How To Read Sun Path Diagram

Lay a straight edge from the center of the chart through the marked time point to the. Read the azimuth as an angle.

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Locate the required date line remembering that solid are used for jan june.

How to read sun path diagram. Read the azimuth as an angle taken clockwise from north. Select the date line. Wind speed and direction change throughout the day and year and are not as universally predictable.

Stereographic sun path diagrams can be. Reading the sun position step by step locate the required hour line on the diagram. Horizontal sun path diagram calculation zahiruddin abdmutalib.

Read off from the concentric circles the altitude angle. Draw a line from the very center of the diagram through the intersection point out to the perimeter of the diagram. Select the hour line and mark its intersection with the date line.

Hour lines or annalema are shown as figure eight type lines that intersect the date lines and represent the position of the sun at a specific hour of the day. Wind provides natural ventilation and usually cools buildings and people because it accelerates the rate of heat transfer. And building throughout the year.

Draw a line from the very center of the diagram through the intersection. Find the intersection point of the hour and date lines. Sun path diagram specifically for penang malaysia which principally implemented in order to avoid too much sunlight in this.

Locate the required date line remembering that solid are used for jan june. Find the intersection point of the hour and date lines. Sun path diagrams select the chart of the correct latitude.

Locate the required hour line on the diagram. Date lines start on the eastern side of the graph and run to the western side and represent the path of the sun on one particular day of the year. Trace a concentric circle around from the intersection point to the vertical north axis on which is displayed the altitude angles.

Reading sun path diagrams. In this case the value is about 62. Used to read the solar azimuth and altitude for a given location.

Sun path diagrams can tell you a lot about how the sun will impact your site. Draw a line from the very center of the diagram through the intersection point.

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