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# Convective Heat Transfer

Heat transfer by convection

Thermal Elements

## Description

The Convective Heat Transfer block represents a heat transfer by convection between two bodies by means of fluid motion. The transfer is governed by the Newton law of cooling and is described with the following equation:

where

 Q Heat flow k Convection heat transfer coefficient A Surface area TA,TB Temperatures of the bodies

Connections A and B are thermal conserving ports associated with the points between which the heat transfer by convection takes place. The block positive direction is from port A to port B. This means that the heat flow is positive if it flows from A to B.

## Dialog Box and Parameters

Area

Surface area of heat transfer. The default value is 0.0001 m^2.

Heat transfer coefficient

Convection heat transfer coefficient. The default value is 20 W/m^2/K.

## Ports

The block has the following ports:

A

Thermal conserving port associated with body A.

B

Thermal conserving port associated with body B.