शैडोइंग अभ्यास: Transient Thermal Analysis in ANSYS AIM - वीडियो के साथ अंग्रेजी बोलना सीखें

पाठ बनाया जा रहा है...
1
Hello and welcome to this demonstration of ANSYS AIM.
2
Today we will be performing a transient thermal analysis of a frying pan that is heated on a stove with natural convection.
3
The heat flow into the pan will be 250 watts,
4
with a convection coefficient of 20 watts per meter squared degrees Celsius which will act as the natural convection of the pan.
5
We want to find out is the time it takes for the max temperature to reach 100 degrees Celsius
6
and approximately when steady state is reached.
7
With AIM pulled up, we will now begin our analysis.
8
We will do a transient thermal analysis and to do this, We will select the simulation process template, thermal.
9
AIM will now start creating the template To do so, we first will need to import existing geometry.
10
We'll uncheck the allow model editing because we won't need that.
11
And then since we're doing a transient analysis, we want to do a time -dependent calculation type.
12
Since there is only one part to our analysis, we will turn off detect contact automatically as well.
13
With all these options selected, we are now ready to create the simulation process.
14
AIM is now asking us to select the geometry.
15
We'll select the geometry up here, frying pan, and then select open.
16
Now that we have our geometry imported, we'll want to select our unit system.
17
I'll go up into the Project menu, go down to Units, and select the metric system.
18
Next, we will go to meshing.
19
I'll go ahead and click on "Mesh" in the simulation process data panel.
20
we can use predefined settings But let's go down into the global sizing.
21
I'm going to set it to curvature which will help with meshing for circular geometry.
22
For instance, these fillet radii on my frying pan.
23
I'll now go ahead and push the blue lightning bolt, which will update and start generating my mesh.
24
Now that the mesh is finished, you can see that Along those curvatures, the mesh is more refined.
25
This is to better capture that geometry.
26
Thank you.
27
Next, we will want to set up our boundary conditions or thermal conditions for our analysis.
28
we'll go down to the View panel and click on the Physics tab.
29
Thank you.
30
From here, We can go up into the Physics Data panel And set our Analysis settings.
31
We are performing a time -dependent analysis, which means a transient thermal analysis, For duration, I'll go ahead and type in about 30 minutes.
32
That should give us plenty of time to see when steady state will occur.
33
That's 1800 seconds.
34
Thank you.
35
Our physics region is our pan, which is already being defined, Now we will need to define our material assignments.
36
I'll click on material assignments.
37
And currently it's set to structural steel.
38
I actually want to set it to cast iron.
39
I can either type in cast iron or I can go find it in the list here.
40
I'll select cast iron.
41
and that will apply that material property to my frying pan.
42
If I want to see or check on the material properties, I can click on this drop down arrow next to the cast iron.
43
This is where I will verify my material properties.
44
I'll next want to go back to the Physics tab.
45
and continue down the list of items that I need.
46
Next, I'll be adding my thermal boundary conditions.
47
So I can click on this Add button.
48
and what we want first is heat flow.
49
So I'll select that.
50
The HEATFO data panel Pull up.
51
and it'll ask me to define a location.
52
I can go and click in the box, Then since the stove top will be underneath my pan, I can select the bottom there.
53
To confirm this selection, I'll hit the plus sign next to the location.
54
I'll next need to define the magnitude of the heat flow.
55
This will be 250 watts.
56
I also want to apply convection to my model.
57
so I can click "Next Step" Add.
58
I go to solid thermal conditions.
59
and then I'll select Convection.
60
Thank you.
61
So I want to basically apply my convection to everywhere else in the model except for where I applied the heat flow.
62
So to do this, I can right -click, and then use the Select All feature.
63
I don't want all the faces to be selected.
64
So I'll go ahead and deselect the face where the heat flow is applied.
65
To confirm the selection, again I'll go back up to the plus sign, and add the selected entities.
66
Thank you.
67
heat transfer coefficient that all apply is 20 watts per meter squared degrees Celsius.
68
and then the convection temperature which is basically your environment temperature, I'll just set at room temperature, which is 22 degrees Celsius.
69
I can then go back to my Physics tab, and everything else I'll leave as default.
70
I'm now ready.
71
to solve my analysis.
72
To solve, I can right -click on this Physics tab, and select update.
73
Now that the solution is done solving, I can go to my Results section.
74
I'll click on the results tab.
75
In the Results tab, You'll notice that there are already predefined results.
76
by clicking the drop -down arrow next to the results in the data panel, I'll see that there's a contour plot here.
77
This is the contour of a temperature plot.
78
I can go ahead and click on that.
79
and you'll notice that it says that it's out of date.
80
What I want to do next is just click the lightning bolt to evaluate these results.
81
I can now take a look at my contour plots.
82
You can see that the maximum temperature is slightly above 150 degrees Celsius.
83
One of the objects that we had in the analysis was to determine about what time
84
the temperature reached above 100 degrees Celsius.
85
we can click the right arrow besides the calculated maximum and choose to plot this.
86
I'll go over to the chart and expand it so that it has a full window view.
87
So now we can find at what point The temperature reached 100 degrees Celsius.
88
We'll go over to 100 degrees Celsius and follow that datum all the way to where it crosses our curve.
89
This is at about 300 seconds.
90
We can also determine when our analysis reaches steady state by looking at when our temperature plot flattens out.
91
This is at about 1500 seconds.
92
This concludes...
93
The ANSYS -AIM transient thermal analysis.
94
Thank you. and goodbye.
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इस पाठ की शब्दावली और बोलने के सुझाव

यह C1 स्तर का स्पीकिंग पाठ वीडियो “Transient Thermal Analysis in ANSYS AIM” पर आधारित है। सबसे ज़्यादा दोहराए गए शब्द ये हैं: click, analysis, select, temperature, Celsius। इस वीडियो में शैडोइंग के लिए 94 वाक्य और 1078 शब्द हैं। बोला गया हिस्सा 8:48 लंबा है। वक्ता लगभग 123 शब्द प्रति मिनट की स्थिर गति से बोलता है, जो शैडोइंग के लिए आरामदायक है। केवल 79% शब्द अंग्रेज़ी के 3,000 सबसे आम शब्दों में से हैं, इसलिए शब्दावली कठिन है।

इस वीडियो की मुख्य शब्दावली

वीडियो के 15 सबसे कठिन शब्द, उच्चारण और अर्थ के साथ:

शब्दउच्चारणअर्थ
geometry संज्ञा/d͡ʒiˈɑ.mə.tɹi/ज्यामिति, रेखागणित
watt संज्ञा/wɑt/वॉट, वाट
fry क्रिया/fɹaɪ/तलना
coefficient संज्ञा/ˌkoʊ.ɪˈfɪʃənt/गुणांक
curvature संज्ञा/ˈkɜɹ.və.tʃəɹ/वक्रता
template संज्ञा/ˈtɛm.plɪt/साँचा, क़ालिब
stove संज्ञा/stoʊv/चूल्हा, स्टोव
metre संज्ञा/ˈmiːtəɹ/मीटर
bolt संज्ञा/boʊlt/बोल्ट, पेंच
calculation संज्ञा/ˌkælkjuˈleɪʃn̩/गणना, परिकलन
calculate क्रिया/ˈkælkjʊleɪt/गणना करना, हिसाब रखना
verify क्रिया/ˈvɛɹɪfaɪ/परखना, जाँचना
conclude क्रिया/kənˈkluːd/समापन
circular विशेषण/ˈsɜɹ.kjə.ləɹ/वलयाकार, गोलाकार
magnitude संज्ञा/ˈmæɡnɪtjuːd/आकार

वीडियो में आने वाली फ़्रेज़ल वर्ब

शब्दउच्चारणअर्थ
go ahead क्रिया/ˌɡoʊ əˈhɛd/आगे बढ़ना
turn off क्रियाबंद करना

दोहराने लायक वाक्य

वीडियो के छोटे, पूरे वाक्य जिन्हें आप रोज़ की बातचीत में इस्तेमाल कर सकते हैं:

  • Next, I'll be adding my thermal boundary conditions.
  • I don't want all the faces to be selected.
  • I'll click on the results tab.

इस वीडियो का व्याकरण

वक्ता जिन संरचनाओं का सबसे अधिक प्रयोग करता है, वीडियो के असली शब्दों के साथ:

संरचनावीडियो में
Passive voice be + past participle — ज़ोर इस पर कि क्या होता है, न कि कौन करता हैis heated · is reached · is finished
Relative clauses who / which + उपवाक्य — व्यक्ति या वस्तु के बारे में अतिरिक्त जानकारीCelsius which will · curvature which will · bolt, which will

ध्यान देने योग्य उच्चारण

वक्ता 32 बार संक्षिप्त रूपों का प्रयोग करता है, जैसे I'll, we'll, I'm। इन्हें वैसे ही छोटा बोलें जैसा आप सुनते हैं।

  • “th” की ध्वनियाँ: thermal /ˈθɜːməl/, underneath /ˌʌndɚˈniθ/
  • “sh” और “zh” की ध्वनियाँ: convection /kənˈvɛkʃən/, mesh /mɛʃ/, transient /ˈtɹæn.ʃənt/, simulation /ˌsɪm.jəˈleɪ.ʃn̩/, coefficient /ˌkoʊ.ɪˈfɪʃənt/
  • लंबे शब्द — बलाघात सही रखें: geometry /d͡ʒiˈɑ.mə.tɹi/, coefficient /ˌkoʊ.ɪˈfɪʃənt/, demonstration /dɛmənˈstɹeɪʃən/

हिंदी भाषियों के लिए मुश्किल ध्वनियाँ:

  • /v/ और /w/ का फ़र्क़ — /v/ में ऊपर के दाँत निचले होंठ को छूते हैं, /w/ में होंठ गोल होते हैं: convection /kənˈvɛkʃən/, watt /wɑt/, curvature /ˈkɜɹ.və.tʃəɹ/, stove /stoʊv/, verify /ˈvɛɹɪfaɪ/
  • /æ/ — “ऐ” से ज़्यादा खुला: transient /ˈtɹæn.ʃənt/, flatten /ˈflæ.tən/, calculation /ˌkælkjuˈleɪʃn̩/, calculate /ˈkælkjʊleɪt/, magnitude /ˈmæɡnɪtjuːd/

इस वीडियो से अभ्यास कैसे करें

  1. पहले बिना बोले पूरा वीडियो एक बार सुनें और जो शब्द नहीं आते उन्हें लिख लें।
  2. सामान्य गति पर एक-एक वाक्य की शैडोइंग करें और हर वाक्य तब तक दोहराएँ जब तक आपकी लय वक्ता से न मिल जाए।
  3. अपनी आवाज़ रिकॉर्ड करें और मूल से तुलना करें, ख़ासकर geometry, watt, fry जैसे शब्दों पर ध्यान दें।

शैडोइंग तकनीक क्या है?

शैडोइंग (Shadowing) एक विज्ञान-समर्थित भाषा सीखने की तकनीक है जो मूल रूप से पेशेवर दुभाषिया प्रशिक्षण के लिए विकसित की गई थी। विधि सरल लेकिन शक्तिशाली है: आप मूल अंग्रेज़ी ऑडियो सुनते हैं और तुरंत इसे ज़ोर से दोहराते हैं — जैसे वक्ता की छाया 1-2 सेकंड की देरी से। शोध से पता चलता है कि यह उच्चारण सटीकता, स्वर, लय, जुड़ी हुई ध्वनियाँ, सुनने की समझ और बोलने की प्रवाहशीलता में काफ़ी सुधार करता है।

शैडोइंग तकनीक: पूरी चरण-दर-चरण गाइड पढ़ें →