Steady State and Quasi-Dynamic Thermal Simulation

Welcome to the first thermal networks tutorial. This tutorial is aimed to provide new users with the basic knowledge in their journey to become expert users of SAInt in thermal modeling. The ideas presented here will assist the user in becoming familiar with the operation of SAInt and the typical workflow while using the software. This series of instructions will use the GUI to leverage SAInt to run a simulation of a thermal network. In SAInt, these models are referred to as steady state or quasi-dynamic scenarios.

This series starts by explaining how to create a thermal system in the SAInt environment and run a steady state and a quasi-dynamic simulation. We start by creating a network file and adding lines and nodes to construct the system’s topology in a Cartesian map window. We focus here on adding facilities to the network and defining their properties. After, we add external objects to the nodes, allowing the injection or extraction of heat. We focus here on adding demand and supply facilities and their properties. At this point, the network file is completed, and it is time to create a scenario file. In a steady state simulation, this file includes only events; in a quasi-dynamic simulation, it includes events and profiles. Events can control or limit the objects and constraints on the system, while profiles are used to model the dynamic behavior of different object parameters. The final step in the workflow is to execute the simulation and analyze the results.

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