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Why solar thermal saves so much energy…

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Evaporator

Compressor

Condenser

Staged Compression

System in normal run process

Assuming full load requirement, all compressors will run.

ExpansionValve

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Evaporator

ExpansionValve

Compressor

Condenser

The panel absorbs the UV radiance from the sun. The vacuum tubes become internally hot and therefore heat the refrigerant gas as it passes through

Staged Compression System with solar thermal compression

The Chemistry

When the sun heats the gas it is provided with thermal energy, which in turn raises the internal

energy (the sum of all microscopic kinetic and potential energy of the molecules). The

molecules move with a higher value of kinetic energy, which simply implies each molecule

moves with a higher velocity than before.

As the molecules collide with one another they rebound with higher energies, moreover intermolecular forces weaken and the molecules space out further which results in an increase in volume.

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Evaporator

Compressor

CondenserYielding a reduced energy demand, as the compressors begin to shut down as Solar compression takes over the load requirement

Most…if not all of the pressure produced from the additional heat is released in mass volume flow and therefore substantially increased molecular velocity

Staged Compression

ExpansionValve

Increasing the

ΔTbetween condensing

and ambient temperatures, effectively increasing the surface area of the condenser

System with solar thermal

No other system on the planet offers this kind of efficiency

Those who may be concerned how the condenser addresses any additional heat generated by Solar Thermal: First and foremost, the systems condenser is designed to manage the compressors running at full load. The reality is when the sun is in the sky (the time when most systems run at full load), the system will ensure that all compressors virtually never run at full load.

Of course it would be fantastic to achieve the additional efficiency without additional heat, but the additional heat is the price we pay in return for the higher efficiency. We actually want the heat from the solar panel, utilising the heat (temperature not pressure) we increase the gas molecules kinetic energy, hence increasing the mass volume flow, and additionally creating an improved Delta T therefore enhancing the efficiency of the heat exchanger (condenser).

All Refrigeration and A/C systems are manufactured to a very specific design point, e.g. for A/C systems ISO 5151. This point sets the capacities for the compressor, condenser and all other parts. The facts covered in the second paragraph above allows the system to easily cope with any additional heat, as is shown here and further clarified in third party testing data (T after condenser):

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Very important

10kW system without solar thermal

T-discharge

T-after condenser

10kW system with solar thermal

T-after panel

T-discharge

T-after condenser

Official testing data(there are many examples of official test data from around the world on our website, the following is just one small example)

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Solar thermal system

Non solar Inverter

Data Measurement

The illustration below demonstrates the energy usage on a solar thermal assisted DC inverter system in comparison to an identical A+ rated DC inverter system. A clear cut case of ‘the hotter it gets’ the less the system works’ – and as importantly the more the comparison A+ system works.

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The illustration below is a screenshot of the same live testing facility. Clearly demonstrating all relevant temperatures and pressure points around the system.

Data Measurement

Worldwide patent pending technology

The future of heating, cooling &

refrigeration…today!

Visit: www.solarcoolenergy.com