AORTİK DAMARDA FARKLI KALP ATIM HIZLARININ KAN AKIŞ DINAMİĞİ ÜZERİNDEKİ ETKİLERİNİN SAYISAL ANALİZİ

Arif Çutay; Özdeş Çermik

doi:10.17780/ksujes.1666878

EN TR

NUMERICAL ANALYSIS OF THE EFFECTS OF DIFFERENT HEART RATES ON BLOOD FLOW DYNAMICS IN THE AORTIC VESSEL

Abstract

The effects of varying heart rates (HR50–HR110) on aortic hemodynamic parameters were investigated using computational fluid dynamics (CFD) methods. A rigid wall assumption was employed in the simulations, and one-way flow analyses were carried out. Time-dependent velocity profiles at the outlets of the brachiocephalic, left common carotid, left subclavian, and abdominal aorta were evaluated along with corresponding pressure and wall shear stress (WSS) distributions. Increasing heart rate resulted in noticeable changes in both outlet flow characteristics and mechanical loading on the vessel wall, with earlier and higher peak values observed under elevated HR conditions. Wave propagation and reflection effects became more pronounced during the post-systolic phase, leading to temporal shifts in both pressure and WSS profiles. These findings highlight the direct influence of heart rate variability on flow dynamics and wall mechanics and underline the utility of rigid wall modeling for investigating fundamental wave phenomena

Keywords

Kaynakça

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Ayrıntılar

Birincil Dil

Türkçe

Konular

Makine Mühendisliğinde Sayısal Yöntemler

Bölüm

Araştırma Makalesi

Yazarlar

Arif Çutay ^*
0000-0002-0057-9417
Türkiye

Özdeş Çermik
0000-0001-9308-4589
Türkiye

Yayımlanma Tarihi

3 Haziran 2025

Gönderilme Tarihi

27 Mart 2025

Kabul Tarihi

25 Nisan 2025

Yayımlandığı Sayı

Yıl 1970 Cilt: 28 Sayı: 2

DOI

https://doi.org/10.17780/ksujes.1666878

IZ

https://izlik.org/JA44TY93GB

Kaynak Göster

RIS / Bibtex

APA

Çutay, A., & Çermik, Ö. (2025). AORTİK DAMARDA FARKLI KALP ATIM HIZLARININ KAN AKIŞ DINAMİĞİ ÜZERİNDEKİ ETKİLERİNİN SAYISAL ANALİZİ. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, 28(2), 1064-1080. https://doi.org/10.17780/ksujes.1666878

NUMERICAL ANALYSIS OF THE EFFECTS OF DIFFERENT HEART RATES ON BLOOD FLOW DYNAMICS IN THE AORTIC VESSEL

Abstract

Keywords