Homework Answers
Add Answer to:
3). An ice cream mix is to be pasteurized at a rate of 3600 kg per...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320 [k] with a flow in the opposite direction of the inner flow. The diameter of the thin- walled inner pipe is 2.5 [cm] a) b) c) Calculate the exit temperature of the hot fluid and the mass flow rate of the cold fluid...
Cold water (Cp = 4180 J/kg · °C) leading to a shower enters a thin-walled double-pipe...
Cold water (Cp = 4180 J/kg · °C) leading to a shower enters a thin-walled double-pipe counter-flow heat exchanger at 15°C at a rate of 0.25 kg/s and is heated to 45°C by hot water (Cp = 4190 J/kg · °C) that enters at 100°C at a rate of 3 kg/s. If the overall heat transfer coefficient is 950 W/m2 · °C. determine the rate of heat transfer and the heat transfer surface area of the heat exchanger using the...
P11-104. Cold water (Cp = 4180 J/kg-K) leading to a shower enters a thin-walled double-pipe counterflow...
P11-104. Cold water (Cp = 4180 J/kg-K) leading to a shower enters a thin-walled double-pipe counterflow heat exchanger at 15°C at a rate of 0.25 kg/s and is heated to 45°C by hot water (cp=4190 J/kg K) that enters at 100°C at a rate of 3 kg/s. If the overall heat transfer coefficient is 950 W/m2.K, determine the rate of heat transfer and the heat surface area of the heat exchanger using the effectiveness-NTU method.
Problem 4: Heat Exchangers Analysis (25 points) A counterflow plate-type heat exchanger as shown in the...
Problem 4: Heat Exchangers Analysis (25 points) A counterflow plate-type heat exchanger as shown in the figure below is used to cool propane fuel W 50 mm H 25 mm Saturated Vapor propane Thickness t =5 mm H 25 mm Cooling water Length L The flow rate of the cooling water is 0.2 kg/s, while the flow of the propane is 0.1 kg/s. The water enters the heat exchanger at a temperature of 20°C while the propane enters at its...
Part II - Show your work (19 Marks] 16 Cold water (Cp = 4180 J/kg. "C)...
Part II - Show your work (19 Marks] 16 Cold water (Cp = 4180 J/kg. "C) leading to a shower enters a thin-walled double-pipe counter flow heat exchanger at 15°C at a rate of 0.25 kg/s and is heated to 45°C by hot water (Cp = 4190 J/kg. "C) that enters at 100°C at a rate of 3 kg/s. If the overall heat transfer coefficient is 950 W/m2. C, determine the rate of heat transfer and the heat transfer surface...
Cold water with properties as shown in Table 4 flows at rate of 4 kg/s is...
Cold water with properties as shown in Table 4 flows at rate of
4 kg/s is heated from 28 oC to 54 oC in a shell-and-tube heat
exchanger as shown in Figure 4.The cold water inters the tubes
through thin-walled tubes, each tube has diameter of 19 mm, and the
average velocity inside each tube is 0.355 m /s. The shell side,
one pass is used with hot water as the heating fluid 1.8 kg/s
entering the exchanger at 93...
2) Hot air enters a heat exchanger at 350°C and exits at 153°C. The heat extracted...
2) Hot air enters a heat exchanger at 350°C and exits at 153°C. The heat extracted is used to boil 0.277 kg/s of 100°C water (from saturated liquid to saturated steam). The heat exchanger is a single-shell shell-and-tube heat exchanger with two tube passes. The overall heat transfer coefficient for the hot side is 240 W/(m2). Assume a constant specific heat for air of cp = 1.005 kJ/(kg°C). The pressure of the hot air and the boiling water is P...
A counter-flow heat exchanger is stated to have an overall heat transfer coefficient of 284 W/m2.K...
A counter-flow heat exchanger is stated to have an overall heat transfer coefficient of 284 W/m2.K when operating at design and clean conditions. Hot fluid enters the tube side at 101°C and exits at 71°C, while cold fluid enters the shell side at 27°C and exits at 42°C. After a period of use, built-up scale in the heat exchanger gives a fouling factor of 0.0004 m2 K/W. The surface area is 93 m². Assume both hot and cold fluids have...
Hot air enters a heat exchanger at 350°C and exits at (149°C. The heat extracted is...
Hot air enters a heat exchanger at 350°C and exits at (149°C. The heat extracted is used to boil (0.263) kg/s of 100°C water (from saturated liquid to saturated steam). The heat exchanger is a single-shell shell-and-tube heat exchanger with two tube passes. The overall heat transfer coefficient for the hot side is 240 W/(m2°C). Assume a constant specific heat for air of Cp = 1.005 kJ/(kgC). The pressure of the hot air and the boiling water is P =...
1) 2.5 m3/s of air at 150°C is used to heat 0.342 kg/s of 20°C water....
1) 2.5 m3/s of air at 150°C is used to heat 0.342 kg/s of 20°C water. The heat exchanger is a finned-tube cross flow heat exchanger with both sides unmixed. The overall heat transfer coefficient associated with the hot side is 120 W/(m2°C). The hot-side area is 20 m2. Assume a constant specific heat for air and water of Crezia = 1.005 kJ/(kgº), Crewater = 4.2 kJ/(kg °C). The pressure of the hot air is P = 1.0 atm. The...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320 [k] with a flow in the opposite direction of the inner flow. The diameter of the thin- walled inner pipe is 2.5 [cm] a) b) c) Calculate the exit temperature of the hot fluid and the mass flow rate of the cold fluid...
P11-104. Cold water (Cp = 4180 J/kg-K) leading to a shower enters a thin-walled double-pipe counterflow heat exchanger at 15°C at a rate of 0.25 kg/s and is heated to 45°C by hot water (cp=4190 J/kg K) that enters at 100°C at a rate of 3 kg/s. If the overall heat transfer coefficient is 950 W/m2.K, determine the rate of heat transfer and the heat surface area of the heat exchanger using the effectiveness-NTU method.
Problem 4: Heat Exchangers Analysis (25 points) A counterflow plate-type heat exchanger as shown in the figure below is used to cool propane fuel W 50 mm H 25 mm Saturated Vapor propane Thickness t =5 mm H 25 mm Cooling water Length L The flow rate of the cooling water is 0.2 kg/s, while the flow of the propane is 0.1 kg/s. The water enters the heat exchanger at a temperature of 20°C while the propane enters at its...
Part II - Show your work (19 Marks] 16 Cold water (Cp = 4180 J/kg. "C) leading to a shower enters a thin-walled double-pipe counter flow heat exchanger at 15°C at a rate of 0.25 kg/s and is heated to 45°C by hot water (Cp = 4190 J/kg. "C) that enters at 100°C at a rate of 3 kg/s. If the overall heat transfer coefficient is 950 W/m2. C, determine the rate of heat transfer and the heat transfer surface...
Cold water with properties as shown in Table 4 flows at rate of
4 kg/s is heated from 28 oC to 54 oC in a shell-and-tube heat
exchanger as shown in Figure 4.The cold water inters the tubes
through thin-walled tubes, each tube has diameter of 19 mm, and the
average velocity inside each tube is 0.355 m /s. The shell side,
one pass is used with hot water as the heating fluid 1.8 kg/s
entering the exchanger at 93...
2) Hot air enters a heat exchanger at 350°C and exits at 153°C. The heat extracted is used to boil 0.277 kg/s of 100°C water (from saturated liquid to saturated steam). The heat exchanger is a single-shell shell-and-tube heat exchanger with two tube passes. The overall heat transfer coefficient for the hot side is 240 W/(m2). Assume a constant specific heat for air of cp = 1.005 kJ/(kg°C). The pressure of the hot air and the boiling water is P...
A counter-flow heat exchanger is stated to have an overall heat transfer coefficient of 284 W/m2.K when operating at design and clean conditions. Hot fluid enters the tube side at 101°C and exits at 71°C, while cold fluid enters the shell side at 27°C and exits at 42°C. After a period of use, built-up scale in the heat exchanger gives a fouling factor of 0.0004 m2 K/W. The surface area is 93 m². Assume both hot and cold fluids have...
Hot air enters a heat exchanger at 350°C and exits at (149°C. The heat extracted is used to boil (0.263) kg/s of 100°C water (from saturated liquid to saturated steam). The heat exchanger is a single-shell shell-and-tube heat exchanger with two tube passes. The overall heat transfer coefficient for the hot side is 240 W/(m2°C). Assume a constant specific heat for air of Cp = 1.005 kJ/(kgC). The pressure of the hot air and the boiling water is P =...
1) 2.5 m3/s of air at 150°C is used to heat 0.342 kg/s of 20°C water. The heat exchanger is a finned-tube cross flow heat exchanger with both sides unmixed. The overall heat transfer coefficient associated with the hot side is 120 W/(m2°C). The hot-side area is 20 m2. Assume a constant specific heat for air and water of Crezia = 1.005 kJ/(kgº), Crewater = 4.2 kJ/(kg °C). The pressure of the hot air is P = 1.0 atm. The...
Most questions answered within 3 hours.
-
. A 100.0 mL sample of 0.18 M HClO4 is titrated with 0.27 M
LiOH. Determine...
asked 7 minutes ago -
A regression equation that describes the relationship between
the amount of the bill ($) at a...
asked 1 hour ago -
exercise on VSEPR and molecular structrue.
octahedral
SeCl62-
TeCl62-
ClF62-
distorted
SeF62–
IF6–
asked 1 hour ago -
284 mL of a 0.52 M potassium hydroxide solution is added to 467
mL of a...
asked 1 hour ago -
Little’s Law: Val d’Costa is a world famous ski village in the
French Alps. Because of...
asked 2 hours ago -
Find the absolute error D for the calculation if A + B/C=D A=
9.4 +/- 0.4...
asked 2 hours ago -
New Air Heating and Cooling, manufactures furnaces and central
air units. The company pride itself on...
asked 2 hours ago -
A coach uses a new technique to train gymnasts. Seven
gymnasts were randomly selected and their...
asked 4 hours ago -
While rotating the tires on your car you notice a rock [mass =
0.1 Kg] stuck...
asked 6 hours ago -
Using MARS simulator, write MIPS programs according to
the following scenarios: Receive a positive integer number...
asked 8 hours ago -
An object in front of a concave mirror has a real image that is
11.5 cm...
asked 8 hours ago -
Consider the reaction, C3 H8 + O2 --> CO2 + H2O. How many
moles of O2...
asked 10 hours ago