C reature comforts have always been a need or want debate. One creature comfort that man has used is the fan. Fans started out simple from hand fans into overhead tapestries or carpets through the use of pulleys to create drafts operated by servants. As technology advanced, the need for a more efficient method to circulate air to control the temperature in any given structure became a demand. One example of an early attempt for ventilation was by Dr. John Théophile Desaguliers, toying with the idea of a fire generating heat within a chimney (Fanmakers). With the heat rising up the shaft, it draws the air out of the room that it was installed in. It later evolved into a fan system to expunge the mines of the Earl of Westmoreland of the foul and stagnating air within it. By 1745, he had improved the fan system’s design and installed it at the Houses of Parliament (Fanmakers). Today, we have more sophisticated and evolved versions available for everyone to use.
Fans are an integral technological contraption in society. It is present in all developed locations of the world. And it is one of the most prevalent pieces of technology in the modern age. For example, many aspects of transportation industry, businesses, and personal equipment require the use of fans. Without fans, the modern world would come to a halt from overheating equipment (Brittannica). The types of fans and its uses vary by the different classifications that are available. In this this paper, the three major types of fans will be explored, but the focus will be on axial-flow fan type.
There are major classifications of fan types and their uses. These fan types are the centrifugal also known as radial, the cross-flow or tubular, and the axial flow (Yaskawa Electric Ame...
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...an, however, build up from the tube-axial design. It has added vanes to control the flow of air moving within the tubular housing of the fan to increase or decrease air volume passing through. The vane-axial is widely used among computer technologies as well as automotive engines for cooling parts that are prone to overheating (Yaskawa Electric America, Inc.).
Every fan has its uses and efficiency rating for every applicable purpose in every part of our daily lives. This technological advancement from the manual versions of hand fans, overhead tapestries oscillating back and forth that slaves usedFans are essential to maintaining a favorable indoor climate condition, depending on their size, blade type, classification and output as well as configuration. For without fans, most electronics would fail and the rest of the equipment that depend on fans would fail too.
...lling device, which was opened up usually in the summertime, the ceiling however was covered in fabric from wall to wall.
Muller, S., Prowse, D. L., & Soper, M. E. (2012, September 25). CompTIA A+ Cert Guide: Power Supplies and System Cooling | Foundation Topics | Pearson IT Certification. Retrieved March 20, 2014, from http://www.pearsonitcertification.com/articles/article.aspx?p=1945640
This requires the engine to have a state-of-the-art coolant system. Big tunnels through the perimeter of the engine allows coolant to flow all around the motor at all times and keep the engine cool. The radiator is also much thicker from the factory, and is angled at 45 degrees in the engine bay to maximize air flow. The number one reason why these engines stop functioning is due to a problem with the coolant system.
placing a fan in a window to cool a room. The blood vessels are dilated so the
In order to study the aspects of fluid mechanics that need to be taken into account when constructing our cooling tower, a breakdown of different behaviours of fluids under different conditions must be performed and tested against the flow rate. The experimental design would have to explore the influence of the length of the flow pipe as well as the density and temperature on the flow rate of the fluid.
The texts by bell hooks, and Hector Tobar are very well written as they both talk about the constant changes that they see in their communities. They both depict themselves as being individuals who are different from their community but are still interacting with them. The tension in their texts is caused by the actions as well as race causing them to be lesser in the eyes of their communities.
In How to Keep Warm Ben Franklin tackled this problem a bit differently than the other colonists by inventing a new type of wood burning stove. “Franklin’s idea was a new kind of wood burning stove. He would move the fire from an open hearth into a metal box that was inside the fireplace and connected to the chimney. Behind the metal box, he added a “winding passage” of small metal chambers that made hot air travel a longer path and kept it from escaping so quickly. Metal is a good conductor of heat, so the heat in the metal box was captured and radiated into the
To dig into Yeti’s tools for success, a little background info must be observed. Yeti coolers were introduced in 2006, and so was the idea of a “high
This chart shows the relationship between the fanning friction factor and the Reynolds number over a wide range of flow rates, from which the roughness parameter (e/D) for the piping system can be estimated.
An electric motor is a device used to convert electric energy into rotational kinetic energy. There are two different types of electric motors, and each has there own use. The different types are direct current and alternating current motors. Each of these motors will be analyzed in the following.
Willis Haviland Carrier invented the first air conditioner in 1902. This was designed to boost the working process control in a printing plant. Carrier’s invention controlled temperature and humidity. The low heat and humidity helped keep the paper dimensions and ink alignment the same. Later his invention was used to populate productivity in the workplace. The Carrier Air Conditioning Company of America developed for the increasing demands. Gradually, air conditioning was used to help increase comfort in homes and cars. Residential sales increased rapidly in the 1950's.
Wilson, D. G., & Korakianitis, T. (1998). The design of high-efficiency turbomachinery and gas turbines (2nd ed.). Upper Saddle River, NJ: Prentice Hall.
It is a hot, humid evening in Pittsburgh, Pennsylvania, and you find yourself dripping with sweat. The air is still, and you stick to your sheets as you toss and turn and try to sleep in your house that has retained all of the heat from the summer sun’s rays. Uncomfortable and miserable, you think to yourself, “How did people ever live without air conditioning?” yours has been on the fritz, and you cannot imagine what your life would be like if you didn’t have the luxury of an air conditioning unit in your home. If it weren’t for Willis Carrier, and his ground-breaking invention of a mechanical air conditioning unit in 1902, our lives would be drastically different.
A computer is a device which is used for several applications; business, gaming, or school. It’s important for people to know how computers work because in this day and age, operating a computer is an everyday task. This complex electrical device utilizes several parts inside of it to keep itself cool, conduct the proper tasks, and maintain stability. These devices can be found several places whether it be on the job, in one’s room, or on a school campus. Computers are essential for everyday use in order to complete what is required. What each component is and its function will be described.
It converts the mechanical energy of the rotating shaft caused by wind into electrical energy (Correla, 1986). The focus of this research will be limited to devices that operate as electrical motors.... ... middle of paper ... ...