the energy consumed. Absorption chillers are rated in fuel consumption per ton cooling. Electric motor driven chillers are rated in kilowatts per ton cooling. • KW/ton = 12 / EER • KW/ton = 12 / (COP x 3.412) • COP = EER / 3.412 • COP = 12 / (KW/ton) / 3.412 • EER = 12 / KW/ton • EER = COP x 3.412 If a chillers efficiency is rated at 1 KW/ton‚ • COP = 3.5 • EER = 12 Cooling Load in - kW/ton The term kW/ton is commonly used for larger commercial and industrial
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DATA AND RESULTS Substances Treatment Observation Rapid cooling Slow cooling Benzoic acid + NaCl + congo red Heat and filter Colorless solution‚ Coarse crystals Colorless solution‚ Fine crystal Crystallization is a highly effective method for the purification of organic substances‚ provided that the physical properties of a given compound permits its purification in this manner. Solid organic compounds when isolated from organic mixtures or reactions are seldom pure; they are usually contaminated
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Diego‚ CA 92101‚ United States Received 28 September 2006 Available online 14 November 2007 Abstract Numerical simulations were performed to predict the film cooling effectiveness and the associated heat transfer coefficient in a 1-1/2 turbine stage. The leading edge of the rotor blade is film cooled with three rows of film cooling holes. The rotor tip leakage has been investigated for a clearance of 0.8% of blade span. Sliding grid is used for the rotor domain‚ and interface technique is employed
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of this problem‚ Advanced Chemicals Limited (ACI) introduces the body cooling lotion will moisture the body and also keep the skin safe from sunburn. Body cooling lotion uses menthol which keeps the whole body cool and gives energy to the working people to work under heat. Besides that‚ who are beauty conscious can get the fresh look and moisture skin by using this body cooling lotion. And the most important thing body cooling lotion also deals with physical side like by using this lotion people
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system utilizing solar energy would generally be more efficient‚ cost wise‚ if it was used to provide both heating and cooling requirements in the building it serves. Various solar powered heating systems have been tested extensively‚ but solar powered air conditioning systems have received very little attention. Solar powered absorption cooling systems can serve both heating and cooling requirements in the building it serves. Many researchers have studied the solar absorption air conditioning system
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ice-cold bath the best cooling device to cool a soda? The goal of the project is to determine which type of cooling device will be effective in cooling a soda. In other words‚ the effect of cooling devices on soda cans. There will be four types of cooling devices used for the experiment. An ice-only bath with no water added‚ a freezer chamber‚ a refrigerator‚ and an ice-water bath with both ice and water added. This is the independent variables being tested‚ the four levels of cooling devices. The measuring
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Palmolive Category Personal Care – Toothpaste Sector FMCG Tagline/ Slogan Switch on the power of freshness USP Colgate Max Fresh gel is infused with cooling crystals for a whole new dimension of freshness STP Segment Personal Care – Oral Hygiene – Gel Toothpaste Target Group Men and Women Positioning Colgate Max Fresh with Cooling Crystals providing fresh breath and long lasting freshness that can be seen SWOT Analysis Strength 1. Toothpaste contains menthol‚ a mouthwash ingredient
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Bulacan State University College of Architecture & Fine Arts City of Malolos TOA 123 [pic] 2nd Semester AY 2009‐2010 Arch. Godesil G. Lejarde Instructor TOA 123 Theory of Architecture 2 Arch. GGLejarde
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OBJECTIVES: 1. to investigate the heating process for solid dodecanoic acid 2. to investigate the cooling process for liquid dodecanoic acid 3. to determine and compare the melting and freezing points of dodecanoic acid SUPPLIES: Equipment ring stand buret clamp hot plate test tube (18mm * 150 mm) assembly (half full with solid dodecanoic acid with thermometer embedded) beaker (400 mL) thermometer for water bath lab apron safety goggles Chemical Reagents dodecanoic acid‚ C11H23COOH
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phase and fast cooling in the quench medium such as water‚ oil‚ salt solution‚ or air to produce microstructure of martensite. The martensite gives hard and brittle properties of steel. Usually‚ for heavy steel components‚ the hardness decreases at the core of component because the microstructure formed is ferrite and pearlite. While at the surface of the component have higher hardness. The difference of the hardness between the core and surface can be explained by Continuous Cooling Transformation
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