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Internal Loads and Energy Modeling
By: Michael Morris
Internal Loads
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Weight or forces inside house not involved in the building envelope
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Deal with the placement of beams and appliance applications
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External loads refer to structural loads while internal loads deal with stress
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Basic forms of stress include tension, compression, and shearing
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Structural members include: columns, girder, beams, floor decking, and roof decking
Energy Consumption Calculations
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Calculate how many additional watts of solar capacity is needed
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Divide the usage amount by the average production ratio in area
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Divide number of watts needed by the wattage of each panel in system (number is amount of solar panels needed to cover HVAC system needs)
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Higher wattage in panels = less panel usage for energy generation
Week 2
Geothermal HVAC systems
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Geothermal HVAC systems are the most efficient ways to heat and cool your house without allowing to many emissions and saving you money on heating and air conditioning
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when it is hot outside you are going to want cool dry air in your house, using a geothermal system the pipeline is run in a vertical motion allowing for heat to be dispensed into the ground and the air to be cool down before entering your house
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The same emthod is implied but in reverse. When you want heat, the cold air is run through the pipeline , but this time the heat is absrobed from the ground making the cool air collected from outside, warm and ready to heat your house
About the Author Sponsored Content CleanTechnica and our parent company. “Pairing Geothermal Plus Rooftop Solar For A Truly Renewable Home.” CleanTechnica, 11 July 2019, cleantechnica.com/2019/03/24/pairing-geothermal-plus-rooftop-solar-for-a-truly-renewable-home/.
​Week 3
H.D. D Vs C.D.D
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Here we are breaking down the heating and cool degrees days for the suburban area of Horsham, Pennsylvania
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The average temperature has been broken up into monthly increments, allowing the heating and cool days to be calculated
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I used an array calculation to find the average heating and cooling degree days per month, then used the sum function to add them together to find the totaling heating degree days Vs cooling degree days
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Underneath if a graph of the average weather temperature per each month in Horsham, giving an idea of whether it will be a warmer or cooler month
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Using the target number of 65 degrees Fahrenheit we are able to subtract to find whether that day will be a H.D.D or a C.D. D
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Week 4
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This is the site plan for the house that was modeled using Sweet Home 3D
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With this site plan layout finished we are going to start working on the modeling inside the house and the official placements of all furniture
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We are also going to use the site plan to figure out exactly where to place the HVAC system so the tubing runs smoothly throughout the house and able to vent all the proper rooms
Week 5
Week 6
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Geothermal Ventilation is known to be 400% efficient and is a good HVAC system
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Our building design will implement a slinky coil closed loop ground source heat exchange system.
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Both figures (above and right) layout the features of each geothermal ventilation system and the benefits that lie with using them.
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Attached are visual figures of each system and how it would look once implemented.
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Using eQUEST we modeled the HVAC system for the house
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We are using a ground source heat exchange (Geothermal) as a closed system
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We are going to use a coil system to allow for the system to be the most efficient it possible can be
Week 7
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Using eQUEST we were able to design to the entire house and see how efficient the design was
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These two tables show us how efficient each one is and how the are effected
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Figure 1 shows us the bar graphs of each month, so we can see what is being used each month
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Figure 2 is the table for the entire year, we are able to see what is being used each month and then a total for each category thought the entire year
Figure 1
Figure 2