Design - Calculations and Results SLAB HEATED WAREHOUSE Objective Conclusions • Design a warehouse heating system that must maintain a constant temperature of 70 ° F. Considering that the temperature during the day is 65 ° F and 40 ° F at night throughout the year. Heat transfer Nicole Hermosa, Sebastián Insuasti, Andrés Molina, Bryan Rayo, Ismael Romero Heat Transfer Figure 2: Piping layout diagram Figure 1: Heat Transfer Schematic with heat rates Simulations Figure 3: Heat Transfer Day Steady State Simulation Figure 4: Heat Transfer Night Steady State Simulation With the project it was possible to design a working heating system for the purposed problem reaching to the following design results : • Electric Heating was the selected method of heating the water because of its advantages in economy, reliability, and functionality • It was considered a serpentine array for the tubing system with two main divisions having a total length of 1470 m and two pumps of 5 hp to supply pressure to the entire system • The temperature at which the water must be for the warehouse to be at 70 ° F at day is 303 7 K and at night it is 317 4 K Piping layout design Design parameters Tabl e 1 : Loads resulting from day and night Tabl e 3 : Slab Heated Warehouse Design Parameters Table 2 : Parameters for piping layout design Fluid Temperature Daytime: Calculated =297.7 K Simulated =302.9 𝐾 Fluid Temperature Night - time: Calculated = 317.4 K Simulated = 306 K The error between the calculations and the simulations may be produced by the differences in the system analysis, as the simulation considers non - linear conduction, while the calculations consider 1 D conduction