Heating Ventilating and Air Conditioning: Analysis and Design
6th Edition
ISBN: 9780471470151
Author: Faye C. McQuiston, Jeffrey D. Spitler, Jerald D. Parker
Publisher: Wiley, John & Sons, Incorporated
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 3, Problem 3.50P
A water coil in Problem 3-48 cools return air to the cold deck condition. Determine the coil load (for the one zone) and sketch the processes for the entire system on a psychrometric chart. Find the volume flow rate entering the coil in (a) English units and (b) SI units.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Hi, can you only help with A and B here? I am looking to get this started. Please draw a clear schematic if you think it differs from the picture in any respect.
Full work and steps please. Bug and clear handwriting please
Thank you
17) What is the approximate Peritectic Temperature for the system?
Chapter 3 Solutions
Heating Ventilating and Air Conditioning: Analysis and Design
Ch. 3 - A space is at a temperature of 75 F (24 C), and...Ch. 3 - Determine the humidity ratio, enthalpy, and...Ch. 3 - Suppose the air of Problem 3-2 is at a pressure...Ch. 3 - What is the enthalpy of moist air at 70 F (20 C)...Ch. 3 - The inside surface temperature of a window in a...Ch. 3 - What is the mass flow rate of dry air flowing at a...Ch. 3 - Determine the dew point of moist air at 80 F (27...Ch. 3 - A room is to be maintained at 72 F (22 C) db. It...Ch. 3 - Air is cooled from 80 F db and 67 F wb until it is...Ch. 3 - Conditions in a room are measured to be 80 F db...
Ch. 3 - The environmental conditions in a room are to be...Ch. 3 - Air enters a cooling coil at the rate of 5000 cfm...Ch. 3 - Air flowing in a duct has dry and wet bulb...Ch. 3 - Air is humidified with the dry bulb temperature...Ch. 3 - Air at 38 C db and 20 C wb is humidified...Ch. 3 - Two thousand cfm (1.0 m3/s) of air at an initial...Ch. 3 - Air at 40 F (5 C) db and 35 F (2 C) wb is mixed...Ch. 3 - Rework Problem 3-25, using Chart 1a, with the...Ch. 3 - The design cooling load for a zone in a building...Ch. 3 - Assume that the air in Problem 3-22 is supplied to...Ch. 3 - The sensible heat loss from a space is 500,000...Ch. 3 - Air enters a refrigeration coil at 90 Fdb and 75...Ch. 3 - A building has a total heating load of 200,000...Ch. 3 - Reconsider Problem 3-36 for an elevation of 5000...Ch. 3 - The system of Problem 3-34 has a supply air fan...Ch. 3 - An evaporative cooling system is to be used to...Ch. 3 - A cooling system is being designed for use at high...Ch. 3 - Consider a space heating system designed as shown...Ch. 3 - A variable-air-volume VAV cooling system is a type...Ch. 3 - Rework Problem 3-43 for an elevation of 5000 feet...Ch. 3 - The design condition for a space is 77 F (25 C) db...Ch. 3 - Rework Problem 3-45 for an elevation of 5000 feet...Ch. 3 - It is necessary to cool and dehumidify air from 80...Ch. 3 - Conditions in one zone of a dual-duct conditioning...Ch. 3 - Rework Problem 3-48 for an elevation of 5000 ft...Ch. 3 - A water coil in Problem 3-48 cools return air to...Ch. 3 - A multizone air handler provides air to several...Ch. 3 - Under normal operating conditions a zone has a...Ch. 3 - An interior zone of a large building is designed...Ch. 3 - Outdoor air is mixed with room return air to...Ch. 3 - Consider an enclosed swimming pool. The pool area...Ch. 3 - One particular zone served by a multizone air...Ch. 3 - A research building requires 100 percent outdoor...Ch. 3 - A space requires cooling in the amount of 120,000...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
What parts are included in the vehicle chassis?
Automotive Technology: Principles, Diagnosis, and Service (5th Edition)
Determine the force in members BC, CF, and FE and state if the members are in tension or compression. Prob. F5-...
Statics and Mechanics of Materials (5th Edition)
3.58 The transmission tower shown is subjected to a horizontal wind force of 400 lb acting at point B. Support ...
Applied Statics and Strength of Materials (6th Edition)
The temperature of water at outlet.
Introduction to Heat Transfer
What are some of the common causes for failure of mechanically fastened joints?
Degarmo's Materials And Processes In Manufacturing
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
- i need the answer quicklyarrow_forward4. If the chilled water is being supplied at 45°F, and the coil is selected so that the chilled water temperature rise is 10°F, what is the required chilled water flow through the coil in GPM?arrow_forwardIf 14 gpm of water is flowing through an open-loop heatpump with a temperature difference of 78F, how muchheat in Btu/h is being absorbed or rejected in the heatpump? Show all work and units.arrow_forward
- Time constant of thermocouple is 5 milliseconds. An engineer measures the temperature of water and sees that the temperature is less than the real temperature of the boiling water (100 C). How long does the engineer need to wait at least to see the 98 C? none of the above 20 milliseconds 10 milliseconds 15 milliseconds not sufficient information 17 millisecondsarrow_forward* It required to design a ducting system to condition the building shown in figure (1). The uantity of outdoor is (20%) of supply air. Using information in table, find 1- The sensible and latent load for cooling coil. 2- The quantity and condition of supply air to each place. 3- By using equal pressure drop method, design the rectangular ducting system with maximum height side (600mm). 4- Illustrate the all process on psychometric chart. Outdoor 45 °C db & 30% RH Out let type Celling conditioning indoor conditioning 24 °C db & 50% RH diffuser Number of diffuser 2 for each place 15 kpa 10 kpa 15 kpa By pass factor Apparatus dew point 9°C Ap losses diffuser Ap losses filter Ap losses coil 0.15 R/w 1.5 бm бm бm Room (1) Room (2) RSH=6KW Room (3) 4m RSH=8KW RSH=8KW RLH=2KW RLH=1KW RLH=2KW 2m AHU Mechanical Room (4) RSH=20KW 4m Room RLH=3KW 4m 14marrow_forwardPlease answer questions g, h, and i. g.Calculate the heat transferred in the condenser. h.Calculate the diameter of the pipe connecting the turbine to the condenser. Design data for the plant shows the following pipe diameters. i. Calculatecooling water flow rate in GPM (‘gallons per minute’)through the condenser if the temperature of the cooling water increases from 13 C to 24 C in the condenser.arrow_forward
- A Thomas meter is located in an air duct of 2 sq ft cross-sectional area. The air weighs 0.083 lb per cu ft, and its specific heat is 0.24. Assume a controlled temperature differential of 5° and heater potential of 110 volts. Plot the velocity as abscissa and amperage as ordinate for veloc- ity 0 to 300 ft per min. Assume constant amperage of 3, and plot tem- perature difference against velocity. Discuss the curves from the stand- point of accuracy of the system.arrow_forward3. Show complete solution and illustration.arrow_forwardcould you help me with this problemarrow_forward
- Three water coils are connected in parallel. The water supplied to the coils feeds into a commonreturn line. The first coil feeds 60 gpm of 125 o F water into the return line. The second coil feeds 50gpm of 120 o F water into the line. The third coil feeds 50 gpm of 118 o F water into the commonreturn line. What is the temperature of the water in the common line after the three streams ofwater mix?arrow_forward10. A system with flow rate of 18 gpm requires a motor to turn at 800 rpm. What size motor should be selected? Assume a volumetric efficiency of 95%. 11. Describe the difference hetween inline and suh plate mounting of budraulic avenarrow_forwardPlease show all steps. And please don't copy.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
The Refrigeration Cycle Explained - The Four Major Components; Author: HVAC Know It All;https://www.youtube.com/watch?v=zfciSvOZDUY;License: Standard YouTube License, CC-BY