[HTML][HTML] Thermal-frictional behavior of new special shape twisted tape and helical coiled wire turbulators in engine heat exchangers system

J Luo, A Alghamdi, F Aldawi, H Moria, A Mouldi… - Case Studies in Thermal …, 2024 - Elsevier
This study proposes a novel twisted tape turbulator with a unique DNA-like shape, referred
to as the special shape twisted tape turbulator (SSTT), to augment the heat transfer …

Heat transfer enhancement of a heat exchanger using novel multiple perforated magnetic turbulators (MPMT): An experimental study

C Pan, AM Alqahtani, H Wei, N Sulaiman… - International Journal of …, 2024 - Elsevier
The magnetic turbulator and electromagnetic vibration (EMV) methods have recently been
employed to enhance heat transfer in heat exchangers. This method involves placing a …

[HTML][HTML] Heat transfer, pressure drop, and economic analysis of a tube with a constant temperature equipped with semi-circular and teardrop-shaped turbulators

Y Fang, IB Mansir, A Shawabkeh, A Mohamed… - Case Studies in Thermal …, 2022 - Elsevier
The effect of using innovative turbulator geometry, such as semi-circular and teardrop-
shaped turbulators, on heat transfer and pressure drop has been studied for the first time in …

Heat transfer enhancement of a copper tube with constant wall temperature using a novel horizontal perforated teardrop-shaped turbulators (PTST)

H Wang, AM Abed, A Al-Zubaidi, A Deifalla… - International Journal of …, 2023 - Elsevier
Considering that turbulators generally have a high pressure drop level and as a result low
thermal performance, in this research a numerical study conducted for a new form of …

[HTML][HTML] Hydro-thermal and economic analyses of the air/water two-phase flow in a double tube heat exchanger equipped with wavy strip turbulator

J Zhao, SA Reda, KS Al-Zahrani, PK Singh… - Case Studies in Thermal …, 2022 - Elsevier
For the first time in this study, three different heat transfer enhancement methods including
bubble injection into the working fluid, wavy strip turbulator (WST) utilization in the inner …

Experimental Study of the hydrothermal characteristics of copper tube in the presence of the multi-string and multi-strip magnetic turbulator

K Sun, D Liu, IB Mansir, X Chen, C Guo, W Zhao… - Applied Thermal …, 2023 - Elsevier
Electromagnetic vibration (EMV) is a novel active method to enhance heat transfer in heat
exchangers. This method installs a magnetic turbulator vibrating at a specific frequency …

[HTML][HTML] Heat transfer augmentation in a double pipe heat exchanger by tandem utilization of bubble injection and novel magnetic turbulators methods

AM Abed, BS Chauhan, H Ayed, A Mouldi… - Case Studies in Thermal …, 2024 - Elsevier
For the purpose of enhancing the thermal efficiency of double-tube heat exchangers, a new
technique has been implemented. By integrating a vibrating turbulator and bubble injection …

Improving the thermal performance of the heat exchanger through simultaneous utilization of novel magnetic turbulators and helical coil wire turbulators

B Yao, AM Alqahtani, W Deebani, M Shutaywi… - International Journal of …, 2024 - Elsevier
In this study, the effect of simultaneously using two active and passive methods, namely the
magnetic turbulator and the helical coil wire (HCW) turbulator, on the hydrothermal …

Enhancing the efficiency of a double tube heat exchanger via a novel vibrating woven wire turbulator combined with a helical coiled wire; an experimental study

NB Khedher, SAM Mehryan, M Medani… - Applied Thermal …, 2024 - Elsevier
Vibrating turbulators have emerged as innovative methods for enhancing heat transfer in
heat exchangers over the past two years. Previous studies have mainly employed string or …

[HTML][HTML] Hydrothermal performance analyses of an isothermal tube with punched twisted tape turbulator (PTT)

AM Abed, BS Chauhan, H Ayed, A Mouldi… - Case Studies in Thermal …, 2024 - Elsevier
This study represents a pioneering investigation into the impact of a punched twisted tape
turbulator on the hydrothermal parameters of a pipe operating under constant surface …