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Calculate the heat-removal factor and the duct flow factor for a collector having an overall heat loss coefficient of 6 W/ (m2.K) constructed of aluminum fins and tubes. Tube to tube center distance is 15 cm; fin and tube thicknesses are 0.05 cm; tube diameter is 1.2 cm; fluid heat transfer coefficient is 1200 W/ (m2.K); and the cover transmittance to solar radiation is 0.9 and is independent of direction. The solar absorbance of the absorber plate is 0.9; the
Collector is 1 m wide and 3 m long; the water flow rate is 0.02 kg/sec. The inlet water temperature is 330 K.
Boltzmann constant; k (L. Boltzmann) This is a constant that describes the relationship among temperature & kinetic energy for molecules in an ideal gas. This is equal to 1.380
A section through a magnetic circuit of uniform cross-sectional area 2cm 2 is shown in Figure. The cast steel core has a mean length of 25cm. The air gap is 1mm wide and the
Q. A truck loaded with sand accelerates along a highway. If the driving force stays the same on the truck, what happens to the truck's acceleration if its trailer leaks sand at a
Q. Heisenberg's uncertainty principle of position & momentum. Describe an experiment to study the uncertainty of position & momentum. Heisenberg's Uncertainty Principle : It
Im having trouble understanding these,, could someone explain them in lamens terms
Diffraction of water waves Let vibrator produce circular wavefronts travelling along (P). Let X, Y be two vertical glass plates immersed in the tank far away from the vib
Power factor improvement: The low power factor is because of the fact that most of the power loads are inductive and thus take lagging currents.
Power: The rate of doing work is called power, and it is defined as the work done in unit time. As a formula, this would be: power = work done/time Taken Power is exp
The acceleration of a falling ball The change in speed per second of a moving body is called the acceleration. When it is constant as in the case of a ball falling under the ac
Second Harmonic Standing Waves on a String There are a variety of patterns that could be generates through vibrations inside a string, slinky, or rope. Each pattern corresponds
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