Energy and electricity have fascinated me ever since I was a teenager. The purpose of this post is to share the progress of energy and electricity from the Industrial Revolution to today. I had the honor of presenting a course at USCB-OLLI (Osher Lifelong Learning Institute) and much of the information presented in that course is presented here.
After presenting the course on energy and electricity generation in February (2021), it occurred to me that it may be interesting for some OLLI members to review of how energy and electricity came to be so important in the lives of all of us. Especially the aspects of Industrial growth, manufacturing and economic prosperity. As I was preparing for the course, the relationship of energy and economic growth became very clear to me. I always thought the relationship of Energy and economic growth was important. Nearly all of the College Professors of Engineering and History simply cover the History of Electricity production or the History of Energy. Few that I have known connect the inter-relationship of Energy and the growth of the “Human Development Index”. If we couple progress in energy production with economic progress, I think it is worth sharing because the application of energy to food production, transportation and industrial output grew geometrically from 1900 to today. Many factors contributed to the sharp rise of America’s HDI (Human Development Index) and manufacturing capacity after the year 1900, but in my view, the importance of abundant and reasonable cost energy has not been taught in Public Education or appreciated by the News Media. So, here is my shot at connecting the dots of the advances in energy and economic prosperity.
I have always loved thermal power plants and spent five decades working in the electric power generation business. Mostly as a “Boiler Engineer”. Over my career I have accumulated a library of old books and technical literature on power generation and most of the illustrations used are from my library.
Let’s start with the importance of “Steam”. We do not hear many references to steam today, but Steam remains important in power generation today and is likely to remain important in the future as well.
So, let’s start with the first steam engines and take a quick trip through the ages of energy and power generation to see how humans have harnessed energy to do our hard tasks and improve our lives.
James Watt is usually given credit for the first commercially applied steam engine of the Industrial Revolution. But, to be fair, there were at least three before him. Hero’s turbine in the first Century and Thomas Savory in 1698 applied steam as a motive force. Then, Newcomen in 1712.
The Industrial Revolution began with the invention of the steam engine. The first version was invented by Newcomen about 1712. This engine uses water to condense the steam vapor beneath the piston which then provides differential pressure between atmospheric pressure and the partial vacuum created upon the collapse of the vapor. A pound of water will expand about 1500-1700 times when changed to vapor. In Newcomen’s engine, it was the collapse of the steam space that created atmospheric pressure to force the piston down and thus operate the pump.
About 64 years later, James Watt invented his version of the steam engine that could generate more force than atmospheric pressure by using high pressure steam.
James Watt’s engine created the potential for greater engine output and became the basis for the Industrial Revolution.
The first electric generation in the U.S.A. was about 1880 by Thomas Edison using a reciprocating steam engine drive. Before getting into electricity generation, it is timely to remember that illumination before the light bulb was provided by whale oil and then kerosene. Thus, it can truly be stated that the oil industry saved the whales.
As we cover the history of energy, I think it is notable to consider the environmental aspects of energy produced in 1850 for illumination. Before Edwin Drake struck oil and started the American oil industry, whale oil or candles were used for night-time illumination. It could be said that Drake, Rockefeller and others involved in the production of oil & kerosene helped to save the whales. Next, the advancements of energy were used to provide transportation. Steam boats and Railroads first used wood and then coal fuel to produce steam power for motive force.
Transportation propulsion systems have been the leader for commercial electric power generation since Edison’s day. First, reciprocating steam engines used as prime movers for steamboats and then locomotives were adapted to stationary generators. Then, steam turbine drives for ships were adapted to stationary power generation. Later, aircraft jet engines were adapted for use as stationary generators and finally, nuclear propulsion systems developed by the US Navy were applied to commercial power generation.
Wood was the primary fuel of the 19th Century and it was used for heating, cooking and transportation via railroad locomotives and steam boat propulsion. The steam engines used for railroads, boat and ship propulsion were later adapted for stationary use in power plants to generate electricity. Interestingly, marine propulsion systems were the basis of technology later adapted to use for power generation. Steam engines, steam turbines, the latest advances in coal boiler developments and even nuclear power generation designs all had their roots in marine propulsion.
Memories and photos of Coal Fueled Steam locomotives of the 19th Century do not help the case for use of coal in today’s power generation plants. The enormous potential power of steam was harnessed for transportation as well as to power the Industrial Revolution. Environmental controls of exhaust gases and particulates came much later.
This is a short course, so there is clearly a compression of a lot of history. It is my hope to take a quick review of the significant inventions of the last 150 years and to show the relationship of energy to the growth of America and our very high quality of living. Until there is a disruption of our energy supply, such as a pipeline shutdown or a hurricane, we tend to take for granted, our place at the top of the “Human Development Index Pyramid”. Energy is at the heart of our high quality of living.
It is true that through the use of our God given energy resources, our lives have progressed to a higher Human Development Index. More on that later when the HDI of other countries is compared to ours.
American civilization grew from an agriculturally based society to an Industrial production-based country in just a few decades. About 1915 and continuing to today, much of the work that our ancestors were subjected to is now accomplished with energy. Heat-Engines lay at the heart of the rapid progress of the last 100 years for food production, transportation, industrial production and Economic progress.
Looking back to the days of my grandfather (born 1895), about 40% of the American population lived in rural areas on farms and it took 40% of the population to produce food for the other 60%.
1900 was a year to keep in mind for both the astounding progress of energy and electricity generation. Also, in that year, the Father of Nuclear Power Generation was born. Hyman Rickover was born in Makow, Poland. It was during his lifetime that he personally developed nuclear power for ship propulsion systems. First for submarines and later for aircraft carriers and then commercial nuclear power generation plants. Rickover’s life was productive and amazing. Truly, this one individual changed the world of power generation over his life-time.
A classic speech given by Rickover in 1957 starts with how man has used energy to improve quality of life. Rickover gave historical milestones in energy going back to the Egyptians. This was part of President Eisenhower’s “Atoms for Peace” initiative. The genesis of peaceful uses for nuclear power.
Muscle power was being replaced by steam, gasoline and Diesel engines. James Watt created a definition of “Horsepower” by performing various tests. The numbers he settled on to describe a “Horsepower” (still used today) are 550-foot pounds of work in a second or 33,000-foot pounds per minute. This is the definition of one horsepower.
The illustration shows a cartoon of a horse pulling a large bucket of coal vertically upward, representing 1 HP.
The Railroads traversed America in the later part of the 19th Century and provided a platform to further advance the development of boilers and steam engines. It was not long to reach the point that coal fueled locomotives could greatly outrun a team of horses and do so for long duration.
Economic Prosperity parallels the advancements in use of machines powered by steam or internal combustion engines are used to replace muscle power.
Karl Benz is credited with building the first gasoline powered automobile about 1886. Later, Henry Ford invents and develops the assembly line to mass produce automobiles and the demand for petroleum soars. Rockefeller had been producing kerosene for illumination up to about 1900. Rockefeller was concerned that Edison’s electric light bulb invention would reduce the demand for kerosene and it did. However, with the steady increase of mass-produced gasoline powered automobiles, the demand from Rockefeller’s Refinery’s was steadily increasing.
The right panel (below) shows the sharp increase in GDP at about 1900. America’s GDP and individual family earnings led the world. In my opinion, much of this sharp increase in economic prosperity is due to the reasonable cost, abundant and domestically available energy which was replacing muscle power.
As seen above, the American Economy soared after 1900. By 1903, America’s GDP per person was the greatest of all of the Industrialized Countries of the world. The U.S.A. GDP/person $8,941 with the United Kingdom second at $7,482. Nearly double that of France and Austria. This coincides with the introduction of electricity distribution, the start of gasoline powered tractors, trucks, the beginning of U.S. Steel, Aluminum and automobiles. Energy use was multiplying the production of primary metals and manufactured products. Much previously produced with muscle and some hydropower.
At the same time that Westinghouse, Edison, Tesla and Allis-Chalmers were building power plants in the U.S.A., Parsons, Brush, Thompson, Siemens and others were taking similar steps in Europe.
Edison invented the Incandescent Light Bulb in 1880. However, carbon arc, electric lights were used for street lighting about 1870. (Carbon Arc Lighting was invented by Humphry Davy in early 1800’s using hundreds of batteries to produce the voltage needed for an arc)
Werner Von Siemens invented the Dynamo in 1866. Another European, Nikola Tesla became interested in Alternating Current and invented the Poly Phase Motor. Tesla then found work at an Edison Power Plant in Paris. Tesla was able to work out a transfer to Menlo Park to work directly with Edison.
Edison was convinced that A/C power was not as good as D/C power. Tesla correctly favored A/C because of the ability to transform to higher voltages for long distance transmission and also because the Poly Phase A/C system worked well with his Poly Phase Motor.
Tesla leaves Edison’s employment and struggles in business by himself for a while. Then, Tesla and George Westinghouse team up together. By 1890, Westinghouse had invented the Transformer and this plus Tesla’s inventions of Poly Phase Motors and A/C current create a harmonious and productive team effort of Tesla and Westinghouse. One milestone project that Westinghouse topped Edison on was providing the generators for the first hydro-electric plant at Niagara Falls. The advantages of Alternating Current made longer distance power transmission possible. With Direct Current that Edison favored, the wires could only transmit power about a mile.
There is much written on the “Current Wars” between Edison and Westinghouse. The American Juris Prudence System does not look so great in retrospect and especially the harsh handling of the engineering excellence that was applied by Tesla and Westinghouse. J.P. Morgan gets involved as a major investor in Edison General Electric which then becomes, “General Electric” and Tesla’s Patents on the Poly Phase Motor and Alternating Current become the basis for the American Electric Grid. From what I have read, it was the deep pockets of J.P. Morgan that held Westinghouse back.
The disputes between Westinghouse and Edison were not very harmonious to put it mildly.
Steam Power requires a steam generator or boiler. As is the case today, Thermal Power Generation provides most of teh world’s electricity. Steam boilers are important and Babcock & Wilcox invents the inherently safe, water-tube boiler in 1867. I will give a few examples of boiler safety later.
The difference between a “Water-Tube” and a “Fire-Tube” Boiler is the manner in which the heat is transferred from the products of combustion to the water to create high pressure steam. A Fire-Tube Boiler has a large diameter shell (like a Locomotive Boiler) with the hot gases passing through tubes that pass through the large diameter shell. Steam engines are the prime movers for generators of either A/C or D/C and to have steam, so a reliable high-pressure boiler. Is needed to provide the steam supply. There are two types of boilers, Fire-Tube and Water-Tube. The fire tube boiler is a typical design which is similar to steam locomotives of the 19thand 20th Centuries. The products of combustion leave the fire box and the hot gases of about 2,000-2,500 degrees F. enter tubes which pass through a large pressure vessel. Heat flows from the hot gases through the fire tubes and into the water contained in the large cylindrical pressure vessel. The larger the steaming capacity the larger the boiler cylinder needs to be.
This evolution of boilers is taking place in 1850 to 1900 and steam engines for ships, locomotives and stationary power generation systems are getting larger and larger. Thus, the boiler pressure vessels had to grow in diameter as well.
The science of Welding and Metallurgy was in its infancy and steel plates were rolled into cylinders to form boiler shells but instead of welding the seams as is done today, they were caulked and riveted. The many riveted joints were an inherent weakness of large pressure vessels.
The inherent safety risk of Fire-Tube Boilers was that the shell diameter for a large capacity boiler must be very large. In the 19th Century and in fact, until about 1930, boilers were constructed using rivets to attach the shell plates together. Welding was not applied to boiler pressure parts till about 1930. Thus, the rivets combined with relatively primitive advances in steel manufacturing and metallurgy, created a high risk for failure of the pressure parts. Between 1895 and about 1910 there was about one major boiler explosion per day. Often each individual boiler explosion would kill dozens of people. Here are a few examples of terrible boiler explosions.
The American Society of Mechanical Engineers (ASME) is Founded in about 1880 and one of the main reasons is to work as an organization to improve the safety of the public. The first edition of the ASME Boiler and Pressure Vessel Code is published about 1915.
Niagara Falls became the first major Hydro-Electric Plant in the USA and I believe, the largest in the world at the turn of the Century. A beautiful and environmentally friendly way to harness the energy of falling water.
Niagara Falls was an important milestone for power generation. But the enormous demand that began with the 20th Century was satisfied by heat-engines. Reciprocating Steam engines and steam turbines.
Meanwhile, in England, Charles Parsons is experimenting with steam turbine designs. As with steam engines, the first major applications of steam turbines are for ships. One of the notable steam turbine applications was to the Royal Navy Ship the Turbinia.
The British turbine powered “Turbinia” was built about 1894. This ship was demonstrated by Parsons to the Royal Navy as being twice as fast as reciprocating steam engine powered ships of the time. Marine applications tend to lead stationary power plants into the nuclear age with the first of a kind used for ships and the Navy, both in Europe and the U.S.A.
In America, about 1900 the transition from steam engines to steam turbines began. In this figure below there is one huge steam engine with a large flywheel in the foreground. In the back can be seen three smaller, but larger capacity steam turbines. From 1900-1915 numerous manufacturers of steam turbine drives came to be. Among them: Westinghouse, General-Electric, Allis-Chalmers, Charles Parsons, Brown-Boveri and Siemens.
In London and other large cities, Central Stations were built to generate electricity for the surrounding area. With DC current, it was only practical to extend wires for about a mile square. Later, AC was used which can be transformed to higher voltage and transmitted over longer distances. The slide of the London Power Station shows the typical arrangement of equipment in this time. Note the belt drives to the Dynamos located on a level above the steam engines and the water-tube boilers.
Energy use is not just for electricity. Even today, about 63% of our primary energy is used for transportation, industrial production and heating. About 37% of America’s energy is used to generate electricity. Automobiles become common and at the turn of the Century, the Internal Combustion Engine was welcomed as a great improvement for the environment. Cars and trucks powered by gasoline engines were a lot cleaner than horses. Petroleum became the largest portion of our energy use following WWII and continues to this day to be the major source of primary energy. Increased Industrial production, improved comforts and conveniences, improved quality of life and the resulting economic activity after 1900. All of these increased demand for most forms of primary energy and electricity.
Both marine uses and stationary power generation prime movers make progress from reciprocating steam engines to turbines and to advanced boiler designs for safety, improved efficiency and reliability.
The illustration below shows a diagram of how using coal as a source of heat energy is converted to steam which is then converted by a steam turbine to shaft “Horsepower”. Keeping in mind the definition of a horsepower is 33,000-foot pounds of work in one minute. In this example, using coal that has 11,500 Btu’s per pound, the potential work equivalent is 11,500 multiplied times 778-foot pounds per Btu. At 100% efficiency, this one pound of coal would produce about 9-million-foot pounds of potential work. The enormity of this heat energy provides insight into the tremendous energy provided by steam and also, the stored energy within the pressure containment of a steam boiler. This brings us to the advancements in safe design and construction of steam boilers over the next few decades.
The demand for electricity grew sharply after the inventions of motors, air conditioning and home appliances. Refrigerators became commonly used in homes beginning about 1927.
Coal fuel was the predominate fuel during this period for electricity generation. Steam turbine drives as prime movers had grown in size and reliability. The steam boilers larger and larger. Welding of boiler pressure parts was advanced after about 1930 and steam boilers became larger and more safe. Overall, the coal plants became quite large. Here is an article that appeared in “Combustion Magazine” during the 1930’s.
At about this same time, pre WWII, Frank Whittle invented the Jet Engine. This basic design was later used after WWII as the besis for stationary Gas Turbine Drives for generators.
Frank Whittle of the UK is generally given credit for design of the jet engine. It is thought that Von Ohain in Germany had access to Whittle’s Patent before his work.
Only twenty-two years old when he first conceived the idea of a continuous cycle combustion engine in 1933, von Ohain patented a jet propulsion engine design in 1934 that was similar in concept to that of Sir Whittle but different in internal arrangement.
Von Ohain joined Ernst Heinkel in 1936 and continued with the development of his jet propulsion concepts.
He successfully bench tested of one of his engines in September 1937 and a small aircraft was designed and constructed by Ernst Heinkel to serve as a test bed for a new type of propulsion system known as the Heinkel He178. The Heinkel He178 flew for the first time on August 27, 1939.
G-E progressed using Whittle’s design to develop both aircraft and stationary gas turbines for power generation.
Following WWII, America’s Industrial might continued with the rebuilding of Europe and Japan with the Marshall Plan. Energy use increaded as did manufacturing capacity. Along with the energy and manufacturing capacity increases came increased Economic growth.
The growth of energy consumption is shown above. This growth in energy can be compared to the GDP of Economic growth in the chart below which is copied from “Our World in Data” website.
The chart below was prepared by ExxonMobil for their Energy Outlook publication. The data is from the World Bank and the United Nations. The point is, the Human Development Index is related to energy avalaibility and use. More energy use can be parlayed into a better quality of life. The foregoing text and illustrations show how the U.S.A. progressed from an Agrairian Economy in the 19th Century to become the most productive Industrial Economy of the world by the mid 20th Century. Of course, Economic Freedom had much to do with America’s rise, but so did the availability of abundant and reasonable cost energy. This will conclude Part 1 of this post. Part 2 will show the relationship of energy and economic prosperity from 1950 to the present day.
Conclusions and Summary:
- America progressed from wood and whale oil fuels to the more abundant and increased energy density of coal and oil in about 50 years, 1850-1900.
- Our economy progressed and quality of life improved as more muscle labor (human and animal muscle) saving machines were invented, produced and utilized.
- Steam engines and steam turbines were the prime mover of choice for ships, railroads and agriculture until the various versions of internal combustion engines were invented and manufactured. The gasoline Otto Cycle and the Diesel Cycle engines were invented and began production in the late 19th Century.
- The first major oil discovery in Texas is Spindletop, 1901. This begins the long and productive history of oil production in the state of Texas.
- Willis Carrier invents modern air conditioning and humidity control 1902.
- Henry Ford revolutionized automoble transportation starting about 1903.
- Agricultural production is vastly more productive by the replacement of horse muscle power with mechanized tractors powered by gasoline or Diesel internal combustion
- Carnegie and United States Steel become the largest steel manufacturers in the world after 1901
- Charles Martin Hall invents and perfects the Aluminum Smelting process in 1888. The Pittsburgh Reduction Company produces aluminum used in the Wright Brothers “Flyer” 1903. Later the name is changed to the Aluminum Company of America and the acronym, ALCOA
- Production of both Steel and Aluminum are both very energy intensive. Thus, abundant, reasonable cost energy is required for the steel and aluminum industries to grow as they did.
- About 1928 General-Electric produces home refrigerators for preservation of food.
- Texas begins development of the Permian Basin oil fields, 1928
- During WWII America becomes the “Arsenal of Democracy” and along with our Allies save Western Civilization. The Allies “Arsenal” was fueled mostly by American produced energy, mostly coal and oil.
- Captain Hyman G. Rickover has a vision for nuclear propulsion system for submarines and nearly singlehandedly, designs and then leads a team to build the first nuclear powered submarine, the Nautilus which puts to sea 1955.
- President Eisenhower launches “Atoms for Peace” Initiative for Peaceful uses of atomic energy. Begins at Atoms for Peace Conference in Geneva, 1955
This is Part 1. Part 2 to follow in the near future. The purpose of this post is to show the importance of reliable, reasonable cost and abundant energy. Energy to power our high quality of living. Our energy has been reliable, low cost and abundant for decades. My observation is that people have become accustomed to reasonable cost and reliable energy for so long that we take it for granted. The environmental extremists on the other hand, have attacked all conventional forms of energy including Fossil Fuels and nuclear which together comprise about 90% of the energy that we depend on.
The foregoing list of 15 accomplishments is intended to show the relationship of energy to high quality of life and economic prosperity. If energy availability is reduced, then our quality of life and economic prosperity are harmed. Up to this point in history, we have always increased energy production to meet the demand of our growing population.
Dick Storm, January 13, 2022
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