초록 ▼

A method by which the heat transfer quality of a cooled gas engine component can be quantified for inspection purposes. A system is utilized to determine the heat transfer performance of an internally cooled structure, by analyzing the transient thermal response of the structure based upon a full fi

A method by which the heat transfer quality of a cooled gas engine component can be quantified for inspection purposes. A system is utilized to determine the heat transfer performance of an internally cooled structure, by analyzing the transient thermal response of the structure based upon a full field surface temperature measurement using an infrared thermal imaging system.

대표청구항 ▼

1. A method, comprising:providing a component having an internal passage adapted for the passage of a cooling media; heating the component; flowing the cooling media through the internal passage after said heating; evaluating the surface of the component with an infrared thermal imaging device durin

1. A method, comprising:providing a component having an internal passage adapted for the passage of a cooling media; heating the component; flowing the cooling media through the internal passage after said heating; evaluating the surface of the component with an infrared thermal imaging device during said heating and flowing; acquiring transient surface temperature data of the component in a pixel format by using the infrared thermal imaging device; converting the transient surface temperature data into a processing data format including time, temperature, and x,y location; processing the processing data in a transient heat balance equation to obtain convective heat transfer coefficients for each pixel and time increment; and time averaging the heat transfer coefficients for each pixel.