The phrase "a persistent flow" is correct and usable in written English.
It can be used to describe a continuous and unchanging movement or stream of something, such as water, information, or emotions.
Example: "The river maintained a persistent flow, even during the dry season, ensuring that the surrounding ecosystem thrived."
Alternatives: "an ongoing stream" or "a constant flow".
There is a persistent flow of bad news from Afghanistan — military losses, scandalous incidents involving NATO soldiers, terrorist activity and the suffering of civilians.
Discharge estimates based on sedimentary structures preserved in the alluvial-plain facies suggest that the channel had a persistent flow, with a low width depth ratio and large meander wavelength.
One Congressional official familiar with the intelligence said that the Pakistanis "went to the Chinese and said, 'We know you have this agreement with the Americans, but we really need your help.' " Since then, American intelligence agencies have detected a persistent flow of aid to Pakistan.
What sets a superconductor apart from a conventional conductor is that, in the latter, you have to apply a potential between two different points to run a current through, but in the former, you can just set in motion the current and then remove the voltage, leave the system as is, and there will be a persistent current flowing through the material.
The ultimate goal of this research effort is to elucidate how a persistent current, or supercurrent, flows around non-superconducting regions hosting competing phases, when the latter start to proliferate near critical conditions.
So companies receive by this method an uninterrupted, or "persistent," flow of information, which they then analyze and communicate internally.
Evidence shows that the LMRs were formed by the early Holocene strata being scoured by a persistent southeasterly flowing current during ~ 8 10 ka BP.
"Submarine" moves quickly, but it's precise and often very witty, with a persistent lyrical flow that evens out the sharp, brief scenes.
As the winds travel from areas of higher pressure to areas of lower pressure, a persistent onshore flow develops over large landmasses in the lower troposphere.
Over Asia in particular, the cold high-pressure system is sufficiently permanent that a persistent offshore flow called the winter monsoon occurs.
Endoleak is defined as a persistent blood flow within the sac excluded from the stent-graft, and it occurs in 2.4 45.5 % of patients after EVAR [15].
