Experimental and CFD Investigation on Flow Behaviors of a NPP Pump under Natural Circulation Condition

Table 1

Classification of centrifugal pump head curve.

Pump feature	Head curve	Abscissa	Ordinate
Forward flow, forward rotation	HAN	v/α	h/α^2
	HVN	α/v	h/v^2
Reverse flow, forward rotation	HAD	v/α	h/α^2
	HVD	α/v	h/v^2
Reverse flow, reverse rotation	HAT	v/α	h/α^2
	HVT	α/v	h/v^2
Forward flow, reverse rotation	HAR	v/α	h/α^2
	HVR	α/v	h/v^2