Engine oil at 100°C and a velocity of 0.1 m/s flows over both surfaces of a 1.2-m-long flat plate maintained at 20°C. Determine: (a) The velocity and thermal boundary layer thicknesses at the trailing edge. (b) The local heat flux and surface shear stress at the trailing edge. (c) The total drag force and heat transfer per unit width of the plate.
Q: Consider a two-stage cascade refrigeration system operating between -80 o C and 80 o C. Each stage…
A: Refrigerant is R13 Single stage vapor compression cycle Maximum temperature = 80 oC Minimum…
Q: Explain the effect of noise on humans when they are undergoing prolong and continuous exposure?
A: Introduction: In general, hearing loss is the third most frequent long-term health problem.…
Q: Simplify. 24) Rationalize the denominator.. A) - cos x tan x B) sin x cot x tan x sin x cot x C) cos…
A: given; rationalised sinxcotx
Q: The top half of a compound Epicyclic gearset is shown in Figure, with input shaft I rotating at a…
A: Given: The speed of shaft I and gear S1, = NI = 700 rpm (CW) The generating power by shaft I, PI =…
Q: Find the moment caused by the force F = 719 about point C if a = 30, b = 34, m = 12, and n = 6.…
A:
Q: moving in a circular onent of the accelerati 0, determine its velo problems:
A: given:radius of circular path r=100mat=t+1
Q: Question Completion In the figure below, which of the following represents the dedendum? zeta gamma…
A: Circular pitch is the distance measured from a point on one tooth to the corresponding point on the…
Q: A rectangular bar of length L has a slot in the central half of its length. The bar has width b,…
A: Write the given data. L=520 mmE=74 GPaσavg=190 MPa
Q: The position of a particle as a function of time t, is given by x(t) = at +bt² - ct³ where a, b and…
A: As stated in the question, Position of a particle as a function of time = x(t) = at + bt2 - ct3…
Q: The deflection curve for a simply supported beam of length L and constant flexural rigidity EI is…
A:
Q: The odometer of a car reads 2020 km at the start of a trip and 2443 km at the end of the trip. If…
A:
Q: The upper half of a compound Epicyclic gearset is shown in Figure, with input shaft I rotating at a…
A: Given: The speed of shaft I, NI = 700 rpm The input power of shaft I, PI = 12 kW The speed of…
Q: (a) State the laws first law in the (b) The sliders A
A: Laws of Motion:- Newtons 1st Law of Motion:- It states that the body at rest or in uniform motion…
Q: Two identical plates of 61 mm wide and 6 mm thick is connected by a square pin with side dimension…
A:
Q: 9.3-2 A l-meter-long, simply supported copper beam (E = 117 GPa) carries uniformly distributed load…
A: given data; young modulus(E)=117GPa =117*103MPalength of beam(L)=1m…
Q: N 20 mm 200 mm 20 mm 300 mm pmri 20 mm A 1.5 m C N N 站 B D TTTTTTT 1.5 m 5m
A: given; load at point c (Pc)=430Nload at point D(PD)=634NAC=1.5mBD=1.5mAB=5mCD=2mlets take reaction…
Q: A 15' 10' 10 kips 10' C E 10 kips 10' Determine the internal force on: Member EF positive (+) if…
A:
Q: Determine the magnitude of the pin force at A. Assume W = 875 lb, a = 4.3 ft, b = 3.3 ft, r = 9 in.…
A:
Q: A hydraulic pump operates at 150 bars and delivers oil at 0.0015 m3/s to a hydraulic actuator. Oil…
A:
Q: (a) the normal stresses in the steel plates (1) and the oak block (2). (b) the shortening of the…
A:
Q: t of inertia of the door panel about the hinge ax ness of the torsional spring is 25 N-m/rad. The…
A: given:stifness of torsional spring k=25N-m/radmoment of inertia =20kg-m2l=10cm=0.1m
Q: Consider a two-stage cascade refrigeration system operating between -80 o C and 80 o C. Each stage…
A: Given data, The lower cycle uses R-13 refrigerant and working temperature limits are -80 °C and 0…
Q: Two identical plates are connected by two 18-mm diameter rivets as shown. Consider the following…
A:
Q: The deflection curve for a simply supported beam of length L and constant flexural rigidity EI is…
A:
Q: Q5: A centrifugal pump running at 900 rpm and delivering 0.3 m³/s of water against a head of 25 m,…
A:
Q: State Pascal’s principle and give one application of the principle.
A: Pascal's principle is defined for transmission of pressure in the fluid when the fluid is at rest…
Q: Two aluminum posts are located at equal distance from the middle steel post as shown. Take note that…
A: The posts are arranged in the parallel connection. Due to applied external force P, first steel post…
Q: A thin triangular plate PQR forms a right angle at point Q. During deformation, point Q moves to the…
A:
Q: Generally, aircraft materials are required to be low density, excellent heat resistance and high…
A: Different alloys (except aluminum alloys) that are also used as aircraft materials is- Titanium…
Q: Calculate the angular acceleration for a thin circular disk connected to a weight K by a light rope…
A:
Q: create an electro-pneumatic system for the drilling process station .For the drilling process, a 15…
A: create an electro-pneumatic system for the drilling process station . 15 kg workpiece was fed to the…
Q: In the figure below, Which of the following represent the dedendum
A:
Q: Using shear and moment diagrams. Determine the maximum moment of the beam shown below. 25kN/m 2m 11B…
A:
Q: wall having a thermal conductivity of vity 0.9 W/mK. If the heat rate is to b
A: given:thermal conductivity of composite structural k=0.3W/mKthickness t=100mmhermal conductivity of…
Q: As part of the maintenance routine on mechanical systems done by industries, discuss what is on-line…
A: Online watching is that the method of utilizing for mounted sensors to frequently check the…
Q: An air-cooled condenser has an h value of 30 W/m2-K based on the air-side area. The air-side heat…
A:
Q: The position of a particle as a function of time t, is given by x(t) = at +bt² - ct³ where a, b and…
A: From the data given in the question, Position of a particle as a function of time = x(t) = at + bt2…
Q: Consider the following fluids at a film temperature of 300 K in parallel flow over a flat plate with…
A: Given data: Film Temperature = Tf = 300 K Velocity of flow = u = 1 m/s x = distance from leading…
Q: Give the following problem a try. If you get stuck, here is one way to work it: Essential Solution…
A:
Q: R1: O 0.5 m RIV ly 1m B 1.5 kN 30° 2 kN/m, 1.5 m x R2y R₂=
A: Given:
Q: Define the drill press center pulley bearing replacement.
A: solution of above problem is below:
Q: The diagram below shows a simple approximation of the lineshape function for the helium/neon laser…
A:
Q: Which of the following is used to generate the involute profile of the gear teeth? Choose answer…
A: ● The involute of a circle is the path traced out by a point on a straight line that rolls around a…
Q: Determine the magnitude of the pin force at A. Assume W = 875 lb, a = 2.9 ft, b=2.4 ft, r = 6 in. r…
A:
Q: A thin triangular plate PQR forms a right angle at point Q. During deformation, point Q moves to the…
A: Given that: c = 720 mm u = 1.7 mm v = 3.5 mm α = 31o and β = 590 It is required to determine the…
Q: Determine the magnitude of the pin force at A. Assume W = 695 lb, a = 4.7ft, b = 3.8 ft, r = 8 in. r…
A: Given that: W = 695 lb a = 4.7 ft b = 3.8 ft r = 8 in = 0.667 ft It is required to determine the…
Q: View Policies Current Attempt in Progress Determine the force in member BE of the loaded truss. The…
A:
Q: A solid circular shaft of 35 mm diameter transmits a torque of 1460 Nm. The value of maximum shear…
A: Diameter of solid circular shaft, d = 35mm Torque transmitted, T = 1460 Nm or 1460000 Nmm
Q: As part of the maintenance routine on mechanical systems done by industries, discuss what is on-line…
A: Internet-based Surveillance In order to capture vibration data without human intervention, Vibration…
Q: Dove the inlet. There is no signifi local acceleration of gravity is 9.5 ess? Explain using…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- 5.7 The average Reynolds number for air passing in turbulent flow over a 2-m-long, flat plate is . Under these conditions, the average Nusselt number was found to be equal to 4150. Determine the average heat transfer coefficient for an oil having thermal properties similar to those in Appendix 2, Table 18, at at the same Reynolds number and flowing over the same plate.Determine the rate of heat loss from the wall of a building resulting from a 16 km/h wind blowing parallel to its surface. The wall is 24 m long and 6 m high, its surface temperature is 27C, and the temperature of the ambient air is 4C.Air at 1 atm with a velocity of 4 m/s and a temperature of 50oC flows over a flat plate that is at a uniform temperature of 100oC. The plate has a length of 0.20 m and a width of 0.1 m. a) What is the average heat transfer coefficient? b) What is the heat transfer rate from plate to the air? c)What is the average friction coefficient and the drag force ? d)What is the heat transfer coefficient at x=0.15 m ?
- Airstream at 1 atm flows, with a velocity of 15 m/s, in parallel over a 3-m-long flat plate where there is an unheated starting length of 1 m. The airstream has a temperature of 20°C and the heated section of the flat plate is maintained at a constant temperature of 80°C. Determine (a) the local convection heat transfer coefficient at the trailing edge and (b) the average convection heat transfer coefficient for the heated section.1.0 Consider the following fluids at a film temperature of 300 K in parallel flow over a flat plate with velocity of 1 m/s: atmospheric air, water, engine oil, and mercury. For each fluid, determine the velocity and thermal boundary layer thicknesses, in mm, at a distance of 20 mm from the leading edge.2.0 Engine oil at 100°C and a velocity of 0.25 m/s flows over both surfaces of a 0.8-m-long flat plate maintained at 20°C.Determine:(a) The velocity and thermal boundary layer thicknesses at the trailing edge.(b) The local heat flux and surface shear stress at the trailing edge.(c) The total drag force and heat transfer per unit width of the plate.
- Air at 20oC and 1 atm flows over a flat plate at 35 m/s. The plate is 75 cm long and 100 cm depth and is maintained at 60oC. Calculate (a) velocity boundary layer thickness at the leading edge, (b) thermal boundary layer thickness at the distance of 10 cm from the leading edge, and (c) thermal boundary layer thickness at the trailing edge.A coated sheet is being dried with hot air blowing in cross flow on the sheet surface. The surface temperature of the sheet is constant at 90°C, while the air velocity and temperature are 0.3 m/s and 110°C, respectively. The length of the sheet subjected to the blowing hot air is 1 m long. Determine the convection heat transfer coefficient and the heat flux added to the sheet surface. Treat the coated sheet as a vertical plate in cross flow.Air stream at 1 atm flows with a velocity of 2 m/s, in parallel over a 3 m long square flat plate, placed on ground, where there is an unheated starting length of 1 m. The air stream has a temperature of 20 °C and the heated section of the flat plate is maintained at a constant temperature of 80 °C. Determine the local heat transfer coefficient at trailing edge and average convection heat transfer coefficient for the heated section. Also calculate the heat loss by convection. Determine the average friction coefficient and wall shear stress and drag force.
- Air at a temperature of 25oC flows parallel over a flat plate with free-stream velocity of 2 m/s. The plate surface temperature is uniform at 86oC. Calculate: a) Thermal boundary layer thickness at x = 8 cm from leading edge; b) Local heat flux on x = 8 cm from leading edge; c) Total heat transfer rate in the area of plate L = 8 cm from the leading edge and width w = 10 cm.Air is flowing in parallel over the upper surface of a flat plate with a length of 4m. The first half of the plate length, from the leading edge, has a constant surface temperature of 50 degrees Celsius. The second half of the plate length is subjected to a uniform heat flux of 86 W/m2. The air has a free stream velocity and temperature of 2 m/s and 10 degrees Celsius, respectively. Determine the local convection heat transfer coefficients at 1 m and 3 m from the leading edge. Evaluate the air properties at a film temperature of 30 degrees Celsius. Is the film temperature Tf=30 degrees Celsius applicable at x = 3 m?Air at -10° C flows over a smooth sharp-edged, almost flat aerodynamics surface that is held at 10°C, at a speed of 120 km/hr . What is the greatest length the plate can be if the flow is to remain laminar over the entire length of the plate? What would be the average film coefficient be of that plate and what is the heat flux? What are the heights of the fluid and thermal boundary layers at the end of that length? Use Re = 350,000 for the critical Reynolds number.