Research on 1 kg MiniaturePulse Tube Cryocooler

Cryocoolers 20, edited by S.D. Miller, R.G. Ross, Jr. and J.R. Raab©¶International Cryocooler Conference, Inc., Boulder, CO, 2018 103

Figure 1. Physical model of pulse tube cryocooler.

(1)

Pm VmP™ VÉ™

àRa Xa

(2)

(3)

Welec R Ô I ¢¶ WPV

104 MICRO & MINIATURE 50 - 200 K 1- STAGE CRYOCOOLERS

Figure 2. PV power conversion efficiencychange with the elastic coefficient of plate spring

Figure 3. PV power conversion efficiencychange with the diameter of the piston

(4)

(5)

U™ I ™ R ÔVÉ™ P™

m k L ( B¶

l A c õ

(6)

(7)

RESEARCH ON 1 KG MINIATURE PT CRYOCOOLER 105

Figure 4. Compressor efficiency

Figure 5. Cooling performance of pulse tube cryocooler

106 MICRO & MINIATURE 50 - 200 K 1- STAGE CRYOCOOLERS

Figure 6. Pictures of miniature pulse tube cryocooler

Cryocooler 18

Cryocool-ers 18

J Acoust Soc Am

Journal of Engineering Thermophysics

7th International Cryocooler Conference Proceedings

RESEARCH ON 1 KG MINIATURE PT CRYOCOOLER 107