The main objective of the project is to design and draft a fully functional Heating, Ventilation and Air Conditional (HVAC) system for computer center. From residential to commercial structures such as apartments, laboratories, hospitals, etc..., can be designed with HVAC components. HVAC is used to adjust the comfort level of both ambient temperature and air humidity to feel comfortable in enclosed spaces. As we want the heating, cooling, and ventilating system to perform well, we needed to start with an efficient duct design. In this project, we designed a duct system using the protocols based on ISHRAE (Indian Society of Heating Refrigeration and Air- conditioning Engineers) and ASHRAE (American Society of Heating Refrigeration and Air-conditioning Engineers) standards. The underlying principle was to design a duct system, which delivers the correct Cubic Feet per Minute (CFM) air flow to the residential building against the friction created by the ducts and fittings, with the static pressure available from the blower. When there is more surface area exposed to the air-flow from the blower, amount of friction will increase and the blower must work more competently to achieve the required air-flow. To provide greater air-flow by overcoming the friction, radius elbow ducts are used, which provides smooth radius ensuring uniformity of air flow, reduces turbulence which in-turn results in very low pressure drop. For Duct design calculations we used AUTO_DESK REVIT design software. For space references and calculations, Autodesk Revit plan was taken from the civil department and the position of duct was identified. Based on the obtained Heat Load Calculations and cubic feet per minute are calculated by using E- 20 form sheet and by using ISHRAE handbook, duct sizes were design and chiller size was estimated for residential building.
Refrigeration, Duct, Chiller Capacity estimation, Auto-Desk Revit
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