engineering class project

MECH 3340 Semester Project Phase 1 Due: 4-5-2018

You must create all diagrams in a computer aided drafting program. You must include a narrative that explains the methods, assumptions and results in paragraph form. Create narrative in a word processing program.

I. Load Calculation a. Calculate the winter sensible load for the Johnson House using the method

described in Figure 8.2 of the HVAC Simplified text. i. Present a plan view of the building and show the cross section of the

exterior wall, roof, and floor system. b. Present and explain all assumptions c. Present results

II. Equipment Sizing a. Estimate the volume flow rate of the atmospheric air needed to maintain a

constant temperature in the house. i. Calculate using energy and mass balance

ii. Use the Psychrometric chart to find atmospheric air properties. b. Estimate the energy input needed by the heating unit. c. Present and explain all assumptions d. Present results