Fluid Solar will bring renewable solar thermal energy and low impact living spaces to one third of the worlds population in thirty years.

 

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Renewable Energy On Demand

5-250 kW system operating on solar heated thermal power, optimised to cover an inlet temperature range of 100 to 200 degrees Celsius, and a condenser operating temperature range of 45 to 60 degrees Celsius while holding the output shaft speed at 6600RPM. The multistage turbine is unique in its efficiency, compact design, cost effectiveness and operational reliability. Fluid Solar is providing a viable and reliable solution to reaching statewide energy targets with renewable energy substitution.

A Fluid Solar Hot Water Turbine can provide a versatile and economical energy generation solution, with innovative design measures optimising performance. 

 

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Specifications & Data

Renewable Energy On Demand Applications

Solar heated hot water is converted to very low-pressure steam in a partial pressure boiler and passed through this axial flow multistage turbine. The turbine is very like a modern jet engine, with multiple stages, using a pressure drop at each stage, to extract mechanical power from steam produced from stored solar heated water.

Large volumes of water can be heated year-round by the Fluid Solar patented concentrated solar thermal power (CSP) system that tracks the sun through the day and through the seasons, without requiring the use of moving parts( See Thermal Panel). Thermal energy collection is boosted to 50% efficiency. Energy is stored in hot water tanks (See Thermal Storage), for hours or even days. If required, large volume storage tanks permit massive quantities of solar thermal energy to be stored cheaply, for later use.The Fluid Solar low-pressure steam turbine converts some of this thermal energy into electricity than can meet base load electricity grid demands (See base load substitution).

This is the hybrid thermal and electrical generation technology that can replace nuclear or fossil fuel-fired electricity generation at lower costs. Conventional photovoltaic (PV) cells cannot meet on-demand electricity grid requirements outside the hours of maximum sunlight.Current battery technology remains too expensive to compete commercially with fossil fuel-fired electricity power generation.The rooftop area on conventional construction single and multi-story buildings is simply not sufficient to collect enough energy with PV cells that typically operate at 4-12% efficiency, to provide for the heating cooling and air conditioning demands of the building

These three issues represent a major technological impasse; preventing large-scale phasing out of fossil and nuclear powered electrical power generation. Fluid Solar Thermal technology permits large-scale, cost-effective collection and storage of solar thermal power for later use, on demand or at night.
Distributed collection of energy using Fluid Solar Thermal technology, stored as hot water and used "on location" can greatly reduce demand for grid power by making buildings largely energy self-sufficient, or net energy exporters to the grid.

Developed for generation of distinct energy from solar thermal, the turbine is suited for decentralised solar plants and waste heat recovery. Being operable at input temperatures below 100°C, the unit can effectively utilise excess process heat that would otherwise be wasted or increase the utility of non-concentrating solar thermal arrays. Ease of integration is ensured through the minimal unit dimensions.

 

Technical details of the Fluid Solar Hot Water Turbine

The turbine barrel, pictured above, is manufactured to a tolerance of 20 microns

Technical details

Dimensions

Applications

  Power output up to 110kW

  Inlet temperature between 100 and 200 degrees Celsius

  Exhaust pressure as low as -13.3psig or 1.4 psia

  Condensor (included) operates between 45 and 60 degrees celsius

 

1m x 0.7m x 2.6m

200kg

 

Solar thermal energy conversion

Decentralised solar plants

Waste heat recovery

 

Operational Method

One application to utilise this thermal energy is a patented super low pressure multi-stage axial flow turbine developed by Intex Holdings, designed to operate in a partial vacuum with input steam temperatures as low as 80C. The output from the turbine is condensed by a patent pending direct contact condenser system designed to operate with minimum pumping suction pressure as low as -13.3psig (1.4 psia, or around 45-55 C).

Solar heated hot water is converted to very low pressure steam in a partial pressure boiler, and passed through this axial flow multistage turbine. The turbine is very like a modern jet engine, with multiple stages, using a pressure drop at each stage, to extract mechanical power from steam produced from stored solar heated water. The turbine dry flashes steam at low temperature, with pressure utilised as motive fluid. The aerodynamic drag and turbulence losses are reduced in the partial vacuum operational condition.

As such the small diameter and low operating speed reduces blade stress, while the vertical orientation eliminates non-axial gravitational loads, allowing for fewer bearings and so minimising bearing losses while improving shaft stress and reliability.

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