Major Achievements and Prospect of the ATLAS Integral Effect Tests

Table 1

Scaling table of the ATLAS facility.

Parameters	Scaling law	ATLAS design
Length	𝑙OR	1/2
Diameter	𝑑OR	1/12
Area	𝑑^2OR	1/144
Volume	𝑙OR𝑑^2OR	1/288
Velocity	𝑙^1/2OR	1/√2
Time	𝑙^1/2OR	1/√2
Flow rate	𝑙^1/2OR𝑑^2OR	1/203.6
Core ΔT	Δ𝑇OR	1
Core power	𝑙^1/2OR𝑑^2OR	1/203.6
Heat flux	1/𝑙^1/2OR	√2
Power/volume	1/𝑙^1/2OR	√2
Pressure drop	𝑙OR	1/2
Pump head	𝑙OR	1/2
Core rod diameter	1	1
SG U-tube diameter	𝑙^1/2OR	1/√2
No. of core rods	𝑑^2OR	1/144
No. of SG U-tubes	𝑁OR	1/72
SG U-tube heat transfer area	𝑙OR𝑙^1/2OR𝑁OR	1/203.6