Notes on heating and ventilation

John Robins Allen

Sujets

• Heater
• Ventilation

Informations

• Publié par: les_archives_du_savoir
• Nombre de lectures: 5
• Langue: English
• Poids de l'ouvrage: 11 Mo

Extrait

utes on
andHeating
Ventilation
ALLENLIBRARY
OF THE
OFUNIVERSITY CALIFORNIA.
%.
ClassNOTES
ON
ANDHEATING VENTILATION
BY
ALLENJOHN R.
JUNIOR PROFESSOR MECHANICAL ENGINEERING
UNIVERSITY OF MICHIGAN
MEMBER AMERICAN SOCIETY MECHANICAL
ENGINEERS
ENGINEERINGDOMESTIC
JEFFERSON STREET58-64 NORTH
CH ICAGO
1905C
COPYRIGHT
DOMESTIC ENGINEERING
1906Preface
The this book are a brief resumechapters comprising
of the lectures delivered the author to the classes inby
and ventilation at the ofheating University Michigan.
The matter was first as a seriessubject published of
articles in DOMESTIC ENGINEERING.
The book has been written for the steam-primarily
fitter and of Itdesigner heating systems. presupposes
a of construction and of theknowledge the operation
forms of and has been reducedsimpler systemsheating
to as brief a form as so that the reader canpossible
find the notes or data desired.readily
The of and hasdesign heating ventilating systems
not been reduced to an exact science. The factor of
inand experience isjudgment designing heating plants
a one. One reason for this is the lack of exactlarge
data some of the mostexperimental governing important
into these calculations. This lack mustfactors entering
be filled from the designer's experience.
The tables of heat losses from surfaces andradiating
the tests of have been from thepipe coverings compiled
results obtained from the made under theexperiments
direction of Prof. M. E. Dean of theCooley, Department
of of The authorEngineering, University Michigan. also
has shown illustrations of tunnel whichsections have
been inused Prof. the of a number ofby Cooley design
central JOHN R. ALLEN.heating systems.
Ann October 1905.Arbor, 30,TABLE OF CONTENTS
PAGE
INTRODUCTION.
of heat and measurement of .... 9temperatureTheory
CHAPTER I.
Heat losses from and rules for thebuildings determining
heat losses in different constructions 13
CHAPTER II.
Different forms of theirheating systems; advantages,
and relative 27disadvantage economy
CHAPTER III.
of a direct and theThe steamdesign heating system
of steam 37properties
CHAPTER IV.
of an indirect steam 59Design heating system
CHAPTER V.
Steam boilers and steam Determination of sizepiping.
and details of construction 69
VI.CHAPTER
Ventilation and the of air humanpollution by beings,
artificial and chemical 91lighting processes
CHAPTER VII.
with reference to ventilation.Heating systems designed
of hot air furnace and fan of venti-systemDesign
lation 99
CHAPTER VIII.
Central their andheating systems; design installation,
with discussion of different methods of carrying
131pipes underground
CHAPTER IX.
airPipe pipe, valves, temperature regulation,coverings,
and exhaust 145heatingwashingPage.Page.
Fan heaters, Horsepower
steel to drive steelplate efficiency plate
. 117 blower 115pressure.varying
Hot air flues. 107size, etc 115 heating .106,speed,
furnace 10929, 103,systems
128 108, 10932, 34, 111, 114, 122, system 103,
140 of 110Fittings example
22 Hot water 152heat loss from. system. .31, 32,Floors,
Human heatfoul air 107 beings,Flues,
friction in table of. . 124 off 95given by
hot air 106 151Humidity 104,
of. ...proportions 107
materials for 126
Indirect steam heat-105recirculating
size for indirect 65of, ing 64,
radiators 64 steam radiators. . 64.59, 60,
Flue radiators, heat
losses, table of. ... 46
Location of mains andFoul air flues 107
risersFurnace hot air 88sys-
tem of29-109 Lighting, pollution
air 93by
G heat off .... 94given by
27Grates
MofGravity system pip-
80 of 88ing Mains, location
return 73, 84
H steam 81. 82. 8373,
of airfor 143 Moistening 104,151Hangers pipe
off hu-Heat bygiven
95man beings steam mains. 70Overhead94illuminants
loss from buildings..
13. 2622, . . 147Pipe covering. .145, 146,
connection 18 of.... 80by Pipes, expansion
21from andexposure Piping, hangers
effect of of anchors for 143height 90,
room on 20 sizes for central heat-
from radiators direct 41 140ing 133,
indirect 60 for steam 73,
46flue 14975, 77, 78. 79, 80, 85,
from fan heater coilsl!9, 120 of 88protection . 146pipe covering. underground systems
nature of 9 of ; 137
11specific Pitch of steam 73piping.
to .... 10relation work Pollution of air in ven-
unit of 10 tilation 93
Heater coils for fan of 92Products respiration
119-122system R
Heating apparatus
14classified 27 Radiation, loss by
30 Radiators, direct steamdirect steamby
49, 50indirect 31 41, 42, 47,
flue 46hot water 32
indirect steamfan 32system
hot air 103 59, 60, 61, 64, 65,66
89134 connection ofpressure heating.High
relative ofof steam efficiencyHorsepower
different ... 42boiler . 72 types