https://github.com/maltegrosse/go-bird

Go adoption of Richard E. Bird - Clear Sky Broadband Solar Radiation Model based on Afshin Michael Andreas/NREL code
https://github.com/maltegrosse/go-bird

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Go adoption of Richard E. Bird - Clear Sky Broadband Solar Radiation Model based on Afshin Michael Andreas/NREL code

• Host: GitHub
• URL: https://github.com/maltegrosse/go-bird
• Owner: maltegrosse
• License: other
• Created: 2020-05-11T21:00:40.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2020-05-12T19:07:02.000Z (about 6 years ago)
• Last Synced: 2025-12-26T19:01:41.490Z (6 months ago)
• Language: Go
• Size: 6.84 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
Go-Richard E. Bird - Clear Sky Broadband Solar Radiation Model

=======================================

[![Go Report Card](https://goreportcard.com/badge/github.com/maltegrosse/go-bird)](https://goreportcard.com/report/github.com/maltegrosse/go-bird)

[![GoDoc](https://godoc.org/github.com/maltegrosse/go-bird?status.svg)](https://pkg.go.dev/github.com/maltegrosse/go-bird)

![Go](https://github.com/maltegrosse/go-bird/workflows/Go/badge.svg) 

The Bird Clear Sky Model, (original implemented by Afshin Michael Andreas/NREL, adopted in go lang) authored by Richard Bird, is a broadband algorithm that produces estimates of clear sky direct beam, hemispherical diffuse, and total hemispherical solar radiation on a horizontal surface.

The model is based on comparisons with results from rigorous radiative transfer codes. It is composed of simple algebraic expressions with 10 user-provided inputs. Model results should be expected to agree within ±10% with rigorous radiative transfer codes. The model computes hourly average solar radiation for every hour of the year, based on the 10 user input parameters; however, variable atmospheric parameters such as aerosol optical depth, ozone, and water vapor are fixed for the entire year.

## Installation

This packages requires Go 1.13. If you installed it and set up your GOPATH, just run:

`go get -u github.com/maltegrosse/go-bird`

## Usage

You can find some examples in the [examples](examples) directory.

Please visit https://midcdmz.nrel.gov/sampa/ for additional information.

Some additional helper functions have been added to the original application logic.

(Results validated in [Go-Sampa](https://github.com/maltegrosse/go-sampa))

## License

**[NREL BIRD License](https://midcdmz.nrel.gov/sampa/#license)**

Adoption in Golang under **[MIT license](http://opensource.org/licenses/mit-license.php)** 2020 © Malte Grosse.