A Numerical Analysis of Flow Dynamics Improvement in a Blower via Simple Integration of Bell Mouth and Nose Cone Structures

Junseon Park, Jiun Yeom, Seongyeol Baeck, Seungjin Lee and Joong Yull Park ()
Additional contact information
Junseon Park: Department of Mechanical Engineering, Graduate School, Chung-Ang University, Seoul 06974, Republic of Korea
Jiun Yeom: Department of Mechanical Engineering, Graduate School, Chung-Ang University, Seoul 06974, Republic of Korea
Seongyeol Baeck: Department of Mechanical Engineering, Graduate School, Chung-Ang University, Seoul 06974, Republic of Korea
Seungjin Lee: Department of Mechanical Engineering, Graduate School, Chung-Ang University, Seoul 06974, Republic of Korea
Joong Yull Park: Department of Mechanical Engineering, Graduate School, Chung-Ang University, Seoul 06974, Republic of Korea

Energies, 2025, vol. 18, issue 7, 1-14

Abstract: Blowers, essential for aerator operation, are pivotal mechanical devices that induce airflow through an impeller. Extensive research has explored impeller geometrical parameters, such as size, angle, and blade count. However, limited attention has been paid to the synergic effect of optimizing the bell mouth of the blower inlet and the nose cone of the impeller eye. This study utilized computational fluid dynamics (CFDs) to analyze the impact of the bell mouth and nose cone on the blower through a geometric case study and evaluate the synergy between these components. A bell mouth decreases the wake by 91.76%, and a nose cone decreases the stagnation at the impeller eye and expands the effective impeller area by 76.29%. Moreover, this study demonstrated a significant synergistic effect between the bell mouth and nose cone, which reduced the head loss by 81.4% compared with the base model. This study presents a simple and effective method to improve blower efficiency and reduce power consumption by applying aerodynamically designed bell mouths and nose cones to blowers.

Keywords: computational fluid dynamics (CFDs); aerodynamics design; nose cone; bell mouth; blower design (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
References: Add references at CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/1996-1073/18/7/1830/pdf (application/pdf)
https://www.mdpi.com/1996-1073/18/7/1830/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:18:y:2025:i:7:p:1830-:d:1628212

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().