Air at 40C flows over a long, 25-mm-diameter cylinder with an embedded electric heater. In a series of tests, measurements were made of the power per unit length, P’, required to maintain the cylinder surface temperature at 300C for different free stream velocities V of the air. The results are as follows: Determine the convection coefficient in W/(m2 K) for each velocity.

Q: watt (V/S) Convert the convective heat transfer coefficient of air from 50 W/m² K to ton/hr³ K (…

A: According to the given datah=50W/m2KWe need to convert Unit of the heat transfer coefficient from…

Q: For a water flow over a steel surface, the temperature of water at a specific location was found to…

A: To find-: The local convection coefficient at this location. Given-: The temperature of water at a…

Q: Forced air at Too = 25°C and V = 17 m/s is used to cool electronic elements on a circuit board. One…

A:

Q: A ball has a diameter of 46 mm and falls in honey with terminal velocity of 0.3 m/s. For honey, take…

A: given: d = 46 mm = 0.046m V = 0.3 m/s ρₕ = 1360 kg/m³ υₕ = 0.04 m²/s Volume of ball = 4/3πr³ ⇒Vₛ =…

Q: Air at 24°C is blown over a hot pipe with a surface area of 2.94 m2 to dissipate 924 W of heat…

A: Given data:- Air temperature = 24 °C the pipe surface temperature = 45 °C surface area = 2.94 m2…

Q: For internal forced convection, friction factor f can be found by using either the Moody charts, the…

A: The Moody chart or Moody diagram (also Stanton diagram) is a graph in a non-dimensional form that…

Q: In thermally fully developed flow of a fluid with constant properties, the local convection…

A: Thermally fully developed flow of fluid is in which temperature profile doesn't change along the…

Q: Air is being heated with hot oil in banks. The tubes are made of an alloy with thermal conductivity…

A:

Q: The air at 1 ATM and 35⁰c flow through a cylinder 5 cm in diameter, at Velocity 50 cm/s. The surface…

A:

Q: For flow over a flat plate, indicate the letter that describes the local variation of the heat…

A:

Q: The correlation below is used to calculate the heat transfer coefficients for forced convection…

A: Following is the answer for the question.

Q: Table 3(a): Heater Power Q = 20 Watts Air Velocity (m/s) 0 1.0 2.0 3.0 Plate temperature, TH (°C)…

A: Given:

Q: Use scale analysis to find an expression for 8/x and Nu for flow over a flat plate with a thin…

A:

Q: A large vertical plate 6.1 m high and 1.22 m wide is maintained at s constant temperature of 57:C…

A: Given Data  vertical plate height, h=6.1m width of the vertical plate, w=1.22 m Constant…

Q: A ball has a diameter of 28 mm and falls in honey with a terminal velocity of 0.3 m/s. For honey,…

A: Given: The diameter of the ball = 28 mm The terminal velocity = 0.3 m/s The density of honey =…

Q: Q.1) Determine the convection heat transfer coefficient and the heat flux on the plate surface for…

A:

Q: Forced air at T∞ = 25°C and V = 12 m/s is used to cool electronic elements on a circuit board. One…

A:

Q: Consider convective cooling of a two-dimensional streamlined strut. Rather than  conducting…

A:

Q: Air at 10 m/s is flowing over a cylinder of D=(15) cm and L = 1 m. Air has thermal conductivity…

A: Given data: Velocity of air (u) = 10 m/s Diameter of cylinder (D) = 15 cm = 0.15 m Length of…

Q: The nondimensional heat transfer coefficient is a function of convection coefficient h (W/m2·K),…

A: The convection coefficient h is represented by h=Wm2K=ML2T -2TL2 Q=MT -3Q  -1⋯⋯1

Q: Air, at a free-stream temperature of 27 C and a pressure of 1 atm, flows over a long circular…

A: Step 1:Given data :T∞​=27∘CD=15.3 cmv=2.5 m/sT=127°CStep 2:properties of…

Q: A fluid with a surface film coefficient of 500 W /  ° C flows through a pipe (k = 40 W / m ° C) with…

A: The diagram of the pipe is given as, The heat flow rate from the fluid is written as, The heat…

Q: For seaworthiness trial of a new ocean-going vessel design, the total convective heat transfer rate…

A:

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.