for example ECG's, diagnostic devices, MRI's and so forth others [16]. There are a huge materials for thermal relaxation time i.e., medical equipment's (1-100 s), NaHCO 3 (29s), cement (21s) and so forth others.…”

Section: Introductionmentioning

confidence: 99%

Investigation of viscous dissipation and entropy generation in third grade nanofluid flow over a stretched riga plate with Cattaneo-Christov Double Diffusion (CCDD) model

Chu¹,

Faisal²,

Khan³

et al. 2020

Phys. Scr.

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Fluid flow and heat transport by a stretched surface is most important and significant area of research in mechanical and industrial engineering due to numerous applications. The influence of heat transport is seen in the field of polymer processing, metallurgy and chemical engineering, manufacturing of artificial films, food stuff processing, aerodynamics extrusion of plastic sheets, hot rolling, glass fiber production, metal spinning, metal extrusion, drawing of plastic films and wires and paper production. In view of the above applications, we have modeled two-dimensional, steady and incompressible flow of non-Newtonian fluid (third grade) over a stretched Riga surface with Cattaneo-Christov Double Diffusion (CCDD) model. Stagnation point flow is considered and the flow is generated due to stretched Riga surface. Furthermore, Cattaneo-Christov Double Diffusion concept is used instead of Fourier’s and Fick’s laws to model the energy and concentration equations. Important slip mechanisms of Buongiorno nanofluid model i.e., Brownian motion and thermophoresis diffusion are considered for the transportation of heat and mass transfer. Nield condition is imposed at the stretched boundary surface. Total entropy rate is calculated and discussed through second law of thermodynamics and important pertinent flow parameters. Appropriate similarity variable leads to system of ordinary ones and total residual error and convergence rate are obtained via Optimal Homotopy Analysis Method (OHAM). The influence of parameters on the velocity, temperature, concentration and skin friction coefficient are discussed graphically.

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A Gender Based Comparative Analysis of Temperature Distribution in Human Knee Joint During Transient Therapeutic Heating

Ali

Mamun

Ferdous

2020

2020 IEEE 5th International Conference on Computing Communication and Automation (ICCCA)

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3-D Numerical Simulation of Heat Transfer in Biomedical Applications

Cited by 4 publications

References 64 publications

A three-dimensional model of transient bioheat transfer in the lower extremity during cryotherapy

A three-dimensional model of transient bioheat transfer in the lower extremity during cryotherapy

Investigation of viscous dissipation and entropy generation in third grade nanofluid flow over a stretched riga plate with Cattaneo-Christov Double Diffusion (CCDD) model

A Gender Based Comparative Analysis of Temperature Distribution in Human Knee Joint During Transient Therapeutic Heating

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