Hot square plate (1 m ×1 m) is to be cooled by attaching aluminum circular pin fins (D=0.25 cm, L= 3 cm) distributed with distance 0.6 cm as illustrated in Figs.(1-a) & (1-b). If the fin base temperature is 100°C, cooling air temperature is 30°C and h= 35 W/m. °C. Determine the total rate of heat transfer from the finned plate and the effectiveness of the fins? Assume k= 237 W/m.°C and nr=tanh mL/ mL.

Q: Q3- A 7cm diameter tube has circumferential fins of rectangular profile. The fins are constructed of…

A: (1) the no. of fins per meter of length of the tube, N=1m in mm/space between fins=1000/12=83.3 83…

Q: At the bottom of a large water tank there is a horizontally lying surface heater (diameter D = 200…

A: Heat transfer Heat transfer is the process in which heat is transferred from hot body to cold body…

Q: A spherical steel tank (k = 15 W/m.°C, thickness=1.5 cm) tank of inner diameter 3.83 m contains ice…

A: Given data as k=15 W/m.°Ct=1.5 cmTank inner diameter (di)=3.83 mtemperature of the tank (Ts)=0…

Q: To increase the rate of heat transfer from a device, which has 0.1 m² of exposed surface, you added…

A: Write the given data. As1=0.1 m2n=500L=4 cmd=2 mmh=42 W/m2kk=240 W/mK

Q: A 4 m thick steel plate initially at 225 °C. Suddenly, both surfaces are exposed to an ambient at 25…

A:

Q: A thin square plate is heated to a temperature of 80°C and then quickly submerged in a water bath at…

A:

Q: A stove in the form of a cube (L = 1m) it is located inside. External walls of the stove, according…

A: Given Data :- k = 0.0269 w/mk Pr= 0.72 v= 1.75*10^6

Q: Please quickly

A:

Q: A steel fin (k = 54 W/m-K) with a cross-section of an equilateral triangle, 5 mm in side is 80 mm…

A:

Q: A rectangular fin with k=43 W/m.C, thickness t=2 cm, length L=14 cm and width W=1 m. The base of the…

A:

Q: Ponder upon a 5-m-high, 8-m-long, and 0.22-m-thick wall whose representative cross section is as…

A:

Q: A spherical steel tank (k = 15 W/m.°C, thickness=1.5 cm) tank of inner diameter 3.83 m contains ice…

A:

Q: A spherical steel tank (k = 15 W/m.°C, thickness-1.5 cm) tank of inner diameter 4.65 m contains ice…

A:

Q: 2. One-dimensional wall is exposed to constant heat flux and convective boundary conditions as shown…

A: Given : The thickness of the wall = 100 mm = 0.1 m The heat transfer coefficient, h = 10 W/m2K The…

Q: The roof of a refrigerated truck compartment is of composite construction, consisting of a layer of…

A:

Q: Brass cube "p 8530 kg/m, c = 380 J/kg.°C, k 110 W/m.°C, a = 33.9E-6 W/m.°C", side length=9 mm, are…

A: Option B is correct.

Q: There is an equipment that allows to measure the heat transfer in fins with at least three different…

A: Given data: Fins of circular cross-section are considered.The fins are made of aluminum with…

Q: 3-5 The wall of a drying oven is constructed of an insulation layer of glass-wool (k=0.05 W/m.K)…

A:

Q: A spherical steel tank (k 15 W/m.°C, thickness=1.5 cm) tank of inner diameter 4.88 m contains ice @…

A:

Q: An egg (k = 0.6 W/m-K, r = 1100 kg/m3, cp = 3000 J/kg-K) is removed from boiling water at 95°C and…

A: Apply the energy balance equation for both conditions.

Q: Q1: A steel pipe (K = 45.0 W/m.K) having a 2.6 in O.D is covered with a 1.8 in thick layer of…

A: Data given-  K1 = 45 W / mK  d1 = 2.6 inch = 0.066 mm  t1 = 1.8 inch = 0.0457 m K2 = 0.07 W/mK  t2 =…

Q: Q2/ A hot surface at 100 C is to be cooled by attaching 27778 copper fins (k-237 w/m.K), 3 cm long…

A:

Q: A square pin fin (w=0.6 mm, L=33 mm) is attached to hot surface [87 mm * 69 mm] Ts= 176°C with…

A: Given data: w=0.6 mmL=33 mmTS=176°Ch=155 W/m2KTa=24°Cη=0.81d=1.5 mm Need to determine the overall…

Q: 3 Brass cube "p = 8530 kg/m , c= 380 J/kg.°C, k = 110 W/m.°C, a = 33.9E-6 W/m.°C", side length = 9…

A: The step by step solution is given below,  h = 17.3 W/m2 C k = 110 W/mK

Q: To increase the rate of heat transfer from a device, which has 0.1 m² of exposed surface, you added…

A: Given data: Area of exposed surface = A = 0.1 m2 Length of fin = l = 4 cm = 0.04 m Diameter of fin =…

Q: Problem 3: The composite wall shown in the figure below is 200mm H x 100mm wide. What is the…

A: Let T1 be the temperature between the adiabatic wall and G10 fiberglass, T2 be the temperature…

Q: In between two fluids at two different temperatures (as shown in the figure) there is a rectangular…

A: Calculate the temperature at wall surface which is exposed to hot fluid by substituting x=0 in the…

Q: Example2:Thickness of plate (6mm) .Thermal conductivity (20W/m.°C) ,heat generation (3x10'W/m')…

A: Given data, t = Thickness of the plate = 6 mm = 0.006 m k = Thermal conductivity of the plate = 20…

Q: Consider a pipe of 5 m in length and 1 cm in diameter. Temperature difference between the wall and…

A: To find: The temperature at inlet. Given: The length of pipe is L=5 m. The diameter of pipe is d=1…

Q: Solution please, should correct determine the rate of heat loss of this cylindrical fin, where there…

A: GivenL=0.5mR=0.02mk=400 W/mKh=10 W/m2KTa=298KTo=773K the rate of heat loss of this cylindrical fin…

Q: Hot water (cp=D4.18 kJ/kg.K, m = mm, Length = 93 cm, thickness = 1.0 mm, k, outer surface is 204…

A: Specific heat of water, CP=4.18 KJ/kg.KMass flow rate of water,m˙=2.8kg/minInner diameter of tube,…

Q: Consider a fin of length L= 8cm attached to a base of temperature Tw= 150°C. The ambient temperature…

A:

Q: Copper fins, 2.1 cm long and 2.1 mm in diameter, are attached to a base plate at 75 °C. A fan blows…

A: To find: The heat transfer through the tips. Given: The length of the fin is L=2.1 mm1 m1000…

Q: A spherical steel tank (k = 15 W/m.°C, thickness=1.5 cm) tank of inner diameter 2.66 m contains ice…

A: Given:Thickness of steel, t=1.5 cm or 0.015 mk=15 W/mo Cinner diameter of the tank, di=2.66 mouter…

Q: A spherical steel tank (k = 15 W/m.°C, thickness-D1.5 cm) tank of inner diameter 4.88 m contains ice…

A:

Q: A pin fin (L= 38 mm , d = 3.0 mm) attached to a hot surface, Ts = 159°C with a convection heat…

A:

Q: Consider two aluminum (k=180 W/mK) pin-fin heat sinks with 1 mm and 2 mm square pins both 25 mm…

A: Amount of conduction or convection or radiation in an object decides or predicts the amount of heat…

Q: One-dimensional wall is exposed to constant heat flux and convective boundary conditions as shown in…

A: Given data: Constant heat flux, q = 1000 W/m3  L = 100 mm Temperature, T = 70°C And, T͚ = 50°C Heat…

Q: Determine the conduction resistance of the polyurethane per unit length without the aerogel, in…

A:

Q: A food product with 80% moisture content in a 7 cm diameter can wants to be frozen. product density…

A: Write the expression for the freezing time using the Plank’s equation denoting the variables.

Q: A contractor buries a 6-inch diameter ductile iron water pipe in frozen ground at a depth of 4-feet…

A: THERMAL CONDUCTIVITY Thermal conductivity is the property  of material which shows the  capability…

Q: Exercise 5 the bobul 3-75 Consider a 5-m-high 8-m-long, and 0.22-m-thick wall whose representative…

A: Given: The height of the wall, h = 5 m The total length of the wall, L = 8 m The total thickness of…

Q: Assume that the head can be modeled as a hemisphere (radius ro-90 mm) with a single layer of brain…

A:

Q: The rate at which energy must be dissipated away from single integrated circuits (computer chips)…

A:

Q: You are designing a small heatsink to cool a high-powered IC on a control unit PCB. The IC puts out…

A: