Numerical Simulation of Flow Field in Air-Jet Loom Main Nozzle

• Autorzy: He Shanshan , Qian Yi , Xue Wenliang , Cheng Longdi

Identyfikatory

DOI

10.1515/aut-2018-0053

• Języki publikacji: EN

Abstrakty

EN

To improve airflow injection capacity of the main nozzle and decrease backflow phenomenon, a new main nozzle structure with two throats is designed. Negative pressure value and negative pressure zone length are first proposed evaluating the strength of backflow phenomenon. Commercial computational fluid dynamic (CFD) code “Fluent” is performed to simulate the flow field inside and outside the main nozzle. Exit velocity increases about 10 m/s in new main nozzle. Airflow core length of the new main nozzle is 35% higher than that of commonly used main nozzle. Smaller negative pressure value and shorter negative pressure zone length mean a weaker backflow phenomenon in the new main nozzle. Bigger air drag force indicates stronger weft insertion ability in the new main nozzle.

Słowa kluczowe

EN

weft insertions; main nozzle; throat structure; air-jet loom; numerical simulation

PL

wątkowanie; dysza główna; krosno pneumatyczne; symulacja numeryczna

• Wydawca: Lodz University of Technology, Faculty of Material Technologies and Textile Design
• Czasopismo: Autex Research Journal
• Rocznik: 2019
• Tom: Vol. 19, no. 2
• Strony: 181--190
• Opis fizyczny: Bibliogr. 20 poz.

Twórcy

autor

He Shanshan

• Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China

autor

Qian Yi

• Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China

autor

Xue Wenliang

• Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China

autor

Cheng Longdi

• Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).