Building Air Movement and Pressure Distribution Quiz

<p>$p = 0.5 \cdot C_d \cdot \rho \cdot V^2$ (D)</p> Signup and view all the answers

<p>The classification of cracks and openings present (C)</p> Signup and view all the answers

<p>The shape and lift produced by the building's design (D)</p> Signup and view all the answers

<p>It impacts the overall temperature of the building (A)</p> Signup and view all the answers

<p>Type of landscaping around the building (B)</p> Signup and view all the answers

<p>Total air leakage rate of the building (B)</p> Signup and view all the answers

<p>Air changes per hour (ACH) (C)</p> Signup and view all the answers

<p>It enhances uniform distribution of temperature. (D)</p> Signup and view all the answers

<p>The escape of indoor air to the outside (C)</p> Signup and view all the answers

<p>Pressure differential measurement (B)</p> Signup and view all the answers

<p>Window frames (C)</p> Signup and view all the answers

<p>To identify potential areas for improving energy efficiency (D)</p> Signup and view all the answers

<p>Pressure differences between inside and outside environments (C)</p> Signup and view all the answers

<p>Cracks and openings in the building envelope (D)</p> Signup and view all the answers

<p>To quantify air leakage in a building (A)</p> Signup and view all the answers

<p>Tracer gas dilution method (B)</p> Signup and view all the answers

<p>Uncontrolled air movement through cracks and openings (A)</p> Signup and view all the answers

<p>Conductive heat transfer (C)</p> Signup and view all the answers

<p>To improve the comfort conditions inside buildings (B)</p> Signup and view all the answers

<p>They can lead to drafts and temperature fluctuations (D)</p> Signup and view all the answers

<p>Volume of furnishings in a room (B)</p> Signup and view all the answers

The unwanted flow of air into or out of a building through cracks, gaps, or openings.

The properties of cracks, gaps, and openings that affect how much air leaks into or out of a building.

The basic principles that govern how air moves through buildings.

The pattern of how air leaks through different parts of a building.

Methods for measuring the rate of air infiltration.

Methods for estimating the amount of unwanted air flowing into or out of a building.

Building structures designed to minimize air leakage.

Maintaining suitable temperature and air quality inside a building.

The force exerted by wind on a building, influenced by wind speed, direction, building shape, and surrounding environment.

A value that represents how wind pressure acts on a building's surface depending on its shape.

The force of wind pressure is calculated as p = 0.5 * C * ρ * V^2, where p is pressure, C is pressure coefficient, ρ is air density, and V is wind speed.

The shape of a building influences how wind flows around it, affecting the pressure distribution on its surface.

The mass of air per unit volume.

Flow of air into or out of a building due to cracks or openings.

Methods to determine the amount of air entering or leaving a building due to leaks.

Infiltration is the flow of air into a building, while exfiltration is the flow of air out of a building.

The three main types of building air leakage are: cracks, gaps, and openings. These are typically found in windows, doors, walls, and roofs.

A high-performance building envelope is designed to reduce heat loss, air leakage, and energy consumption. It minimizes unwanted air infiltration.

Airflow through cracks is influenced by pressure differences between the inside and outside of a building. Air flows from higher pressure to lower pressure.

Measuring airflow due to infiltration helps to understand how much air is leaking in or out of a building. This allows for improvements to building design.

Methods for calculating air infiltration include: air tightness testing, pressure difference measurements, and using predictive models.

The air change rate is the number of times the entire volume of air inside a building is replaced with fresh air per hour.

Reducing air infiltration involves sealing cracks, using weather stripping, and improving building envelope insulation.