Question: Airflow through a long, O.2-m-square air conditioning duct maintains the outer duct surface temperature at 10C. If the horizontal duct is uninsulated and exposed to

Airflow through a long, O.2-m-square air conditioning duct maintains the outer duct surface temperature at 10°C. If the horizontal duct is uninsulated and exposed to air at 35°C in the crawlspace beneath a home, what is the heat gain per unit length of the duct?

Step by Step Solution

★★★★★

3.37 Rating (172 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

KNOWN Surface temperature of a long duct and ambient air temperature FIND Heat gain to the duct per ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

8-E-M-E-H-M-T (846).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

A cable has a weight per unit length of 2 lb/ft and is supported as shown. Knowing that the span L is 18 ft, determine the two values of the sag h for which the maximum tension is 80 lb.

A horizontal wire with a mass per unit length of 0.2 kg/m carries a current of 4 A in the +x-direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and...

A uniform cable having a mass per unit length of 4 kg/m is held in the position shown by a horizontal force P applied at B. Knowing that P = 800 N and θA = 60°, determine (a) The location...

Airflow through a long, 0 . 1 - m - square air conditioning duct maintains the outer duct surface temperature at 1 0 C . If the horizontal duct is uninsulated and exposed to air at 3 5 C in the...

Airflow through a long, 0.1-m-square air conditioning duct maintains the outer duct surface temperature at 10 C. If the horizontal duct is uninsulated and exposed to air at 35 C in the crawlspace...

#6 and #7 1. Moist air at standard conditions is at a dry bulb temperature of 50F and a relative humidity of 70%. It is sensibly heated (constant moisture) to 72F. Use the psychrometric chart to...

Cooled air is flowing through a long sheet metal air conditioning duct, 0.2 m high and 0.3 m wide. If the duct temperature is 10?C and passes through a crawl space under a house at 30?C, estimate(a)...

Two major themes from the introduction to module 4 are "Project Management" and "Managing Risk." Discuss, in depth, your analysis of the company's actions in relation to the concepts of these two...

2 . ( 1 5 ) Cold air at 5 C enters an uninsulated air conditioning duct with a 5 " by 1 0 " cross section. It crosses a roof where the ambient air keeps the duct wall at 2 0 C . a ) What is the...

The following is a literature review about the following abstract: " In this laboratory class, the air flow through a duct and a room will be studied. The heat loss through a duct system will be...

Assignment Question(s) (Allotted Marks: 15) Q1. Choose any 3 types of Intangible asset and explain them. Differentiate between goodwill and trademark & tradename (any 4). Write about the procedure...

1. Using the definition, find L[et-1)*1, if exists. If the Laplace transform exists, then find the domain of F(s).

In late 2016 an Australian firm announced that it would be starting a project to use the power of waves off the coast in Cornwall in the UK to generate electricity. More entrepreneurs are becoming...

The standards that allow for no machine breakdowns or other work interruptions and that require peak efficiency at all times are referred to as__________.

Please write an summary according to the article. Please don't copy from others and write full view of article in the summary. Value creation. Wealth creation. These are really powerful words. Maybe...

1. Suppose the data in the table was taken from the function f (x) = xcos(x) x sin(x). Find the truncation error for forward difference. www O 16.15 4.1 4.2 O 16.45 O 17.15 f(x) 3.5 3.7 3.9 O 17.45...

Consider the reaction: AgCl(s) > Ag + (aq) + Cl - (aq) (a) Calculate G at 25C. (b) What should the concentrations of Ag + and Cl - be so that G = -1.0 kJ (just spontaneous )? Take [Ag + ] = [Cl -...

Create a Java program that prints out this kind of figure using asterisks. ********** * * * * * * * **********

What is the reason for a utility company charging for demand of electricity?

Spherical glass beads coming out of a kiln are allowed to cool in a room temperature of 30°C. A glass bead with a diameter of 10 mm and an initial temperature of 400°C is allowed to cool for...

In Betty Crockers Cookbook, it is stated that it takes 5 h to roast a 14-lbm stuffed turkey initially at 40F in an oven maintained at 325F. It is recommended that a meat thermometer be used to...

During a fire, the trunks of some dry oak trees (k = 0.17 W/m·K and Î± = 1.28 Ã 10 -7 m 2 /s) that are initially at a uniform temperature of 30°C are exposed to hot...

QUESTION 41 The scatter plot shows the relationship between average number of years of education and births per woman of child bearing age in selected countries. Use the scatter piot to detennine...

Use the following stock quotes to answer this question: 52 WEEK Company Volume Close Chg High Low Aldridge Inc 32,653,080 34.50 -0.20 41.60 33.90 Baker Co 11.508,900 78.10 -2.30 82.30 74.60 Chelsea...

Stock Journal Week 3 Total week Week 8 Week 10 Stock Name Symbol Industry Price Shares Total Price Shares Total Price Shares Total Apple Inc AAPL Electronics $105.97 94 $9,961.18 $100.23 94 $9,421.62...