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Directional Effects of Effusion Cooling on the Cooling Film Effectiveness

AIAA Journal, 2021
Effusion cooling in gas turbine combustors is complicated by swirling flows for anchoring flame, whereas miniature effusion cooling jets are highly directional.
Leo C. Paitich   +5 more
openaire   +1 more source

Pulse Shape Effects in Electrocaloric Cooling

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2021
We report on the solution of the heat equation, which describes the electrocaloric effect in a ferroelectric layer. The dependence of the heat flux at the layer interface and the thermodynamic efficiency on the shape and frequency of the applied pulse is investigated.
Ivan A. Starkov   +2 more
openaire   +2 more sources

Effective Passive Cooling During Neonatal Transport

Therapeutic Hypothermia and Temperature Management, 2022
We retrospectively evaluated the rectal temperature of 297 hypoxic-ischemic encephalopathy (HIE) outborn newborns who were passive-cooling transported by Neonatal Emergency Transport Service (Genoa and Rome, Italy) at their arrival in Neonatal Intensive Care Unit. By a total of 1461 transports, 297 were for suspected HIE.
Bellini, Carlo   +2 more
openaire   +3 more sources

FILM COOLING EFFECTIVENESS

Transactions of the Canadian Society for Mechanical Engineering, 1991
Measurements of the flow field and film cooling effectiveness downstream of a two-dimensional inclined slot were made. A two-dimensional numerical model solving the transport equations in curvilinear orthogonal coordinate system was developed to simulate film cooling process. Comparisons were made between numerical and experimental results.
I. Gartshore, M. Salcudean, P. Matys
openaire   +1 more source

Subminiature Cool Pad Applying Sorption Cooling Effect

HVAC&R Research, 2006
This paper describes the conceptual development and idea verification of a subminiature portable cooler that does not necessitate any precooling nor any external energy supply during the process of cooling. The basic principle of the cooling mechanism is the vaporization of water and subsequent cooling due to the evaporative latent heat loss.
Dae-Young Lee, Yong-Sheen Hwang
openaire   +1 more source

Cooling Effectiveness on Film Cooled Turbine Blades

Heat Transfer: Volume 5 — Computational, Aerospace and Environmental Heat Transfer, 2001
Abstract This paper presents experiments on the cooling effectiveness obtained for two different injection locations on the suction side of a turbine blade at transonic flow conditions. Previous results of a computational analysis and flow visualization indicated that a separation bubble is present on the suction side at a location x/L =
M. Derrar, J. Nagler, W. W. Koschel
openaire   +1 more source

Oil Cooling - Its Effect on Engine Cooling Systems

SAE Technical Paper Series, 1963
<div class="htmlview paragraph">Selection of a water or air cooling medium for engine systems depends on the availability of the medium, the design of the engine, and the conditions under which the system operates. This article presents a number of cases for both water and air cooled systems, compares their characteristics, and describes the ...
H. D. Huggins, Nelson Jarrett
openaire   +1 more source

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