Air at 18°C (cp = 1006 J/kg·K) is to be heated to 58°C by hot oil at 80°C (cp = 2150 J/kg·K) in a cross-flow heat exchanger with air mixed and oil unmixed. The product of heat transfer surface area and the overall heat transfer coefficient is 750 W/K and the mass flow rate of air is twice that of oil. Determine (a) the effectiveness of the heat exchanger, (b) the mass flow rate of air, and (c) the rate of heat transfer.

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A:

Q: A pot 25 cm in diameter is placed on the stove. The pot is made of stainless plate (k = 15 W / [m °…

A: Given: Thermal conductivity, k = 15 W/m.0C Pan thickness, x = 0.6 cm = 0.006 m Dia of the pan, D =…

Q: Q1) A 20-cm-square plate loses heat with rate of 5000 W/m². Air at 1 atm and 300 K flows across the…

A: Side of the square plate, a = 20 cm = 0.20 m Heat lost from the plate, Q = 5000 W/m2 Air flows at…

Q: 2-The steady-state temperature distribution in a one-dimensional wall of thermal conductivity…

A: Given steady state temperature distribution in a one-dimensional wall T(oC) = a + bx2. Thermal…

Q: For a stream of water (at 32 °C) flowing over a plate at a constant surface temperature of (90 °C)…

A: Given:  T∞ = Twater = 32 oC            Thermal conductivity of water at 32 oC = 0.6 W/m.k…

Q: A metallic solid cylinder has a diameter of 11 cm and initial temperature of 300oC. The cylinder is…

A: Given, d= 11cm = 0.11m, r = 0.055m Ti = 300oC Tx = 50oC h = 1200W/m2oC Q = 4.9*106 J/m k = 204W/moC,…

Q: As the water flows through a pipe with an inner diameter of 5 cm and a length of 10 m, it heats up…

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Q: 2. Heat is transferred steadily in one direction in a composite plane wall that is made of two…

A: The objective of this question is to determine the rate of heat transfer in the system and the…

Q: In a one-shell and eight-tube pass heat exchanger, the temperature of water flowing at rate of…

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Q: 7-2, Losses by Natural Convection from a Cylinder. A vertical cylinder 76.2 mm in diameter and 121.9…

A: The radiation heat loss is neglected. The mean of the given two temperatures will be the film…

Q: A metallic solid cylinder has a diameter of 11 cm and initial temperature of 300oC. The cylinder is…

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Q: 6.3 In a particular application involving airflow over a sur- face, the boundary layer temperature…

A: All answers are attached below; please check. Explanation:Step 1:Step 2:Step 3:Step 4:Please rate my…

Q: A long circular cylinder is encased and centered in a long square cylinder of concrete (k 1.2 W/m·K)…

A: Given , Thermal conductivity,k=1.2W/mKTemperature of cylinder,T1=200°C=473KTemperature of…

Q: Air at 2 bar and 40°C is heated as it flows through tube of diameter 30mm at a velocity of 10 m/s.…

A: Given, Pressure P = 2 bar Velocity = 10 m/s

Q: The gas at an average temperature of 180 oC is transported through a steel (steel-46 W/m2.K) pipe…

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Q: Steam is being transported in a pipe at a chemical production facility in Germany The outer diameter…

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Q: A bioengineer working at chemical company intends to dry an insoluble wet granular material in a pan…

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Q: Polymer laminates are formed by “squeezing” two flat sheets of polymer together under high pressure.…

A: To derive an expression for the temperature as a function of time and position in the two polymer…

Q: The gas at an average temperature of 180 oC is transported through a steel (steel-46 W/m2.K) pipe…

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Q: A large spherical storage tank, 2 m in diameter, is buried in the earth at a location where the…

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Q: A food product with 80% moisture content in a 10 cm diameter can wants to be frozen. The density of…

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Q: Problem 2. In cement production the intermediate product which leaves the cement kiln is called…

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Q: Question 1 Hot oil flows through a steel tube with an outer diameter of 6 cm. The walls of the tube…

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Q: 1. Assume steady-state conditions and a thermal conductivity of k 1.5 W/m-K. a. Determine the…

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Q: Liquid food is heated in a tubular heat exchanger. The inner pipe wall temperature is 110 ° C. The…

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Q: Q2-A hollow stainless-steel cylinder having an inside diameter of 4 cm and thickness of 1 cm is…

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Q: 1/6 Convection Ex. 3.15: air at 101.325 kPa and 308 K (35 °C) flows across a 50 mm diameter cylinder…

A: Given Diameter of cylinder D = 50 mm Density d = 0.966 Conductivity k = 0.0312 NPr = 0.695

Q: Saturated steam at 267°F is flowing inside a hollow sphere with an ID of 0.824 in. and an OD of 1.05…

A: Refer to the figure shown below based on the given problem statement,

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.