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•Thermosyphon with L/D ≤ 50 present internal convective phenomena dispersion index of 0.0089.•For the remaining studied ratios, dispersion index increases and remains cohesive ranging between 0.11 and 0.14.•Evaporation is the dominant internal mechanism based on entropy generation rates 25 to 45% higher than condensation or vapour core transport.•For all instances, as heat supply rises entropy generation rates associated to internal vapour core decrease by 10–15%•Internal condensation is the most susceptible internal process with dispersion index between 1.98 and 5.2 times higher than the remaining processes.

The Laser Material Deposition (LMD) is an additive manufacturing technique that has become one of the most noteworthy methods for coating and repairing components. It is also a key process in hybrid manufacturing systems that combine LMD and machining operations. One of the main difficulties of LMD is the large number of relevant parameters and the complex interdependencies that must be considered. Thus, process fitting is usually based on trial and error techniques. The present work proposes a series of developments based on the numerical modeling of the LMD process, with the aim of reducing the experimental tests to setup the process.

Despite the long tradition of publishing digital datasets in Astronomy, and the existence of a rich network of services providing astronomical datasets in standardized interoperable formats through the Virtual Observatory (VO), there has been little use of scientific workflow technologies in this field. In this paper we present AstroTaverna, a plugin that we have developed for the Taverna Workbench scientific workflow management system. It integrates existing VO web services as first-class building blocks in Taverna workflows, allowing the digital capture of otherwise lost procedural steps manually performed in e.g. GUI tools, providing reproducibility and re-use. It improves the readability of digital VO recipes with a comprehensive view of the entire automated execution process, complementing the scarce narratives produced in the classic documentation practices, transforming them into living tutorialsfor an efficient use of the VO infrastructure. The plugin also adds astronomical data manipulation and transformation tools based on the STIL Tool Set and the integration of Aladin VO software, as well as interactive connectivity with SAMP-compliant astronomy tools.