Homework Answers
A hot bath at Th 82.2 °C is connected to a cold bath at T 13.9°C...
A hot bath at Th 82.2 °C is connected to a cold bath at T 13.9°C by an insulated metal rod as shown in the diagram (Figure 1). The metal rod is made from two metals, aluminium is next to the hot bath and has a length 11-65.2 cm, steel makes up the remainder of the rod. The junction between the aluminium and steel has a temperature T 55.4 °C. The rate of energy flow through the rods is P=...
A hot reservoir with a temperature of 687 K is 0.58 m away from a cold...
A hot reservoir with a temperature of 687 K is 0.58 m away from a cold reservoir with a temperature of 358 K. The two reservoirs are insulated from each other except for a rod of brass (k = 109 W/m-K) that has a cross-sectional area of 0.058 m2. The entire system is allowed to reach a steady-state condition. 1) How much energy is transferred by heat between the hot reservoir and the cold reservoir in ten minutes? J Submit...
A hot reservoir with a temperature of 687 K is 0.58 m away from a cold...
A hot reservoir with a temperature of 687 K is 0.58 m away from a cold reservoir with a temperature of 358 K. The two reservoirs are insulated from each other except for a rod of brass (k = 109 W/m-K) that has a cross-sectional area of 0.058 m2. The entire system is allowed to reach a steady-state condition. 1) How much energy is transferred by heat between the hot reservoir and the cold reservoir in ten minutes? J Submit...
Ice and COPPER STEEL water water A copper rod and a steel rod are joined to-...
Ice and COPPER STEEL water water A copper rod and a steel rod are joined to- gether as shown. Both have a cross sectional area of 4.0cm2. Both rods are insulated so that heat can be conducted only along their length. One end of the copper rod is immersed in boil- ing water, and one end of the steel rod is im- 65.0°C mersed in a mixture of ice and water 0°C. The temperature at the junction point is stable...
Check my work 00 10 points 100°C 0°C eBook | 91 Hint Print Boiling water Ice...
Check my work 00 10 points 100°C 0°C eBook | 91 Hint Print Boiling water Ice bath References A copper rod of length 0.500 m and cross-sectional area 7.20 x 10-4 cm is connected to an iron rod with the same cross section and length 0.250 m. One end of the copper is immersed in boiling water and the other end is at the junction with the iron. If the far end of the iron rod is in an ice...
3.) A thin-walled container with a hot fluid (T50 °C) is placed in a quiescent cold water bath (Thth10 °C). The interior and exterior sides of the container may be approximated as vertical plates, an...
3.) A thin-walled container with a hot fluid (T50 °C) is placed in a quiescent cold water bath (Thth10 °C). The interior and exterior sides of the container may be approximated as vertical plates, and the container's bottom is well insulated. Find the overall heat transfer coefficient, U, for this arrangement. You can assume the hot fluid has the same properties as water and that the container wall is at a temperature of 30 °C. (30 points) Thin-walled container Cold...
Problem 1: A metallic fin of length is attached to a hot surface (at To) and is exposed to cold a...
Problem 1: A metallic fin of length is attached to a hot surface (at To) and is exposed to cold air at To. The temperature at the end of the fin is T1. The governing equation for the temperature along the length of the fin is given below where h is the heat transfer coefficient, k is the thermal conductivity of metal, P is the perimeter of the fin, and A is the cross-sectional area of the fin. (a) Do...
A hot burrito is placed on a cold plate. The rate at which the burrito cools...
A hot burrito is placed on a cold plate. The rate at which the burrito cools down depends on: a. It's cross sectional area b. The surface area of the plate c. The 4th power it's surface temperature d. The temperature gradient between it's center and the surface of the plate
P-11.1. We quantify Fourier's experiment, shown in Fig. 11.3, for a cylindrical copper rod of a...
P-11.1. We quantify Fourier's experiment, shown in Fig. 11.3, for a cylindrical copper rod of a length 1.2 Cross-sectional area 4.8 cm The rod is insulated to prevent heat loss through its surface. A temperature dif ference of 100 K is maintained between the ends. Find the rate at which heat is conducted through the rod m and a
Stream Type T. (°C) T(°C) CP (kW/°C) 1 ATmin= 10 1 2 3 Hot Hot Cold...
Stream Type T. (°C) T(°C) CP (kW/°C) 1 ATmin= 10 1 2 3 Hot Hot Cold Cold 180 130 60 30 80 40 100 1 20 4 1.8 1. Develop a temperature interval diagram 2. Produce a problem table from the temperature interval diagram 3. Using heat cascade, state the pinch point, Hot & cold utility usage 4. What is the minimum number of units a) For max energy recovery b) Energy relaxation across pinch 5. Design a HEX network...
A hot bath at Th 82.2 °C is connected to a cold bath at T 13.9°C by an insulated metal rod as shown in the diagram (Figure 1). The metal rod is made from two metals, aluminium is next to the hot bath and has a length 11-65.2 cm, steel makes up the remainder of the rod. The junction between the aluminium and steel has a temperature T 55.4 °C. The rate of energy flow through the rods is P=...
Ice and COPPER STEEL water water A copper rod and a steel rod are joined to- gether as shown. Both have a cross sectional area of 4.0cm2. Both rods are insulated so that heat can be conducted only along their length. One end of the copper rod is immersed in boil- ing water, and one end of the steel rod is im- 65.0°C mersed in a mixture of ice and water 0°C. The temperature at the junction point is stable...
Check my work 00 10 points 100°C 0°C eBook | 91 Hint Print Boiling water Ice bath References A copper rod of length 0.500 m and cross-sectional area 7.20 x 10-4 cm is connected to an iron rod with the same cross section and length 0.250 m. One end of the copper is immersed in boiling water and the other end is at the junction with the iron. If the far end of the iron rod is in an ice...
3.) A thin-walled container with a hot fluid (T50 °C) is placed in a quiescent cold water bath (Thth10 °C). The interior and exterior sides of the container may be approximated as vertical plates, and the container's bottom is well insulated. Find the overall heat transfer coefficient, U, for this arrangement. You can assume the hot fluid has the same properties as water and that the container wall is at a temperature of 30 °C. (30 points) Thin-walled container Cold...
Problem 1: A metallic fin of length is attached to a hot surface (at To) and is exposed to cold air at To. The temperature at the end of the fin is T1. The governing equation for the temperature along the length of the fin is given below where h is the heat transfer coefficient, k is the thermal conductivity of metal, P is the perimeter of the fin, and A is the cross-sectional area of the fin. (a) Do...
P-11.1. We quantify Fourier's experiment, shown in Fig. 11.3, for a cylindrical copper rod of a length 1.2 Cross-sectional area 4.8 cm The rod is insulated to prevent heat loss through its surface. A temperature dif ference of 100 K is maintained between the ends. Find the rate at which heat is conducted through the rod m and a
Stream Type T. (°C) T(°C) CP (kW/°C) 1 ATmin= 10 1 2 3 Hot Hot Cold Cold 180 130 60 30 80 40 100 1 20 4 1.8 1. Develop a temperature interval diagram 2. Produce a problem table from the temperature interval diagram 3. Using heat cascade, state the pinch point, Hot & cold utility usage 4. What is the minimum number of units a) For max energy recovery b) Energy relaxation across pinch 5. Design a HEX network...
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