What Is Radiant Infrared Tube Heating?

 

Radiant Infrared energy is the oldest form of heating used to provide heating comfort. Radiant tube heaters deliver the heat to the ground level verses heating the surrounding air. Using a Radiant Tube Heater takes advantage of this principle, heating like the sun.  The radiant energy that is radiated from the radiant tube heater is absorbed by floor and objects within a room without physical contact with the heat source.  The heating of the air within a building when using radiant tube heater is primarily done by the largest mass or heat sink in a building, the floor.  Additional heating benefits are provided by the other masses with in a building tables, inventory, cars, ect… This method of heating keeps the heat where you need it down by the floor.  This all translates into better comfort, more efficient heating, and a lower cost of heating.

 

Step one: Radiant Infrared Heat has its origins dating back to the begining of time.

Step two: Taking this to the next step simulating the suns radaint energy using an uncontrolled radaint tube heaters.

How radiant heat from the sun warms the earth Radiant Tube heater Uncontrolled Radian infrared Heat

Step three: Systems that take advantage of this principle are the OMEGA II and REFLECT-O-RAY Radiant infrared heating systems. You can find a representative by clicking here or if you are looking for specifications for radiant heating tubes click here for Omega II radiant tube heater specifications or click here for Reflect-O-Ray tube heater specifications.

Radiant tube heaters operate by vacuum (negative) or power (positive) pressure. The radiant energy produced is then directed downward by the reflectors positioned above the radiant tubes. In general vacuum pressure systems are more efficent then Power pressure systems


Controlled Radiant Tube heater

 

Forced Air vs Radiant tube heaters

When using radaint tube heaters over forced air heaters you can expect to save 30%-50% in your energy Bills!

 

 

Now the technical science stuff on the how's and why's of Radiant Infrared Energy...

The Science...
The Stefan–Boltzmann law describes the power radiated from a black body in terms of its temperature. Specifically, the Stefan–Boltzmann law states that the total energy radiated per unit surface area of a black body across all wavelengths per unit time (also known as the black-body radiant exitance or emissive power), j^{\star}, is directly proportional to the fourth power of the black body's thermodynamic temperature T:

j^{\star} = \sigma T^{4}.

The constant of proportionality σ, called the Stefan–Boltzmann constant derives from other known constants of nature. The value of the constant is

\sigma=\frac{2\pi^5 k^4}{15c^2h^3}= 5.670373 \times 10^{-8}\, \mathrm{W\, m^{-2}K^{-4}},

where k is the Boltzmann constant, h is Planck's constant, and c is the speed of light in a vacuum. Thus at 100 K the energy flux is 5.67 W/m2, at 1000 K 56,700 W/m2, etc. The radiance (watts per square metre per steradian) is given by

L = \frac{j^{\star}}\pi = \frac\sigma\pi T^{4}.

A body that does not absorb all incident radiation (sometimes known as a grey body) emits less total energy than a black body and is characterized by an emissivity, \varepsilon < 1:

j^{\star} = \varepsilon\sigma T^{4}.

The irradiance j^{\star} has dimensions of energy flux (energy per time per area), and the SI units of measure are joules per second per square metre, or equivalently, watts per square metre. The SI unit for absolute temperature T is the kelvin. \varepsilon is the emissivity of the grey body; if it is a perfect blackbody, \varepsilon=1. In the still more general (and realistic) case, the emissivity depends on the wavelength, \varepsilon=\varepsilon(\lambda).

To find the total power radiated from an object, multiply by its surface area, A:

P= A j^{\star} = A \varepsilon\sigma T^{4}.

Wavelength- and subwavelength-scale particles,[1] metamaterials,[2] and other nanostructures are not subject to ray-optical limits and may be designed to exceed the Stefan–Boltzmann law.

Reference: Stefan–Boltzmann law

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