Encyclopaedia Index

TITLE : Natural cooling of PQFP array.

BY : CHAM Development Team - Sergei Zhubrin

DATE : 1999 FOR : Demonstration case

PHOENICS version: HOTBOX-99

DETAILS :

The array of six Plastic Quad Flat Packs mounted on conducting Printed Circuit Board is cooled down by natural convection.

The problem is to calculate the air flow field and temperature distributions in the air and solids with special attention to the temperature at the junctions of PQFP and PCB.

Pictures are as follows :