what are some disadvantages of wind tunnel testing?
1216
['Poor flow quality possible in the test section. Flow turning the corner into the bellmouth may require extensive screens or flow straighteners. ... ', 'High operating costs. The fan must continually accelerate flow through the tunnel.', 'Noisy operation.']
954252
['Operator incompetency. You must ensure your employees are adequately trained so they are able to carry out their roles competently and safely.', "Slipping. If you don't secure loads properly it can result in slipping material.", 'Mechanical failure. ... ', 'Two blocking.']
656203
['Expensive. High-technology vehicles and equipment are expensive. ... ', 'Safety and security concerns. Though it has been successfully programmed, there will still be the possible unexpected glitch that may happen. ... ', 'Prone to Hacking. ... ', 'Fewer job opportunities for others. ... ', 'Non-functional sensors.']
801550
['Writen advantage. -Pernment record of message. ... ', 'Written disadvantage. -feedback slower and more difficult. ... ', 'Oral advantage. -get to know each other. ... ', 'Oral disadvantage. -no record kept. ... ', 'Body language advantage. -powerful tool. ... ', 'Body language disadvantage. ... ', 'Visual advantage. ... ', 'Visual disadvantage.']
709488
['Unpredictable. Wind is unpredictable and the availability of wind energy is not constant. ... ', 'Costs. The cost-competitiveness of wind power is highly debatable. ... ', 'Threat to Wildlife. ... ', 'Noise. ... ', 'Looks.']
303681
['Advantage: Better Division of Labor. ... ', 'Advantage: Greater Creative Input. ... ', 'Advantage: Increased Employee Morale. ... ', 'Disadvantage: Too Many Faux Leaders. ... ', 'Disadvantage: Conflicts in Working Styles.']
157151
['Testing may increase anxiety and stress for some individuals.', "Testing does not eliminate a person's risk for cancer.", 'Results in some cases may return inconclusive or uncertain.']
561460
The main disadvantage of microwave transmission is that microwave towers can exchange data only if they have a clear line of sight between them with no obstacles such as buildings, slopes or trees in the way. Different disadvantages incorporate signal absorption by the atmosphere, weather obstruction and cost.
79134
The testing conditions may cause students to perform poorly such as when students might miss questions not because they do not know the material but for something as simple as the testing centre had poor lighting that caused headaches in students, or because the testing room was too cold and did not allow certain ...
933299
As far as passengers are concerned, one of the more hazardous consequences of encountering a jet stream is clear air turbulence. It's a result of the vertical and horizontal wind shear associated with jet streams, and pilots can't see it coming because it isn't associated with a weather pattern.
249330
['Bumpy ride. ... ', 'Steering problems. ... ', 'Braking problems. ... ', 'Fluid leaks. ... ', 'Unusual tire tread wear. ... ', 'Mileage.']
875699
Disadvantages: A high possibility that pollen grains won't reach and fertilize or pollinate the plant . The plant has to invest a lot into making polling so that it can pollinate other plants. The direction of wind must right as well as speed.
16900
['Once an application is in the testing stage, it is very difficult to go back and change something that was not well-thought out in the concept stage.', 'No working software is produced until late during the life cycle.', 'High amounts of risk and uncertainty.']
95006
Advantages. The advantages of wind energy are more apparent than the disadvantages. The main advantages include an unlimited, free, renewable resource (the wind itself), economic value, maintenance cost, and placement of wind harvesting facilities. First and foremost, wind is an unlimited, free, renewable resource.
1336168
['Drones Have Short Flight Time. The drone is powered by high-performance lithium polymer batteries. ... ', 'Drones Are Easily Affected by The Weather. ... ', 'Drone Wireless Problems. ... ', 'Precise Operation is Difficult.']
783693
Drones Offer Risks, Underwriting Challenges. One of the biggest risks, it said, was from radio frequency interference, resulting in loss of control, and, in the worst cases, fatalities. Other problems include invasion of privacy, aerial surveillance and data collection.
1021558
["It doesn't work. ... ", 'No ongoing support. ... ', 'Security risks. ... ', 'Productivity risks. ... ', 'Economic risks. ... ', 'Penalties.']