Imperial College London
Alternate

Dr Antonis Sergis

Faculty of Engineering, Department of Mechanical Engineering

Lecturer
 
 
 
//

Contact

 

a.sergis09 Website

 
 
//

Assistant

 

Ms Eniko Jarecsni +44 (0)20 7594 7029

 
//

Location

 

619City and Guilds BuildingSouth Kensington Campus

//

Summary

 

Publications

Citation

BibTex format

@inproceedings{Sergis:2015:10.1016/j.fusengdes.2015.04.029,
author = {Sergis, A and Resvanis, K and Hardalupas, Y and Barrett, T},
doi = {10.1016/j.fusengdes.2015.04.029},
pages = {353--356},
publisher = {Elsevier},
title = {Comparison of Measurements and Computations of Isothermal Flow Velocity inside HyperVapotrons},
url = {http://dx.doi.org/10.1016/j.fusengdes.2015.04.029},
year = {2015}
}
Download

RIS format (EndNote, RefMan)

TY  - CPAPER
AB  - HyperVapotrons are two-phase water-cooled heat exchangers able to receive high heat fluxes (HHF) by employing a cyclic phenomenon called the "Vapotron Effect". HyperVapotrons have been used routinely in HHF nuclear fusion applications. A detailed experimental investigation on the effect giving rise to the ability to sustain steady state heat fluxes in excess of 10MW/m2 has not yet been possible and hence the phenomenon is not yet well understood. The coolant flow structures that promote the effect have been a major point of interest, and many investigations based on Computational Fluid Dynamic (CFD) simulations have been performed in the past. The understanding of the physics of the coolant flow inside the device may hold the key to further optimisation of engineering designs. However, past computational investigations have not been experimentally evaluated. Isothermal flow velocity distribution measurements of the fluid flow in HyperVapotron optical models with high spatial resolution are performed in this paper. The same measurements are subsequently calculated via commercial CFD software. The isothermal CFD calculation is compared to the experimental velocity measurements to deduce the accuracy of the CFD investigations carried out. This unique comparison between computational and experimental results in HyperVapotrons will direct future efforts in analysing similar devices.
AU  - Sergis,A
AU  - Resvanis,K
AU  - Hardalupas,Y
AU  - Barrett,T
DO  - 10.1016/j.fusengdes.2015.04.029
EP  - 356
PB  - Elsevier
PY  - 2015///
SN  - 1873-7196
SP  - 353
TI  - Comparison of Measurements and Computations of Isothermal Flow Velocity inside HyperVapotrons
UR  - http://dx.doi.org/10.1016/j.fusengdes.2015.04.029
UR  - http://hdl.handle.net/10044/1/23349
ER  -
Download