Answer:
a) The rate at which the cube emits radiation energy is 704.48 W
b) The spectral blackbody emissive power is 194.27 W/m²μm
Explanation:
Given data:
a = side of the cube = 0.2 m
T = temperature = 477°C
Wavelength = 4 µm
a) The surface area is:
![A_{s} =6a^{2} =6(0.2)^{2} =0.24m^{2}](https://tex.z-dn.net/?f=A_%7Bs%7D%20%3D6a%5E%7B2%7D%20%3D6%280.2%29%5E%7B2%7D%20%3D0.24m%5E%7B2%7D)
According Stefan-Boltzman law, the rate of emission is:
![E=\sigma T^{4} A_{s} =5.67x10^{-8} *(477)^{4} *0.24=704.48W](https://tex.z-dn.net/?f=E%3D%5Csigma%20T%5E%7B4%7D%20A_%7Bs%7D%20%3D5.67x10%5E%7B-8%7D%20%2A%28477%29%5E%7B4%7D%20%2A0.24%3D704.48W)
b) Using Plank´s distribution law to get the spectral blackbody emissive power.
![E=\frac{C_{1} }{\lambda ^{5}(exp(\frac{C_{2} }{\lambda T}) -1 )} =\frac{3.743x10^{8} }{4^{5}(exp(\frac{1.4387x10x^{4} }{4*477})-1) } =194.27W/m^{2} \mu m](https://tex.z-dn.net/?f=E%3D%5Cfrac%7BC_%7B1%7D%20%7D%7B%5Clambda%20%5E%7B5%7D%28exp%28%5Cfrac%7BC_%7B2%7D%20%7D%7B%5Clambda%20T%7D%29%20-1%20%29%7D%20%3D%5Cfrac%7B3.743x10%5E%7B8%7D%20%7D%7B4%5E%7B5%7D%28exp%28%5Cfrac%7B1.4387x10x%5E%7B4%7D%20%7D%7B4%2A477%7D%29-1%29%20%20%7D%20%3D194.27W%2Fm%5E%7B2%7D%20%5Cmu%20m)
Answer:
8.24μm
Explanation:
The theory of brittle fracture was used to solve this problem.
And if you follow through with the attachment made a the subject of the formula
Such that,
a = 2x(69x10⁹)x0.3/pi(40x10⁶)²
= 4.14x10¹⁰/5.024x10¹⁵
= 8.24x10^-06
= 8.24μm
This is the the maximum length of the surface flaw
System Capacity means the available operational capacity of the System at any applicable point in time, as such amount may vary from time to time pursuant to any contractual arrangements entered into by Carrier.
<h3>What is capacity of a production system?</h3>
Production capacity is the maximum possible output of a manufacturing business, measured in units of output per period. Knowing your production capacity gives you the chance to better plan and schedule production, give more accurate lead times, and forecast your cash flow.
<h3>What is an example of capacity?</h3>
The definition of capacity is the ability of someone or something to hold something. An example of capacity is how many people can fit in a room. An example of capacity is the amount of water a cup can hold.
To learn more about System Capacity , refer
brainly.com/question/14645317
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Answer:
I would go with when acid and a base react quantitatively with each other. as my answer for that