User profiles for Ahmed Alammar

Ahmed Alammar

- Verified email at ksu.edu.sa - Cited by 470

Ahmed Alammar

- Verified email at bham.ac.uk - Cited by 343

Numerical investigation of effect of fill ratio and inclination angle on a thermosiphon heat pipe thermal performance

AA Alammar, RK Al-Dadah, SM Mahmoud - Applied Thermal Engineering, 2016 - Elsevier
Computational Fluid Dynamic (CFD) modelling of a heat pipe is a powerful tool that can be
used to investigate the complex physical phenomena of the evaporation and condensation …

Numerical investigation of PCM melting using different tube configurations in a shell and tube latent heat thermal storage unit

MS Mahdi, HB Mahood, AA Alammar… - Thermal Science and …, 2021 - Elsevier
Thermal energy storage plays an essential role in energy systems to reduce the mismatch
between the energy supply and demand. Phase change materials are widely used in different …

Enhancing thermal performance of a two-phase closed thermosyphon with an internal surface roughness

AA Alammar, FN Al-Mousawi, RK Al-Dadah… - Journal of cleaner …, 2018 - Elsevier
Enhancement of energy conversion devices has become an important task to reduce size and
cost, and design efficient systems. In this work, enhancement of heat transfer performance …

Effect of inclination angle and fill ratio on geyser boiling phenomena in a two-phase closed thermosiphon–experimental investigation

AA Alammar, RK Al-Dadah, SM Mahmoud - Energy conversion and …, 2018 - Elsevier
Geyser boiling is a complex phenomenon which may occur in heat pipes causing high
temperature and pressure oscillation leading to noticeable vibration. Therefore, understanding of …

Experimental investigation of the influence of the geyser boiling phenomenon on the thermal performance of a two-phase closed thermosyphon

AA Alammar, RK Al-Dadah, SM Mahmoud - Journal of cleaner production, 2018 - Elsevier
Heat pipes' thermal performance can be greatly affected by the occurrence of geyser boiling,
a phase-changing phenomenon. Thus, it is important to investigate the effect of such a …

[HTML][HTML] Effect of inhaled fluticasone propionate on laryngotracheal stenosis after balloon dilation: a randomized controlled trial

…, M Almohizea, M Bukhari, A Alammar - European Archives of …, 2021 - Springer
Purpose Laryngotracheal stenosis describes various airflow compromising conditions
leading to laryngeal and tracheal narrowing, including subglottic and tracheal stenosis. Direct …

Is adenotonsillectomy effective in improving central apnea events in patients with obstructive sleep apnea? A systematic review and meta-analysis

…, A Zakzouk, A Aljasser, A Alammar - European Archives of …, 2023 - Springer
Purpose To evaluate the effects of adenotonsillectomy on improving central sleep apnea
events in children with obstructive sleep apnea (OSA). Methods We searched four online …

Use of dexamethasone to reduce postoperative vomiting and pain after pediatric tonsillectomy procedures.

…, MA Shaikh, RA Ahmad, AY Alammar - Saudi medical …, 2004 - europepmc.org
Objective The purpose of this study is to determine whether a single dose of dexamethasone
0.5 mg/kg administered before surgery could decrease post operative vomiting and pain …

Numerical study of thermal performance of a PCM in a modifying tube-bundle latent heat thermal storage

…, AH Sayer, AA Khadom, Y Rghif, AA Alammar… - Thermal Science and …, 2024 - Elsevier
The main aim of this study is to numerically investigate the thermal performance of a newly
designed modifying tube-bundle Latent Heat Thermal Storage (LHTS). The new LHTS design …

Monopolar electrodissection versus cold dissection tonsillectomy among children.

MA Bukhari, AY Al-Ammar - Saudi medical journal, 2007 - europepmc.org
Objective To compare cold dissection to monopolar tonsillectomy in terms of operative time,
intraoperative bleeding, post operative bleeding, and pain. Methods The study included 100 …