 In the design of a wheel to meet given requirements, it is necessary to make its peripheral speed such as to create the desired pressure, and then so proportion its width as to provide for the required air volume. Evidently the velocity and corresponding...  Cassier's Magazine - 227 페이지1906전체보기 - 도서 정보
 | Walter Bradlee Snow - 1899 - 338 페이지
...with that required to operate a fan properly proportioned to the work. In the design of a fan-wheel to meet given requirements it is necessary to make...proportion its width as to provide for the required air-volume. In practice the actual 01) 'T?" I <u 6 to .2 4 e5 z £ Relative Revolutions of Fan FlG.... | |
 | B.F. Sturtevant Company - 1898 - 410 페이지
...compared with that required to operate a fan properly proportioned to the work. ,\ Design of Fans. — In the design of a wheel to meet given requirements...its width as to provide for the required air volume. Jxlently, the velocity and corresponding pressure may be obtained either with a small wheel running... | |
 | Henry Coddington Meyer - 1903 - 258 페이지
...the BF Sturtevant Company, the following quotations relating to the design of fans have been taken : "In the design of a wheel to meet given requirements,...high speed or a large wheel running at low speed. But if the diameter of the wheel be taken too small, it may be impossible FIGURE 51. — CROSS-SECTION,... | |
 | Henry Coddington Meyer - 1912 - 278 페이지
...the BF Sturtevant Company, the following quotations relating to the design of fans have been taken: " In the design of a wheel to meet given requirements,...to make its peripheral speed such as to create the deyyy e' »* »• ay. » Fig. 53. Cross Section, Power House, Olympia Mills. sired pressure, and then... | |
 | 1897 - 484 페이지
...loss in efficiency as compared with that required to operate a fan properly proportioned to the work. In the design of a wheel to meet given requirements...speed such as to create the desired pressure, and then to so proportion its width as to provide for the required air volume. Evidently, the velocity and corresponding... | |
 | 1898 - 454 페이지
...temperatures, and Mast be taken into account when heated air or gases are handled. In the design of a fan wheel to meet given requirements it is necessary to...speed such as to create the desired pressure, and then to so proportion its width as to provide for the required air volume. If possible a fan should never... | |
| |
