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intercooling
The microstructure of three 12 pct cr steel weld metals with different nickel and nitrogen contents was studied in as-welded condition and after postweld heat treatment with and without intercooling.
      
In weld metals heat treated without intercooling, austenite decomposed by a eutectoid reaction that resulted in M23C6 aggregates around retained δ-ferrite.
      
In weld metals heat treated with intercooling, M23C6 precipitates were smaller and more homogeneously distributed.
      
Intercooling treatment improved Charpy impact toughness of the 12 pct Cr steel weld metals substantially.
      
It was found that the important microstructural factors affecting the impact toughness of the weld metals which were heat treated without intercooling were the sizes of the α-ferrite grains, nonmetallic inclusions, and M23C6 aggregates.
      
For the weld metals heat treated with intercooling, the factors which affect the toughness of the weld metals were the sizes of martensite packets and nonmetallic inclusions.
      
Fuel intercooling and wave rotors could be used in conjunction in the same engine to enhance performance.
      
Hence intercooling was dismissed due to the associated large volumes between the engine and compressor and regulated upstream throttle location.
      
Intercooling is used to avoid excessively high inlet charge temperatures.
      
Intercooling between the compressor and the intake manifold may be used to further increase the cylinder charge density.
      
Intercooling exhibited the potential to decrease knock tendency due to reduced intake charge temperatures.
      
To determine the MEP and the effect of intercooling 5.
      
The compressor intercooling maintains combustion air temperature within required limit and increases overall cycle efficiency.
      
The performance of the engine may be enhanced with the use of a turbo compressor and intercooling without increasing fuel consumption.
      
 

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