Results 11 to 20 of about 12,663,341 (243)

Turbine cooling and heat transfer modelling for gas turbine performance simulation [PDF]

open access: yes, 2015
The successful design of cooling systems for gas turbine engines is a key factor to feasibility of new projects, as the trend for increasing turbine entry temperatures implies requirements for more sophisticated cooling methods.
Apostolidis, Asteris
core   +7 more sources

Sensitivity Studies of a Low Temperature Low Approach Direct Cooling Tower for Building Radiant Cooling Systems [PDF]

open access: yes, 2012
Recent interest in cooling towers as a mechanism for producing chilled water, together with the evolution of radiant cooling, have prompted a review of evaporative cooling in temperate maritime climates.
Nasrabadi, Mehdi   +2 more
core   +2 more sources

Comparison of Commonly Used Cooling Concepts for Electrical Machines in Automotive Applications

open access: yesMachines, 2022
The thermal design of electrical machines has numerous influencing factors. This paper compares different cooling methods, their volume flow rates and other machine parameters with regard to the continuous power of a PMSM.
Robert Lehmann   +3 more
doaj   +1 more source

Hydraulic and Thermal Engineering Calculation in the Laminar Mode of Operation of a Photoelectric Thermal Battary

open access: yesProceedings of the International Conference on Applied Innovations in IT, 2023
Efficient conversion of solar energy into electrical and thermal energy has become a major goal of researchers around the world. In this regard, the authors have developed photovoltaic thermal installations to efficiently convert solar energy into ...
Isroil Yuldoshev   +3 more
doaj   +1 more source

Cutting Forces and Chip Shaping When Finish Turning of 17-4 PH Stainless Steel under Dry, Wet, and MQL Machining Conditions

open access: yesMetals, 2020
This paper analyses three components of total cutting force and chip shape changes when finish turning 17-4 PH (precipitation hardening) stainless steel. A Finite Element Method (FEM) simulation of cutting forces was also performed using the Johnson–Cook
Kamil Leksycki   +4 more
doaj   +1 more source

On-chip micro-evaporation: Experimental evaluation of liquid pumping and vapor compression cooling systems [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Marcinichen, JB   +2 more
core   +6 more sources

Optimisation of Continuous and Pulsed Cooling in Injection Moulding Processes [PDF]

open access: yes, 2007
The concept of pulsed cooling in injection moulding involves cycling the flow of coolant in order that cooling only takes place as and when it is required, as opposed to continuous cooling, where the coolant in run through the channels throughout the ...
B. A. McCalla   +14 more
core   +1 more source

Assessment of Different Cooling Techniques for Reduced Mechanical Stress in the Windings of Electrical Machines

open access: yesEnergies, 2019
Thermal loading can induce mechanical stresses in the windings of electrical machines, especially those impregnated with epoxy resins, which is mostly the case in modern traction motors.
Bishal Silwal   +4 more
doaj   +1 more source

Performance of steel metal prepared using different welding cooling methods

open access: yesCase Studies in Construction Materials, 2022
Different welding cooling methods used in steel manufacturing confer different mechanical properties to the produced material. The use of the electric arc-type welding connections generates extremely high temperatures that alter the mechanical properties
Ahmed M. Sayed, Hani Alanazi
doaj   +1 more source

Pre-cooling for endurance exercise performance in the heat: a systematic review [PDF]

open access: yes, 2012
Background Endurance exercise capacity diminishes under hot environmental conditions. Time to exhaustion can be increased by lowering body temperature prior to exercise (pre-cooling).
Hemmings, S   +19 more
core   +2 more sources

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