Convective Heat Transfer

Heat transfer by convection

Library

Thermal Elements

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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:

$$Q=k·A·(T_A-T_B)$$

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.

Variables

To set the priority and initial target values for the block variables prior to simulation, use the Variables tab in the block dialog box (or the Variables section in the block Property Inspector). For more information, see Set Priority and Initial Target for Block Variables.

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.

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using Simulink® Coder™.