Published 03/24/2022 at 632 × 390 in Improving Heat Transfer and Reducing Mass in a Gasoline Piston Using Additive Manufacturing Figure 2. Heat flow ratio distribution for a spray jet cooled diesel piston (left) and with a cooling channel (right) [1] Figure 2. Heat flow ratio distribution for a spray jet cooled diesel piston (left) and with a cooling channel (right) [1]