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P. Keangin. Effects of contaminants and waveguide positions on the temperature distribution and sterilization efficiency of infectious waste within a waste treatment tank. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2024.
Effects of contaminants and waveguide positions on the temperature distribution and sterilization efficiency of infectious waste within a waste treatment tank
Name: K. Saetang
Organization :
Mahidol University. Faculty of Engineering
Name: P. Rattanadecho
Organization :
Thammasat University (Rangsit Campus). Faculty of Engineering
Email :
pornthip.kea@mahidol.ac.th
Name: P. Keangin
Organization :
Mahidol University. Faculty of Engineering
keyword:
Waste treatment
LCSH:
Infectious waste
LCSH:
Wave guides
Abstract:
Microwave energy is a new technology for the treatment of infectious waste. Microwave is used to heat and disinfect infectious waste. The development of equipment for treating infectious waste can be achieved through design processes that employ numerical methods. This study examines the influences of contaminants and waveguide positions on the temperature distribution of infectious waste within a waste treatment tank. The mathematical model consists of a cylindrical cavity, 2 rectangular waveguides, and infectious waste domains. The infectious waste domain uses materials as cotton balls and contaminated fluids are as normal saline solution (NSS) and blood to represent practical hospital applications. The model is considered porous media consisting of the solid phase (cotton balls that are contaminated with NSS and blood) and the fluid phase (air) flowing around through the solid phase. The model consists of an electromagnetic wave propagation analysis based on Maxwells equation, heat transfer analysis based on porous media with the local thermal equilibrium (LTE), and fluid flow analysis based on Brinkmans equation. The moving mesh technique is used to simulate the rotation of the domain, ensuring an even distribution of the waves. The results found that the temperature distribution of infectious waste domains containing blood contaminant is higher than the temperature distribution of infectious waste domains containing NSS contaminant. In addition, the position of the waveguides at an angle of 90 degrees to each other (WA1) affects the higher temperature distribution and higher sterilization efficiency when compared to the other position. This study provides a foundation for the design of future waste treatment tank equipment.
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2024
Modified:
2025-08-18
Issued:
2025-08-18
บทความ/Article
application/pdf
BibliograpyCitation :
In Thai Society of Mechanical Engineers (TSME) and Kasetsart University (KU). The 14th TSME International Conference on Mechanical Engineering (TSME-ICoME14 2024) (CST0017). Chonburi : Kasetsart University Sriracha Campus, 2024
eng
©copyrights King Mongkut's University of Technology North Bangkok
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0.032954 วินาที
K. Saetang
| Title | Contributor | Type |
|---|---|---|
| Effects of contaminants and waveguide positions on the temperature distribution and sterilization efficiency of infectious waste within a waste treatment tank
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ K. Saetang;P. Rattanadecho;P. Keangin | บทความ/Article |
P. Rattanadecho
| Title | Contributor | Type |
|---|---|---|
| Optimization of parameters for therapy breast cancer using laser combined with nanorods
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ P. Sermlao;N. Pannucharoewong;P. Rattanadecho ;S. Vongpradubchai;T. Tubtawee;T. Chabuanoi;P. Boontatao;C. Junthamart;S. Pansanga | บทความ/Article | |
| Effects of contaminants and waveguide positions on the temperature distribution and sterilization efficiency of infectious waste within a waste treatment tank
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ K. Saetang;P. Rattanadecho;P. Keangin | บทความ/Article | |
| A 3D mathematical model for improving microwave ablation efficiency in lung cancer therapy
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ W. Srimuang;P. Rattanadecho;P. Keangin | บทความ/Article |
P. Keangin
| Title | Contributor | Type |
|---|---|---|
| Effects of contaminants and waveguide positions on the temperature distribution and sterilization efficiency of infectious waste within a waste treatment tank
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ K. Saetang;P. Rattanadecho;P. Keangin | บทความ/Article | |
| A 3D mathematical model for improving microwave ablation efficiency in lung cancer therapy
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ W. Srimuang;P. Rattanadecho;P. Keangin | บทความ/Article |