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SecCool 2.1.0.0, issued by Danish engineering consultancy IPU, is a specialized thermodynamics package that enables refrigeration professionals to calculate, contrast, and graph the thermophysical behaviour of secondary refrigerants. The suite integrates three complementary modules: SecCool Properties supplies an interactive interface for computing fluid properties across concentration ranges, determining friction factors, and evaluating pressure-drop performance in secondary-side piping networks, while SecCool Datafit lets users expand the internal library by regressing and validating data for new brines or glycol solutions. Developers can embed the same equations of state through SecCool API, offered as both 32- and 64-bit Windows DLLs; one build is pre-configured for direct coupling with F-Chart’s Engineering Equation Solver, and a second general-purpose DLL exposes identical functions to any COM-aware environment. Originally created between 2003 and 2005 within the Danish ELFORSK R&D programme DESIK—whose goal was energy-efficient design of indirect cooling plants using natural primary refrigerants—the code base has since been maintained and hosted by IPU, accumulating two public releases that share a consistent property database and calculation core. Typical applications include selecting the optimum brine for low-temperature industrial processes, sizing pumps and heat exchangers in district-cooling loops, documenting compliance with energy-labeling directives, and generating publication-ready property charts for academic or client reports. The program belongs to the engineering / thermodynamics software category and is available for free on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, always providing the latest version and supporting batch installation of multiple applications.
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