Explain why the radiation leaving an enclosure

Assignment Help Mechanical Engineering
Reference no: EM13713492

Explain why the radiation leaving an enclosure (e.g. an oven kept at temperature T) through a small hole is a very good approximation for blackbody radiosity at temperature T.

Reference no: EM13713492

Questions Cloud

Estimate what is the drag force on a car : What is the drag force on a 1.6 m wide, 1.4 m high car traveling at 11 m/s (25 mph)? Suppose that the density of air is 1.2 kg/m3
Insulated reactor operating at steady state-burns completely : Methane gas (CH4) at 25° C, 1 atm enters an insulated reactor operating at steady state and burns completely with  x % of theoretical air entering at 25°C, 1 atm. Calculate the adiabatic flame temperature (AFT) at x=100, 200, 300 and 400 % and plot t..
How fast is the river flowing : A boat takes 3.20 hours to travel 30.0 km down a river, then 6.80hours to return. How fast is the river flowing
What is the view factor when the smaller sphere is displaced : Determine the view factors F12 and F21 for two concentric spheres characterized by radii R1 and R2, where R2 > R1. What is the view factor when the smaller sphere is displaced from the origin by R1/2 and R2 > 4R1?
Explain why the radiation leaving an enclosure : Explain why the radiation leaving an enclosure (e.g. an oven kept at temperature T) through a small hole is a very good approximation for blackbody radiosity at temperature T.
Aluminium rod corresponding to the design safety factor : A solid round aluminium rod (made of 6061-T6) has a mean yield strength Sy = 40.0 ksi with standard deviation of 4.0 ksi, the rod is to be subjected to a mean static axial load of P = 25 kip with a standard deviation of 2.5 kip.
Dimensional analysis to find expression for pump efficiency : The efficiency of a pump is assumed to be a function of the flow rate Q (cubic ft/sec), pressure increase? p, pipe diameter d, and density and viscosity of the fluid. Use dimensional analysis to find an expression for the pump efficiency.
Ratio of mean strength to mean stress : A solid round aluminium rod (made of 6061-T6) has a mean yield strength Sy = 40.0 ksi with standard deviation of 4.0 ksi, the rod is to be subjected to a mean static axial load of P = 25 kip with a standard deviation of 2.5 kip. Assume the yield stre..
Calculate the temperature of the gas to burn first : An adiabatic constant-volume combustion chamber is filled with a mixture of air and methane; lambda (AFR/AFRs) = 1.3. The initial temperature of the mixture is25°C, and its pressure is 1 bar. After laminar combustion from a single ignition source (an..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  A supply of steam at 100 kpa 150degc is needed in a

a supply of steam at 100 kpa 150degc is needed in a hospital for cleaning purposes at a rate of 15 kgs. a supply of

  If the reading on the pressure gage is 80 kpa determine the

both a gage and a manometer are attached to a gas tank to measure its pressure. if the reading on the pressure gage is

  1 the contraption below has a face cam with an elliptic

1. the contraption below has a face cam with an elliptic pro?le pushing a push rod against a spring. the face cam is

  Iorizontal duct is uninsulated and exposed to

airflow through a long 0.2 m2 air conditioning duct maintains the outer duct surface temperature at 10 c. if the

  Kinetic and potential energy changes from inlet to exit can

at steady state a well-insulated compressor takes in air at 60 degrees f 14.2 lbfin2 with a volumetric flow rate of

  Lbm block is pushed down a frictionless incline with a force

A 10 lbm block is pushed down a frictionless incline with a force of 5 lbf. the incline is 30 degrees relative to the horizontal. if the block starts from rest, what is its speed after it has been pushed 12 ft. Assume that gravity is 32.0 ft/ sec^2

  What is discharge revised discharge pressure of compressor

What is the discharge revised discharge pressure (guage pressure) of the compressor ?  Is the assumption of change in temperature valid for calculating the discharge pressure of the compressor ?

  Assuming that the coefficient of kinetic friction the tires

An accident occurs when car A rear-ends car B at a stoplight. The mass of car A is 1500kg and the mass of car B is 1000 kg. Car B was initially at rest with the brakes locked. Skid marks indicate car B slid 12 m after the impact. Assuming that the co..

  Determine the factor of safety against static failure

A work platform is elevated on the end of a boom that has the ability to extend its length and vary its angle with respect to the ground. The platform width is large compared to the boom diameter so that it is possible to load the boom eccentrically ..

  The intention is to draw air from the receiver during the

a stoped out area with a volume of 20000 m3 is to be used as a receiver. it is to be charged to an absolute pressure of

  Consider a hollow steel sphere of inside radius r110 cm and

consider a hollow steel sphere of inside radius r110 cm and outside radius of r220 cm. the thermal conductivity of the

  At a point on the free surface of a machine part the

at a point on the free surface of a machine part the strains are ex1200 mu ey300mu yxy700 mu. use mohrs circle to

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd