F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
F02F1/00—Cylinders; Cylinder heads
F02F1/24—Cylinder heads
F02F1/26—Cylinder heads having cooling means
F02F1/36—Cylinder heads having cooling means for liquid cooling
F02F1/365—Cylinder heads having cooling means for liquid cooling the cylinder heads being of side valve type
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Procédé de mesure de la composition spectrale du rayonnement lumineux diffusé par une surface colorée opaque, et appareil pour la mise en oeuvre de ce procédé