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Hi and welcome to Holmer Tutorial, and this session, as we promised, we want to start over small
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projects together.
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So, OK, so opening the Holmer and as I mentioned to you, you can make this section empty.
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It's not very important.
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When you want to share results with someone, it's better to mention your name.
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And then the first part, it's you want to go through it very quickly and it's very easy in this session
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is.
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The deep look at specifying the location and also downloading some resources for dads, let's go through
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it.
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So imagine that my location is so my data is for a building in Montreal.
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So let's search Montreal here.
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And the the cursor is going immediately to the marginal section, so as you can see here, the Holmer
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specified maps will kind of look back for us then it's it's done.
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So we need to download the resources that we talked about in the previous sections, if you remember,
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from this spot.
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And so just click on the resource and it gives you.
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Three option Solah temperature, and then you can download each one of them that you need, but let's
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download all of them and then we can talk about them.
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So these data are coming from the NSA database, NASA's surface controllers in solar energy database.
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So Clinton downloads and receiving this
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this tab that gives you the research that led downloaded successfully pressing.
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OK, it means that the resources for that location is downloaded.
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So let's check them.
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Go to the components bottom here.
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Sorry, resort bottom and then go to solar, a global horizontal irradiance or Gashi, so as you can
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see, by downloading the Redish solar radiation here, Holmer immediately shows you the results of the
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clearance index and the radiation for you in this table.
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And you can see the monthly average solar radiation for different is.
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In in in Montreal, in Canada, and as you can see and you can see that also in this beautiful bar charts,
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this Holmer draw for us.
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So as you can see, the solar radiation Ohgi in Montreal and summer is higher than in the winter.
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And it's logical.
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It's, it's fair enough.
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And the syndicate is not fluctuating so much.
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But the, the solar radiation is very high in the summer and very low indeed in the winter.
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And yeah, that's the information I here you can see the annual average of the solar radiation also
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and some information about the period of of the of these these measurements that, for example, here
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these data are coming from nineteen eighty three to 2005.
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So it's it's measured in a period of twenty two years.
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So it's somehow good database.
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And the other one is the vind, if we click on the winds, we have more options here.
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So for the speed, as you can see, again, the average wind speeds and meter per second.
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Just be careful that all the units in Holmer or Assai units.
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So from January until December, you can see the average wind speeds and also.
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Again, a graph is drawn by the home itself.
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There is no very special fluctuation, but in the winter for sure, the amount of wind speed is a little
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bit higher than in summer.
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As you can see here, for example, December, the values, the average is four point fifty one, but
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in July, for example, is three point seventy nine.
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And it's about one meter per second difference, so.
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Also here, you can see it's very important, it's what is the height of the measurement up to the speed
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and at home, it gives you this information that the database of NACI is based on the wind speed measured
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at 50 meter above the surface.
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And this is, again, the period did in this year or 10 years, and also you can change this, for example,
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you can you can say that, OK, I don't want 50 meters for my height.
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My height is about, for example, my wind turbine is.
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The Hobbit is 20 minutes or so, you can change this tiny meter and what's Homer do is based on this
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DTAP variation with height, it will change your data so it will show you how it changes it with the
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height.
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So, for example, if you bring down the heights from 50 meter, that is, for example, here to 10
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meter that is here, you are just bringing down the wind speed from here, for example, to here.
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That is three point five, something like that.
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So it changed the way you can see the exponentially graph of the logarithmic graph of the curve in the
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speed that is changing with height.
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So we changing the parameters of height from 50 to 20.
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It will change your data from 50 to 20 just based on this logarithmic graph.
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And here also you can change the surface roughness lengths.
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Several Stromness lengths means the height of the speed is above the ground is zero.
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So, for example, here the default is.
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Zero point zero point zero one, so you can change it to any number that you think it's true.
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And also there were some advance promoters, something like, for example, wait, we will shape factor.
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It's just if you don't know about these advanced parameters, just leave them as the default so you
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don't need to change them all.
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But it gives you this opportunity to change these factors as well.
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So.
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This is all about the wind speed as well.
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It gives you a very good information about the wind speed it downloaded from the NSF cosmetology.
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And the last one is the temperature in it, just like the previous tabs for the solar radiation and
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also the wind here you can see the average temperature for each month.
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And also at the end, it gives you the annual average.
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As you can see, the Montreal is considered a cold area.
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So the average is about five point sixty nine.
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That's calculated by Homer.
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And you can see the average of the temperature in each mount's.
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So if you're dealing, for example, with solar panels, you need to download this temperature from
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the NAZAN database as well.
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And you can CD or short as well.
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So in the summer, we have high temperature.
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In the winter we have minus negative temperature.
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So and also you can see the again, the information of the data that is measured for twenty two years.
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So it gives you a very good information about the data that is the low.
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That's from the national database.
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So.
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This is all about the three main resources that we need for this project, so that's done.
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We specified our location, we specified our resources, and we were ready to go to the next steps and.
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I'm very excited to do that, and until then, take care and enjoy using Colmar.
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