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Solar Heater for Liquids


New Automatic Solar Heater of Flowing Liquid

Tech Area / Field

  • NNE-SOL/Solar Energy/Non-Nuclear Energy

3 Approved without Funding

Registration date

Leading Institute
Mirabel Ltd., Armenia, Yerevan


  • Johns Hopkins University / Whiting School of Engineering, USA, MD, Baltimore

Project summary

The aim of the project is the elaboration and the production of automatic solar heater of liquids for scientific, technical and every day purposes. The heater is designed to warm up liquids with the help of solar energy in real time. It also allows temperature regulation within previously assigned required limits.

The use of energy of circulating liquid for its automatic heating along with temperature control significantly simplifies both the design of the heater and its operation. Such a heater is not only very simple in operation, but also is efficient and environmentally safe.

Due to the application of new technology and high qualification of the personnel involved in the project the perspectives in its competitiveness seem to reassure us.

The following yet to be done:

– Computer modeling to optimize the characteristics and design of the heater for its application in various conditions and for different purposes.

– Developing solar heater pilot model.
– Defining the most favorable characteristics of solar energy concentrator, heat exchanger and temperature regulator.
– Improving the characteristics of the heater for different types of liquids.

Additionally, research work should be performed in the following directions:

– Application of various types of materials for concentrator’s and heat exchanger’s construction.

– Improvement in heater’s reliability to guarantee its high-quality operation.
– Increase in heater’s efficiency by means of new technical solutions.

The expected results are:

– Elaboration of new automatic heater of various flowing liquids.

– Development of different modifications of the heater depending on the application for scientific, technical or every day purposes.
– Improvement in the characteristics of the heater compared with the analogues, especially in its efficiency.

The future applied research areas are:

– Taking data to assess the relationship between the “output” temperature of the different liquids and the velocity of the liquids flowing through the heater.

– Revealing the possibilities of heater’s effective operation depending on the latitude of its location, altitude above sea level as well as the characteristics of the solar energy concentrator and the heat exchanger.
– Statistical analysis of the data.


The International Science and Technology Center (ISTC) is an intergovernmental organization connecting scientists from Kazakhstan, Armenia, Tajikistan, Kyrgyzstan, and Georgia with their peers and research organizations in the EU, Japan, Republic of Korea, Norway and the United States.


ISTC facilitates international science projects and assists the global scientific and business community to source and engage with CIS and Georgian institutes that develop or possess an excellence of scientific know-how.

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