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2072 A hollow cylindrical conductor of length L (like the insulation around a pipe) has inside...
Problem : A cryogenic flui d is flowing in a 304 SS pipe. The pipe is...
Problem
:
A cryogenic flui
d is flowing in a
304 SS
pipe.
The pipe is insulated
on its outside surface
with
6
-
mm thick,
evacuated,
aluminum foil/glass mat insulation.
(“Evacuated” means a partial vacuum is drawn on the
insulation to
remove air that would otherwise fill
pores inside the insulation.)
The pipe
inside diameter
is 127 mm; it’s outside diameter is 138 mm.
The
fluid temperature is
-
173
o
C
.
T
he
air temperature
outside the...
A hollow, circular cylindrical conductor in freespace of infinite length. The inner and outer radius are...
A hollow, circular cylindrical conductor in freespace of infinite length. The inner and outer radius are b and c respectively, from the center z axis. It carries a current I in z direction. (a) Find the vector current density J. (b) Use Ampere's Law to find the magnetic field B and H outside the conductor(r>c). (c) Find B inside the hollow interior(r<b). (d) Find B in the conductor(b<r<c).
12. The temperature at the inner and outer surfaces of a hollow cylindrical pipe with wall...
12. The temperature at the inner and outer surfaces of a hollow cylindrical pipe with wall thickness L are held at constant values of T and T, respectively, where T, <To. The wall material has thermal conductivity that varies linearly according to k = k,(1 +BT), where k, and ß are constants. Draw a schematic of the system. Define and label a coordinate system. State assumptions and boundary conditions. b. Derive the governing differential equation for the heat transport and...
Steam at 150 °C flows in a stainless steel pipe which has a thermal conductivity of...
Steam at 150 °C flows in a stainless steel pipe which has a thermal conductivity of 16 W m-1 K -1 whose inner and outer diameters are 5 and 6 cm respectively. The pipe is covered with 3 cm think insulation having a thermal conductivity of 0.035 W m-1 K -1 . The combined convection and radiation heat transfer coefficient at the outside surface of the insulation is 20 W m-2 K -1 and the surroundings are at 10 °C....
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b =...
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non- uniform current density J = m2 in units of A/m2. b (a) Calculate the magnetic field at distance r = 13.5 cm from the center of the conductor Select one a. 13640.60 E-7 T b. 501.03 E-7 T c. 219.45 E-7 T A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has...
I. Steam at 220°C İs transported through an AISI 101 0 carbon steel pipe. The inside...
I. Steam at 220°C İs transported through an AISI 101 0 carbon steel pipe. The inside and outside diameters of the pip glass pipe insulation. e are 12 and 13 cm respectively. The pipe is wrapped with 5 cm thick cellular The ambient air temperature is 8°C. The inside and outside convection heat nts are 95 and 15 W/m2-K respectively. The thermal conductivity of the pipe is 60 W/m-K and for the insulation it is 0.072 W/m-K a. Construct the...
3 part Question? A hollow cylindrical conductor of inner radius a = 9 cm, and outer...
3 part Question?
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non- uniform current density J = r^2 in units of A/m2 . . i . Р (a) Calculate the magnetic field at distance r = 13.5 cm from the center of the conductor. Select one: a. 13640.60 E-7 T b. 219.45 E-ZT c. 501.03 E-7T A hollow cylindrical conductor of inner radius a = 9 cm, and outer...
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b =...
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non- uniform current density J = r2 in units of A/m2 (a) Calculate the magnetic field at distance r = 13.5 cm from the center of the conductor. Select one O a. 501.03 E-7 T O b. 219.45 E-7 T O c. 13640.60 E-7T
A cylindrical conductor of area A and length L has a conductivity (σ-1/R) that varies as...
A cylindrical conductor of area A and length L has a conductivity (σ-1/R) that varies as ơ -now Find an algebraic relationship between the current density (VA), ơo, L and A if the conductor is connected to V volts DC
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b =...
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non-uniform current density J = r2 in units of A/m2. i P (b) Calculate the magnetic field at distance r = 27 cm from the center of the conductor Select one: O a. 417.59 E-ZT o b. 11603.67 E-7 T O c. 502.53 E-7 T
Problem
:
A cryogenic flui
d is flowing in a
304 SS
pipe.
The pipe is insulated
on its outside surface
with
6
-
mm thick,
evacuated,
aluminum foil/glass mat insulation.
(“Evacuated” means a partial vacuum is drawn on the
insulation to
remove air that would otherwise fill
pores inside the insulation.)
The pipe
inside diameter
is 127 mm; it’s outside diameter is 138 mm.
The
fluid temperature is
-
173
o
C
.
T
he
air temperature
outside the...
12. The temperature at the inner and outer surfaces of a hollow cylindrical pipe with wall thickness L are held at constant values of T and T, respectively, where T, <To. The wall material has thermal conductivity that varies linearly according to k = k,(1 +BT), where k, and ß are constants. Draw a schematic of the system. Define and label a coordinate system. State assumptions and boundary conditions. b. Derive the governing differential equation for the heat transport and...
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non- uniform current density J = m2 in units of A/m2. b (a) Calculate the magnetic field at distance r = 13.5 cm from the center of the conductor Select one a. 13640.60 E-7 T b. 501.03 E-7 T c. 219.45 E-7 T A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has...
I. Steam at 220°C İs transported through an AISI 101 0 carbon steel pipe. The inside and outside diameters of the pip glass pipe insulation. e are 12 and 13 cm respectively. The pipe is wrapped with 5 cm thick cellular The ambient air temperature is 8°C. The inside and outside convection heat nts are 95 and 15 W/m2-K respectively. The thermal conductivity of the pipe is 60 W/m-K and for the insulation it is 0.072 W/m-K a. Construct the...
3 part Question?
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non- uniform current density J = r^2 in units of A/m2 . . i . Р (a) Calculate the magnetic field at distance r = 13.5 cm from the center of the conductor. Select one: a. 13640.60 E-7 T b. 219.45 E-ZT c. 501.03 E-7T A hollow cylindrical conductor of inner radius a = 9 cm, and outer...
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non- uniform current density J = r2 in units of A/m2 (a) Calculate the magnetic field at distance r = 13.5 cm from the center of the conductor. Select one O a. 501.03 E-7 T O b. 219.45 E-7 T O c. 13640.60 E-7T
A cylindrical conductor of area A and length L has a conductivity (σ-1/R) that varies as ơ -now Find an algebraic relationship between the current density (VA), ơo, L and A if the conductor is connected to V volts DC
A hollow cylindrical conductor of inner radius a = 9 cm, and outer radius b = 22.5 has a non-uniform current density J = r2 in units of A/m2. i P (b) Calculate the magnetic field at distance r = 27 cm from the center of the conductor Select one: O a. 417.59 E-ZT o b. 11603.67 E-7 T O c. 502.53 E-7 T
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