{"id":140960,"date":"2025-10-20T09:31:33","date_gmt":"2025-10-20T07:31:33","guid":{"rendered":"https:\/\/www.velasolaris.com\/?post_type=funktionen&p=140960"},"modified":"2025-10-20T09:37:15","modified_gmt":"2025-10-20T07:37:15","slug":"solar-thermal-systems","status":"publish","type":"funktionen","link":"https:\/\/www.velasolaris.com\/en\/features\/solar-thermal-systems\/","title":{"rendered":"Solar Thermal Systems"},"content":{"rendered":"
Home<\/a><\/span> <\/i> Features<\/a><\/span> <\/i> Solar Thermal Systems<\/span><\/span><\/div>\n\n\n
\"Solarthermische<\/figure>\n\n\n\n

Solar Thermal Systems<\/h1>\n\n\n\n

The precise design and calculation of solar thermal systems are central to efficient heat supply concepts for buildings and districts. Key factors include the type and area of collectors, hydraulic integration, required flow temperature, and buffer storage sizing. In larger-scale projects\u2014such as multi-family residences, schools, commercial and industrial facilities, as well as local and district heating networks\u2014dynamic simulation of the entire system enables significant operating cost savings. This approach allows collector fields and storage to be tailored to site-specific demand and generation, ensures realistic assessment of solar coverage, and mitigates overheating risks. Additionally, variant-based planning reduces design risks and supports reliable decisions regarding cost-effectiveness, CO\u2082 reduction, and control strategies.<\/p>\n\n\n\n

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\"Solarthermie<\/figure>\n<\/div>\n\n\n\n
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Where Are Solar Thermal Collectors Used?<\/h2>\n\n\n\n

Solar thermal systems are used in a wide range of applications and play a key role in sustainable heat supply. Typical applications include domestic hot water heating in residential and commercial buildings, heating support for single- and multi-family homes, and heat supply for swimming pools, hotels, or commercial enterprises. Particularly in local heating networks and large-scale solar thermal systems, their high potential for CO\u2082 savings and cost reduction is utilized. Additionally, process heat in industrial companies is increasingly provided by solar thermal systems to replace fossil energy sources.<\/p>\n<\/div>\n<\/div>\n\n\n\n

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Flat-Plate Collectors<\/h3> <\/div>\n
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Flat-plate collectors are equipped with a flat, selectively coated absorber that\u2014glazed or unglazed\u2014converts solar radiation into heat for a circulating solar fluid, making them particularly suitable for domestic hot water and heating support in solar thermal systems.<\/p>\n<\/div>\n <\/div>\n\n <\/div>\n\t\t\t\t\t\t\t

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Evacuated Tube Collectors<\/h3> <\/div>\n
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Evacuated tube collectors use vacuum-insulated glass tubes with an absorber, significantly reducing heat losses and enabling high temperatures and yields even at low outdoor temperatures in solar thermal systems.<\/p>\n<\/div>\n <\/div>\n\n <\/div>\n\t\t\t\t\t\t\t

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Parabolic Trough Collectors<\/h3> <\/div>\n
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Parabolic trough collectors focus solar radiation onto a receiver tube using curved mirrors, generating high temperatures for applications such as process heat or large-scale solar thermal systems.<\/p>\n

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Solar Thermal Systems for Optimal Efficiency<\/h2>\n\n\n\n

To achieve efficient, cost-effective, and durable solar thermal systems, calculating the usable solar thermal yield is crucial. Key factors such as solar radiation, orientation, collector type, and application\u2014such as heating support or ground source loop regeneration\u2014must be considered to plan properly sized systems. Errors in planning or design lead to energy and financial losses as well as inadequate system performance. Professional software like Polysun incorporates local climate data, varying usage profiles, and specific building characteristics, enabling realistic yield forecasts and reliable sizing for optimal solar thermal efficiency.<\/p>\n<\/div>\n\n\n\n

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Why Do Customers Use Polysun for the Calculation of Solar Thermal Collectors?<\/h2>\n\n\n\n
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Yield calculation under realistic conditions<\/h3> <\/div>\n
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