Journals / Isı Bilimi ve Tekniği Dergisi / 2016 / Cilt: 36 - Sayı: 2

BASİTLEŞTİRİLMİŞ BİR ÖN CAMDA SİLECEK GEOMETRİSİNE ETKİ EDEN KALDIRMA KUVVETLERİNİN AZALTILMASINA YÖNELİK GEOMETRİK DEĞİŞİKLİKLER

GEOMETRIC MODIFICATIONS TO MINIMIZE LIFT ACTING ON A SIMPLIFIED FRONT WINDSHIELD WIPER BLADE

Pages
103–109
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The inference of the investigated geometric modifications is then proposed as a useful wiper prototype which can be applied to minimize lift forces at relatively high speeds

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this numerical study, aerodynamic lift and drag forces acting on windshield wipers operating on a simplified front windshield of a car are investigated.
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Key Findings & Data:Geometric modifications including spoiler curvature, total wiper height and connection between metal part and spoiler of the wiper are tested with the aim to reduce lift forces acting on the front windshield wiper blades at high speeds such as 240 km/h.
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Conclusion & Impact:The inference of the investigated geometric modifications is then proposed as a useful wiper prototype which can be applied to minimize lift forces at relatively high speeds
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this numerical study, aerodynamic lift and drag forces acting on windshield wipers operating on a simplified front windshield of a car are investigated. Geometric modifications including spoiler curvature, total wiper height and connection between metal part and spoiler of the wiper are tested with the aim to reduce lift forces acting on the front windshield wiper blades at high speeds such as 240 km/h. The inference of the investigated geometric modifications is then proposed as a useful wiper prototype which can be applied to minimize lift forces at relatively high speeds

Özet

Bu sayısal çalışmada basitleştirilmiş bir araç ön cam geometrisinde sileceklere etkiyen aerodinamik direnç ve kaldırma kuvvetleri incelenmiştir. Sileceklere 240 km/h gibi yüksek hızlarda etkiyen kaldırma kuvvetini azaltmak için farklı rüzgârlık profilleri, silecek yüksekliği ve sileceğin rüzgârlık ile metal parçası arasında olan bağlantı şekilleri incelenmiştir. İncelenen geometrik özellikler daha sonra birleştirilerek yüksek hızlarda kaldırma kuvvetlerini azaltma bağlamında faydalı olabilecek yeni silecek geometrileri önerilmiştir

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Cite This Article

GUNES, H., CADIRCI, S., AK, S. E., SELENBAS, B. (2022). BASİTLEŞTİRİLMİŞ BİR ÖN CAMDA SİLECEK GEOMETRİSİNE ETKİ EDEN KALDIRMA KUVVETLERİNİN AZALTILMASINA YÖNELİK GEOMETRİK DEĞİŞİKLİKLER. Isı Bilimi ve Tekniği Dergisi, Cilt: 36 - Sayı: 2, 103–109. https://ajindex.com/articles/542521

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References (4)

  1. Billot, P., Jallet, S., and Marmonier, F., 2001, "Simulation of aerodynamic uplift consequences on pressure repartition-Application on an innovative wiper blade design", SAE Technical Paper 2001-01-pp.1043. Clarke, J. S. and Lumley, R. R., 1960, "Problems Associated with Windscreen Wiping", SAE Technical Paper No. 600134. Dawley, M. W.,1965, "Aerodynamic Effects on Automotive Components", SAE Technical Paper No. 650134. Gaylard, A. P., Wilson,A. C., and Bambrook, G. S. J., 2006, "A Quasi-Unsteady Description of Windscreen Wiper Induced Flow Structures",6thMIRA International Vehicle Aerodynamics Conference, 25-26
  2. October, Gaydon, UK. Jallet, S., Devos, S., Maubray, D., Sortais, J-L,Marmonier, F., and Dreher, T., 2001,"Numerical simulation of wiper system aerodynamic behavior",SAE Technical Paper No. 2001-01-0036.
  3. Lee, S. H., Lee, S. W., Lee, S. H., Hur, N., Choi, W., Sul, J.,2011,"A Numerical Study on the Aerodynamic Lift of the Windshield Wiper of High-speed Passenger Vehicles",Transactions of the Korean Society of Mechanical Engineers B, 04/2011, 35(4), pp.345-352.
  4. Yang, Z. G., Ju, X. M., and Li, Q. L.,2011,"Numerical Analysis on Aerodynamic Forces on Wiper System"Proceedings of the Sixth International Conference on Fluid Mechanics, AIP Conf. Proc1376, 30 Guangzhou, China,pp.213-21