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Is Typical Year weather data still appropriate for Building Energy Simulation? A comparative analysis on the traditional practice of using Typical Year weather data and a modern approach in using Historical weather data in Building Energy Simulation

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posted on 15.10.2021, 17:11 authored by Chun Yin Siu
This research compares the use of Typical Year weather files (CWEC1990s and 2016) and Multi-Year Historical weather data (CWEEDs1998 to 2014) in Building Energy Simulation. The analysis is comprised of several components: 1) a statistical analysis on the raw weather elements - differences in the cumulative distribution of key weather elements, and relevant weather indices are compared; 2) analysis on the differences in heating and cooling energy estimations; 3) analysis on the impact of the staggered update cycles between weather data used for equipment sizing and simulation. Computer scripts created
to automate tasks related to multi-year simulation are also presented. It is found that critical insights are missing when Typical Year weather files are used for simulations. Simulation with Multi-Year Historical data shows potential as a reasonable alternative, since they can be updated more frequently and contain a wider range of conditions. Repetitive tasks can also be automated with scripts.

History

Language

English

Degree

Master of Applied Science

Program

Building Science

Granting Institution

Ryerson University

LAC Thesis Type

Thesis

Thesis Advisor

Zaiyi Liao