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Tutor profile: Kalpani H.

Kalpani H.
Tutor experience more than 7 years

Questions

Subject: Physics (Heat Transfer)

TutorMe
Question:

what is Nusselt number?

Kalpani H.
Answer:

The ratio between the convection heat transfer and conduction heat transfer at the fluid to the solid interface. we can calculate the Nusselt number using a set of equations for the desired case.

Subject: Physics (Fluid Mechanics)

TutorMe
Question:

what is the difference between steady and unsteady flow?

Kalpani H.
Answer:

In the steady flow, the velocity at the considered point does not change with time. However, unsteady flow velocity will change with time. simply the velocity of the steady flow is independent of the time and unsteady flow velocity is depending on time.

Subject: Mechanical Engineering

TutorMe
Question:

what are the factors that the efficiency of the central pumps depends on?

Kalpani H.
Answer:

The efficiency of the central pumps depends on size, speed, and type number.

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