Answered: what factors play a vital role in…

Engineering

Mechanical Engineering

what factors play a vital role in maximizing the convection heat transfer coefficient ?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.79P: 1.79 Consider the cooling of (a) a personal computer with a separate CPU and (b) a laptop computer....

See similar textbooks

Related questions

Q: The frame shown in Figure 3.1 has internal pins at points B, C and D and is supported by a pin at…

Q: A MATHalino.com 3 m B 3 m C 30 kN 3 m m 4 m 30 kN 3 m G F 3 m 90 KN moo.onilsHTAM 3 m

Q: A gas contained within a simple piston-cylinder assembly with a fixed piston mass, initially at a…

Q: 9. What is the atmospheric pressure on a planet if the pressure is 100 kPaa and the gage pressure is…

Q: A solid bar has a diameter of 40 mm and subjected to the loadings shown in Figure 2. The supports at…

Q: The surface tension of water in air is approximately 0.0072lbf/ft. If the atmospheric pressure is…

Q: Find Reynolds number for 100% Glycerol at 75°C flowing through a 2.5" Sch 80 pipe at 10 lbm/s

A: Given data: T=75°Cm˙=10 lbm/sPipe=2.5'' Sch 80 Need to determine the value of Reynolds number.

Q: Calculate the magnitude and direction of resultant with respect to x axis 1.) R = 2.) theta =…

Q: Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A₁ = 4150 mm² and an…

Q: Z=18.3 MPa*cm^3*s^-1 Convert Z to kJ*s^-1

Q: F₁ = 600 lb x 5 60° Z 120° F₂= 400 lb

A: (Q1) F1 = 600 lb, F2 = 400 lb It is required to represent F1 and F2 in vector form. (Q2) F1 = 180…

Q: At a cross section in a rectangular beam with b=300 mm and d=500 mm, flexural reinforcement is 5T20.…

A: Calculate the area of the steel. 5T20 means,n=5 and d=20 mmthen,As=5×π4d2=5×π4202=1570.8 mm2…

Q: Q3. A cylindrical shell with 15 mm wall thickness is subjected to an internal pressure of 25 MPa.…

A: Given Data The thickness of the cylindrical shell is: t=15 mm The internal pressure acting on the…

Q: 14. In terms of implementing global initiatives for good governance, the UN advocates: A. a…

A: in terms of implementing global initiatives for good governance can be define by many eight factors…

Q: Given the vectors A = 8i + 4j - 2k N B = 2j + 6k m C = 3i - 2j + 4k m calculate the following: (1) A…

Q: 4. A 2-slug mass is dropped from an airplane with initial downward velocity zero. Find v(t) for t≥ 0…

Q: Q4) In the figure shown, determine the centroidal coordinates and moment of inertia about x &…

A: Draw the diagram by specifying the sections in the given diagram.

Q: A vehicle travelling at 100 km/h has air passing through its radiator at the rate of 100 kg mol per…

A: Given: The vehicle speed, v = 100 km/h The air flow rate through radiator, ma = 100 kg mol/min The…

Q: The following is the equation of motion for forced damped vibration of a mass-damper system: mx + cx…

Q: M 70 bar WXH Tubo de 4 ton C = 75 cm

A: given; weight of tube=4 tons =39226.6Npressure(P)=70 bar =70*105…

Q: thickness 50mm is observed to be 7(°C) = a + bx², where a = 200°C, b = -2000°C/m², and .x is in…

Q: A metallic tube has an outer diameter of 500 mm and a wall thickness of 30 mm (Figure 4). The…

A: Given: The tube diameter, D = 500 mm The tube thickness, t = 30 mm = 0.03 m The internal pressure =…

Q: Design a flat rubber belt that needs to transmit 100kW for a system consists of two pulleys of…

A: Solution: Note: Dear User! As per bartleby guidelines, we can only provide solution for a single…

Q: For the given vectors V₁ and V₂, determine V₁ + V₂, Assume V₁ = 12, V₂ = 17, a = 2, b = 3,0 = 25°…

Q: 7. An iron block weighs 5 N and has a volume of 200 cm³. What is the density of the block? a. 988…

Q: A copper-constantan thermocouple is connected to coppe wires and the reference junction is exposed…

A: Given data as per questionRoom temperature=20°COutput voltage measured=6.537 mV

Q: 11. The pressure of a boiler is 9.5 kg/sq. cm. The barometric pressure of the atmosphere is 768 mm…

A: Given data: PBoilerGauge=9.5 kg/cm2PAtm=768 mm of Hg Need to determine the absolute pressure in the…

Q: Air enters an air conditioning system at 78 kPa, 28°C, and relative humidity 31% at a rate of 4.2…

Q: In a constant volume cycle, the pressure at the end of compression is 10 times that at the start,…

Q: If the allowable bearing stress for the material under the supports at A and B is ob = 740 psi,…

Q: Draw the shear-force and bending-moment diagrams for this beam and find maximum shear and bending…

Q: A calculator company produces a scientific calculator and a graphing calculator. Long term…

A: Given: Minimum demand of the scientific calculator each day=100 And minimum demand of the graphical…

Q: Q5: A tank contain 200 L of Hydrogen gas with 5 C temperature and under a pressure of 156 kpa. If…

A: Given data: V1=200 L=0.2 m3T1=5°C=278 KP1=156 kPaT2=670°R=372.22 KV2=175 L=0.175 m3 Need to…

Q: As shown in the figure below, three steel wires, each 0.05 in² in area, are used to lift a load W =…

A: L1 = 64.98 ft L2 = 64.99 ft L3 = 65.00 ft A = area of each wire = 0.05 in2 W = 1300 lb It is…

Q: Write and draw the following grashof's criterion and kind of grashof's four-bar mechanism such as;…

Q: 6. A force P of magnitude 330 lb acts on the frame shown at point E. (a) Determine the rectangular…

A: (a) Write the line vector EH. rEH=H-E=30, 0, 20-0, 7.5, 10=30i-7.5j+10k

Q: Three electric resistance heaters of length L = 250 mm and diameter D = 25 mm are submerged in a…

Q: Q2: Design a single dry plate clutch through finding, diameter of the Sha 5 lining, Outer and inner…

A: nspring = 6 C=6 τs=420Mpa = 420 N/mm2 G=84 Gpa = 84000 N/mm2 R/b = 4 P=7.5 Kw = 7500 w N= 900 rpm…

Q: The lecturer Aous used to drive his car early inorder to arrive and teach his students some…

A: Given data as per questionDistance between two cities,=160 kmSpeed of car=75 miles/hour First…

Q: .1 A heat engine receives heat transfer rate at 1 MW at a high temperature of 550 °C and rejects…

A: According to company's guidelines, only First question has to be answered.

Q: Determine the response of a system with a degree of freedom to an F impulse for the following data:…

A: Write the expression of motion of mass-spring-damper system. md2xdt2+cdxdt+kx=Fsinωt

Q: 4. An open-ended can 1 ft long is originally full of air at 70°F. The can is now immersed in water,…

A: Given data: Heiht of can (h)=1 ftDepth of can (d)=10 ft Need to determine the height of water inside…

Q: Q6: Design a cast iron piston for a single acting four stroke engine for the following data: Maximum…

A: Given: Maximum gas pressure→P=5MPa Cylinder bore→D=100 mm=0.10 m So the area of…

Q: Current Attempt in Progress A submarine is modeled as a cylinder with a length of 360 ft, a diameter…

Q: P₁ 3 m E B P₂ -3m- D 4 m c

Q: Make a graph of x versus t for the ball. Because you have data only at certain instants of time,…

A: A graph of x versus t for the ball. Because you havedata only at certain instants of time, your…

Q: How can a bore be measured?

A: The inner diameter of any cylindrical device is known as bore. The inner diameter of the cylinder is…

Q: 5. A transmission tower is held by three guy wires attached to a pin at A and anchored by bolts at…

Q: The refrigeration system above uses ammonia (NH3) as the refrigerant. Find: Enthalpies at each point…

A: Given:Refrigerant=NH3Condenser temperature, Tc=30o CEvaporator A temperature, Te,A=-5o CEvaporator B…

Question

what factors play a vital role in maximizing the convection heat transfer coefficient ?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

What is heat transfer coefficient?
If we neglect radiative heat transfer, what is the appropriate heat transfer coefficient value for stagnant ambient air?
Define and explain the physical significance of the following:(a)prandtl number(b) Reynolds number (c)Nusselt number In which mode of heat transfer is the convection heat transfer coefficient usually higher, natural convection or force convection?why?
Lumped heat transfer analysis of a solid object suddenly exposed to a fluid medium at a different temp is valid when (a) Biot number < 0.1 (b) Biot number > 0.1 (c) Fourier number <0.1 (d) Fourier number > 0.1
what are the different modes of heat transfer? Explain transfer of heat by convection process?
When a flat plate is subjected to uniform heat flux, how different are the relations compared to the isothermal plate case? Questions above are related to Heat transfer
(b) With the aid of diagram(s), discuss the variation of heat transfer coefficient with distance over a flat plate.
What are the three modes of heat transfer? Describe each briefly.
16-81 An engine block with a surface area measured to be 0.95 m² generates a power output of 50 kW with a net engine efficiency of 35%. The engine block operates inside a compartment at 157°C and the average convection heat transfer coefficient is 50 W/m².K. If convection is the only heat transfer mechanism occurring, determine the engine block surface temperature. Answer: 841°C
Explain the three basic modes of heat transfer with illustrated examples?
Convection - Heat Transfer Coefficient (HTC) (1) The temperature of inner surface of insulation wall is t,=100°C, while the outer surface releases the heat by convection to surroundings air with temperature of -20°C. The thickness of the insulating layer is 5 cm and its thermal conductivity of 0,05 W/(m-K). What is the value of heat transfer coefficient on the outside this wall if its surface temperature t, is of 0°C.
What are the key factors that influence the convective heat transfer coefficient in a mechanical system, and how can engineers optimize these factors to enhance heat transfer efficiency?