Passive House - Thermal Bridge Calculations using Therm

Event Details

Passive House - Thermal Bridge Calculations using Therm

Time: May 15, 2014 to May 16, 2014
Location: Pacific Energy Center
Street: 851 Howard Street
City/Town: san Francisco, CA
Website or Map: http://passivehousecal.org/ev…
Event Type: course
Organized By: Sharon Block
Latest Activity: Apr 27, 2014

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Event Description

Thermal bridging is an important consideration in Low Energy Building design.  Generally, the aim is to wrap entire the thermal envelope in a blanket of insulation, thereby eliminating all bridges.  However, practicalities and cost may prevent this goal from being achieved.  To properly assess junctions that contain thermal bridging, 2D thermal modelling is often needed.   This modelling must be carefully performed using validated software to ensure accurate results.

In this two-day course, participants will learn the fundamentals of thermal bridging calculations for wood-framed construction.  Common junction details and their modelling conventions will be examined. Modelling techniques will be taught using Therm. Participants will be given the opportunity to perform calculations and have them reviewed in class.

Course Objectives:

1.     Gain better understanding of heat loss in buildings due to thermal bridging

2.     Understand what comprises a high quality junction detail

3.     Assess degree of thermal bridging in a junction qualitatively

4.     Learn basic commands in the steady state numerical analysis software THERM

5.     Create 2D thermal models of junction details

6.     Set up the steady state models to output correct results

7.     Calculate heat flows in THERM

8.     Learn and apply thermal bridging modelling conventions

9.     Quantify the degree of thermal bridging at junctions

10.  Gain practical experience in the calculation of thermal bridging heat loss

11.  Account for thermal bridging in building energy modelling software

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