S

SolTrace 1.0

NREL  ❘ Freeware

Optimize Your Solar Energy Designs with SolTrace

Minh Ong

SolTrace is an advanced software tool developed by NREL for simulating the optical performance of solar energy systems, providing detailed insights to improve design efficiency.
2025 Editor's Rating
SolTrace by the National Renewable Energy Laboratory (NREL) is a powerful software tool for modeling and analyzing concentrated solar power (CSP) systems, particularly parabolic troughs and linear Fresnel collectors. Its user-friendly interface allows users to define various system configurations, including mirrors, absorbers, and receivers. SolTrace can also simulate the effects of shading and misalignment on the system's performance.

One of the key features of SolTrace is its ray-tracing capability, which can determine how solar radiation will behave when it interacts with a given system. It can also provide detailed information on the concentration distribution and heat flux at the receiver surface. SolTrace can also generate comprehensive optical performance metrics and analyze the impact of design choices on system efficiency and costs.

With SolTrace, users can simulate thermal losses, radiation from the sky and ground, wind behavior, mirror reflectivity, and much more. It also has a built-in optics database with a vast array of materials for absorbers, glass covers, and reflectors. The results can be used to improve performance optimizations in new or existing projects.

SolTrace is widely recognized as an essential CSP analysis tool and is free to download through NREL's official website. It is used by researchers, engineers, and solar power professionals around the world.

Overview

SolTrace is a Freeware software in the category Development developed by NREL.

The latest version of SolTrace is 1.0, released on 02/18/2008. It was initially added to our database on 10/29/2007.

SolTrace runs on the following operating systems: Windows.

SolTrace has not been rated by our users yet.

Pros

  • Accurate simulation of solar concentrators
  • Ability to model a wide range of solar energy systems
  • Offers detailed analysis and optimization tools for solar energy projects
  • Free and open-source software
  • Supported and maintained by the National Renewable Energy Laboratory (NREL)

Cons

  • Steep learning curve for beginners
  • Requires knowledge of optical design principles to fully leverage its capabilities
  • May not have as user-friendly interface as commercial software options

FAQ

What is SolTrace?

SolTrace is a software program developed by the National Renewable Energy Laboratory (NREL) that models optical systems and analyzes their performance for concentrating solar power (CSP) applications.

In which industries is SolTrace commonly used?

SolTrace is commonly used in the CSP industry, where it assists in the design and optimization of solar collector systems, including parabolic troughs and linear Fresnel reflectors.

How does SolTrace simulate optical systems?

SolTrace utilizes a raytracing algorithm to simulate the paths of solar rays as they interact with various optical components such as mirrors, lenses, and receivers. It can accurately predict the distribution of solar energy in a given system.

What kind of data inputs does SolTrace require?

SolTrace requires inputs such as optical component geometries (curvature, dimensions, etc.), the sun's position, and atmospheric conditions. It also requires information about material properties, reflectivity, transmissivity, etc.

What kind of analysis does SolTrace provide?

SolTrace provides a range of analysis outputs, including ray paths and intersections, energy fluxes at any point in the system, efficiency calculations, and deviations from ideal optical designs.

Can SolTrace model non-linear concentrators?

Yes, SolTrace is capable of modeling non-linear optical systems, such as those used in point-focus concentrators like dishes or central receivers.

Does NREL support SolTrace?

Yes, NREL offers support for the SolTrace software. Users can access the official SolTrace website for documentation, tutorials, and technical support resources.

What operating systems are supported by SolTrace?

SolTrace is compatible with Windows, Linux, and macOS operating systems.

Is SolTrace a free software?

Yes, SolTrace is available as an open-source software free of charge.

Does SolTrace have a user-friendly graphical interface?

No, SolTrace primarily operates through command-line inputs and outputs. However, it does come with a basic graphical user interface (GUI) for visualization purposes.


Minh Ong

Minh Ong

I'm Minh, a software engineer and author with a passion for exploring and writing about the latest in software and technology. With my experience in software development and a specialization in software updates and content creation, I bring a deep understanding of the tech landscape to my reviews and articles. My focus is on providing you with comprehensive insights into general software topics and the latest industry news.

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