Engineering
Engineering, 27.11.2019 21:31, joybeth9591

Atotal of 10 rectangular aluminum fins (k 5203 w/m·k) are placed on the outside flat surface of anelectronic device. each fin is 100 mm wide, 20 mm highand 4 mm thick. the fins are located parallel to each otherat a center-to-center distance of 8 mm. the temperature atthe outside surface of the electronic device is 60°c. the airis at 20°c, and the heat transfer coefficient is 100 w/m2.k. determine(a) the rate of heat loss from the electronic device to the surrounding air and (b) the fin effectiveness.

answer
Answers: 2

Other questions on the subject: Engineering

image
Engineering, 04.07.2019 18:10, danksans7011
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
image
Engineering, 04.07.2019 18:10, genyjoannerubiera
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
image
Engineering, 04.07.2019 18:20, dlr1628
Acertain flow of air (at stp) has a velocity distribution given by v i (in ft/s). if this flow is going through a 4 ft square area in the yz-plane (centered at the origin), what is the mass flow rate (in lbm/s)?
Answers: 2
image
Engineering, 04.07.2019 18:20, esmemaluma00
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
Do you know the correct answer?
Atotal of 10 rectangular aluminum fins (k 5203 w/m·k) are placed on the outside flat surface of anel...

Questions in other subjects:

Konu
Mathematics, 21.04.2020 01:46
Konu
Mathematics, 21.04.2020 01:46
Konu
Mathematics, 21.04.2020 01:46