![]() As part of their drive to meet these requirements, Taco use STAR-CCM+ software from Siemens PLM Software in their design process. Taco manufactures a wide range of pumps and valves used in both residential and commercial spaces.Īll pump manufacturers need to meet more stringent government legislated efficiency requirements by 2020. As part of their commitment to sustainability, many of Taco's products require fewer components and less material to build, as well as less energy to operate. Their water-based hydronic heating and cooling systems are energy efficient and comfortable. Taco Comfort Solutions is an ISO 9001 manufacturer of heating and cooling equipment, accessories and systems. ![]() Pumps have to operate well over a range of conditions, meet government efficiency regulations, and run reliably over long lifetimes with minimal downtime for repairs. Pump design engineers face multiple challenges when creating new, better products. They enable our water and sewage systems ventilation systems cooling in energy plants and many more applications. Pumps are the unsung heroes of many aspects of our lives. Creating a virtual prototype enables rapid investigation of multiple pump designs over a range of possible operating conditions, which speeds up the design process and reduces costs. Traditional pump design methods have relied heavily on testing physical prototypes, which can be expensive and time consuming. Results are easily comparable as all mesh and physics settings are identical. Figure 5: Part swapping allows quick changes of impeller, keeping the rest of the geometry the same. Figure 4: When the pump is operated at flow rates far off-design, the flow in the pump clearly becomes highly unsteady with significantly more recirculation visible compared to the flow at the BEP. Redesigning the impeller (case B) decreased this pressure drop (ΔB). Case A showed a large drop in pressure (ΔA) between 50% BEP (max head) and 10% BEP. Dotted lines show STAR-CCM+ results, solid lines lab testing. ![]() Figure 3: Example performance curve for two test cases. Figure 2: A pump model is designed in SolidWorks and imported into STAR-CCM+ (a), where it is meshed (b) and simulated (c). ![]() Figure 1: Example of a Taco Comfort Solutions circulator pump. ![]()
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