单词 | Propeller |
例句 | (1) The propeller started to spin around. (2) With a low-pitched rumbling noise, the propeller began to rotate. (3) Can you free the propeller from the weeds? (4) The line became fouled in the propeller. (5) The engine turned a propeller. (6) A rope jammed the boat's propeller. (7) The rope fouled the propeller. (8) Investigators blamed a crack in the propeller. (9) He sat there looking at the dead propeller all the way to Cleveland. (10) Below left: Tsunami, with new propeller, red paint scheme and wave-effect artwork. (11) You have to discard the propeller engine and go back to the drawing board. (12) We needed a new propeller, windshield, wing struts, rudder and other parts to repair the fabric. (13) This produces a lot of propeller noise at the hovercraft terminals, and annoys nearby residents. (14) Many accessories were standard, but the wooden Hartzell propeller could be replaced by a Curtiss Reed metal one. (15) Investigators discovered a malfunction in the propeller pitch control and a worn part in a propeller control system on the left engine. (16) Four feet of propeller blade snapped off, investigators said, and the engine cowling began to disintegrate. (17) In 1871 the Lowe-Vansittart propeller was awarded a first-class diploma at the Kensington exhibition, followed by similar awards worldwide. (18) In a flash I realised that my propeller was tearing great chunks out of his cockpit and he was quite literally trapped. (19) The blades of the Martec propeller are not meshed so they tend to throw open with something of a clonk. (20) As the propeller stopped turning, Grady ran up to the plane. (21) A crane arrived and the propeller from a second engine was removed in preparation for a further engine change. (22) The timing of the gun was precisely synchronized with the turning of the plane's propeller. (23) The crash was caused by metal fatigue in one of the propeller blades. (24) The timing of the gun was precisely synchronised with the turning of the plane's propeller. (25) One aircraft was fitted with a R-1340 geared engine and a three-bladed constant speed propeller with spinner. (26) One said he watched as a metal band holding the propeller flew off and metal peeled away from the engine. (27) Aft of him was stowage space for a collapsible dinghy, maintenance platforms and a spare propeller! (28) The sperm carries just a nucleus cargo, a mitochondrial engine, and a flagellum propeller. (29) So-called commuter planes that carry up to 150 passengers whisper rather than roar because they use the latest propeller technology. (30) Examination of the Mossie revealed a mark on a propeller blade that looked like a bird strike. (1) The propeller started to spin around. (2) The timing of the gun was precisely synchronized with the turning of the plane's propeller. (3) With a low-pitched rumbling noise, the propeller began to rotate. (4) The timing of the gun was precisely synchronised with the turning of the plane's propeller. (31) Even the propeller and engine are jettisoned when the sperm meets the egg; only the nucleus travels farther. (32) While submerged, batteries power an electric motor that drives the propeller. (33) One night during night flying a young airman was killed when he walked into a propeller. (34) Designer William Towns rides the Waterbike, propeller driven in various configurations. (35) Before take off you remove the front cover over the airspeed intake and then start your propeller. (36) One had a geared R-1340 with a three-bladed propeller installed. (37) Most impressive is probably the Mustang nose and propeller at what once was the entrance to Steeple Morden. (38) The result was a mild crash; as they hit the ground(), the propeller broke and the landing gear gave way. (39) Under it, the blade tips of a massive propeller broke the surface in a hypnotic slow rhythm. (40) He saw the propeller contact something and then appear to rotate in the opposite direction as the engine stopped. (41) Pilots normally feather propellers for two reasons: because of engine failure or a racing propeller. (42) The unsteady performance of podded propeller was calculated. (43) Aligning intermediate shaft and propeller shaft after launching. (44) Is the turning effect of the propeller very strong? (45) A turbojet engine used to drive an external propeller. (46) The propeller of the steamboat is a turboelectric propeller. (47) The prophet appropriately appropriated the fund for repairing propeller. (48) Is turning effect of propeller very strong? (49) No, turning effect of propeller not very strong. (49) is a sentence dictionary, on which you can find nice sentences for a large number of words. (50) Yes, turning effect of propeller very strong. (51) The present paper deals with theoretical model of random sequence of exponential attenuate acoustic pulses caused by ship propeller cavitation noise. (52) Suddenly, according to an account in The Washington Post, the crowd saw a little propeller plane buzzing along with a sleek fighter jet flying circles around it. (53) The modeling and control problem, how to use diesel-hydraulic dynamometer test bed to simulate main engine matching with propeller, is studied theoretically in this paper. (54) Add a propeller and a tail fin and it looks exactly like a little plane. (55) In consideration of the fact, that the longer the service time, the greater the probability of accident damage, the overhaul periods of propeller blades with high reliability are also given. (56) In order to analyze the influence of fins, a low-order panel method based on velocity potential was used to predict the steady hydrodynamic performance of a podded propeller with fins. (57) The unsteady Loading noise generated by interaction of a front rotor wake with an aft rotor in a counter-rotating(CR) propeller is analyzed and the noise radiation formulae are derived. (58) The failure of something as small and inexpensive as a split pin can result in the loss of the propeller. (59) The experiment shows that the design propeller has a lower cavitation noise than the original propeller. (60) We want to buy Clutch Disc, Cover, Release Bearing, Clutch Parts, Flywheels, Propeller Shafts, Universal Joint, Clutch Woking Cylinder, Clutch Cables Shaft , Shaft Collars and Bright Bars. (61) We require marine scrap like used propeller shaft, tail shaft, spare shaft, marine used equipments, used anchor chain, used shafting, used marine engine, used marine spares. (62) It is shown that propeller cavitation noise is composed of continual spectrum and separable line spectrum. (63) This propeller would be inappropriate for any common . 40 to. 46 powered sport - aerobatic airplane. (64) The propeller turns a small D . C . generator. (65) The later is used more widely with the developing of the CFD, and it can get more detail data and higher precise result for the propeller design. (66) Drugs are dumped out of propeller planes or unloaded from ships just off the coast of Guinea, Guinea-Bissau, or Sierra Leone, and then broken into smaller parcels to be shipped north. (67) This paper adopts the theoretical method to research the problem on the performance prediction and the design of the propeller operating in ship wake systematically. (68) Through Hap's connections, the Air Force quickly became the think tank's main contractor, and RAND began consulting on everything from propeller turbines to missile defense. (69) Journalistic media is a propeller to the social transformation and development, with its inborn vocation highly congruous with the concept of the harmonious society building. (70) There is always an unstable region or break in the static pressure curve of a propeller fan . (71) Television footage showed the tail of the twin - engined propeller plane visible amid the burning wreckage. (72) The unsteady performances of podded propeller in steady flow and in stern wake field were calculated independently, and the influence of the stern was analyzed. (73) The aeroacoustic field generated by a transonic two - blade Hartzell propeller was calculated by using Kirchhoff method. (74) Juan Carlos Murillo Rodriguez suffered a crush fracture of the L1 vertebral body in a propeller aeroplane crash in 2008. (75) The propeller shaft frequency is one of the important target recognition features for passive sonar. (76) A potential-based surface panel method for podded propeller in steady flow was developed concerning the interaction between pod and propeller blades in hydrodynamics. (77) Each pair(of cylinders) drives one crankpin, via two connecting rods, and the front of the crankshaft is geared down to a slower-running propeller. (78) And the low-frequency broadband noise of the propeller is produced by the interaction between the blades and stern turbulence field. (79) The interaction noise induced by propeller has constituted the main part of the noise radiated from the medium-speed or high-speed marines. (79) is a sentence dictionary, on which you can find good sentences for a large number of words. (80) Fuselage Body, Wings , Landing Skid , Propeller, landing Wheels, Linkage Rod, Cabin. (81) Change into a skateboard, broom, mallet, cannon, flyswatter, propeller beanie and a cloud. (82) According to the controlling requirement of megawatt wind driven generator with variable propeller pitch of horizon axis, the hydraulic control system of a variable propeller pitch is designed. (83) The axial velocity distribution at different radii and longitudinal positions (fore and aft propeller disc) were measured by means of a laser velocimeter. (84) The aircraft power system consists of photovoltaic cells, a regenerative fuel cell, a engine and propeller. (85) The shape of the fuel tank is modified for vehicles with Real Time 4WD to accommodate the propeller shaft and dual exhaust pipe, yet retains the same capacity as 2WD models. (86) According to mechanism of low frequency broadband noise of the propeller, theoretical analysis method is given and numerical calculation of the noise is carried out as well. (87) Heavy machinery plant in Zhengzhou in China Shenzhen Star charcoal Association, the professional production of charcoal products, here rods machine screw propeller how much time needs to be repaired? (88) The value of apparent viscosity is influenced by the diameter of the screw propeller. (89) In the case of heavy load when the advance ratio of propeller is small, the contraction of wake has large effect on the performance of the propeller. (90) Five days later, a propeller plane operated by an affiliate of Continental Airlines (CAL) crashed near landing at Buffalo, NY, killing all 49 people onboard. (91) The methods were studied for predicting range and endurance of a propeller plane at constant altitude. (92) Usually, the fullest efficiency of screw propeller is 75% with the rest energy lost in the way of whirlpool. (93) As for a propeller of a tugboat, it is necessary to calculate the fatigue strength in the self running state as well as the static strength in the bollard state. (94) "It's a variable-pitch propeller, which is like having gears on a bike, " Land says. (95) Because succeeds the joyfulness is the powerful propeller, it can urge the human to advance boldly. (96) The vessel to be propelled by a single-acting two stroke supercharged cross head Diesel engine, acting to a fixed pitch propeller . (97) Inspection machining dimension of propeller shaft ( intermediate shaft or counter shaft ). (98) The measurement of screw propeller is an important procedure in its manufacture. (99) This ship is an aluminum alloy welded catamaran passenger vessel, using symmetrical semi-hull, single deck, upper lower cabins and propeller driven. (100) A simplified model of propeller with infinite number of blades is employed to account for the effect of free wave in this paper. (101) In this paper, the experimental investigation and theoretical study on reduction of the ducted propeller cavitation noise by air injection are presented. (102) Underneath the rear fuselage a large air scoop aspirated the second unit, which powered a three- bladed propeller mounted behind a cruciform tail. (103) With the help of the air dynamic theory of helicopter propeller and propeller fan , the author has completed the structure design of the propellant attaching mechanism. (104) In this paper a method is developed to calculate the hydrodynamic performance of cycloidal propeller at arbitrary direction angle. (105) To solve such problems, Wilbur and Orville Wright had fitted a motor and propeller on a glider. (106) Underneath the rear fuselage a large air scoop unita three - bladed propeller mounted behind a cruciform tail. (107) Have a laser-mediated molding machine, ultrasonic cutting-edge machine, propeller plane over the post-production processes and other advanced processing equipment. (108) Now many propellers are keyless, so we install or remove a propeller by hydraulic pressure. (109) The propeller of the steamboat churned ( up ) the waves. (109) try its best to collect and build good sentences. (110) The blade angle of controllable pitch propeller should be examined and adjusted. (111) The structure of the crystallizer propeller is the same as that of marine propeller. (112) The strength calculation formula of the screw propeller under the action of centrifugal force was obtained through multivariate fitting. (113) The apparatus consists of a single board microcomputer, propeller type velocity sensor, tail fin type flow direction sensor and corresponding interface circuits and software. (114) Cartons categories:-size type knife, knife edge repair, slotted knife, knife windmill shredders, casual propeller plane knife. Pipeline single-blade and CBN grinding wheel, and so on. (115) The turboprop engine is very much like the turbojet. It has an additional part, a propeller. (116) According to mechanism of low-frequency broadband noise of the propeller, theoretical analysis method is given and numerical calculation of the noise is worked out as well. (117) The screw propeller which is used by ships abroad is one typical application of ejecting mode because it is easy to manufacture and install and is reliable . (118) EC - 135 Eurocopter helicopters combined with the low noise ducted propeller end of patented technology. (119) There is always an unstable region or break in the pressure curve of a propeller fan. (120) The results of the axial wake at the propeller plane showed that the calculation method is reasonable. (121) The Methods : Were studied for predicting range and endurance of a propeller plane at constant altitude. (122) If the plane is designed to fly slowly, use a long, low pitch propeller to see the best possible performance. (123) The vessel is to be single fixed pitch propeller propulsion with one (1) low speed diesel engine located aft. (124) The sound of vomiting was heard aBove the drone of the propeller. (125) Screw propeller theory is then used to calculate the axial thrust and to analyze factors that influence the thrust. (126) So it is significative to carry a research on room temperature creep characteristic of propeller shaft. (127) When a plane's propeller , for example, spins through a cloud, the propeller exerts a rearward force. (128) Check for surface contact area ( metallic contact ) between stern shaft and propeller hub tapers. (129) It is a flagellum – the tail - like propeller found in single cells. (130) Having the chords of propeller blades parallel to the line of flight. (131) Make use of the laser-generated cavitation noise to generate false target based on this property(), which is simulation of the cavitation noise generated by submarine propeller. (132) There iss strong vibration in the draft tube of a francis turbine or axial flow fixed blade propeller hydraulic turbine when the turbine is running on part loading. (133) Special shape fiber winding to screw propeller hub splint of helicopter was analyzed. (134) ZTJ series of Screw Propeller are used as cycle stirring devices for lying pulp and paper making industry to keep fiber in suspension and also well-distributed. (135) The cycloidal propeller was developed prior to World War II but was only occasionally used in tugs because of its manoeuvrability. (136) Abnormal noise often occurs in motor vehicle transmission system especially in propeller shaft and final reduction gear. (137) An iterative procedure is required to achieve convergent results. The propeller geometry is defined on a conical coordinate system instead of the traditionally-used cylindrical coordinate system. (138) Hovercraft is a kind of high-powered watercraft. The propulsion system of hovercraft concludes mainframe, power transfer device, thruster, air propeller installation, and assistant system. (139) In view of the resistance and propulsion, the load water line, shape of sections, half angle of entrance(http://), forms of tunnel and their effect on propeller were analysed and compared. (140) This accommodates any effective change of length of the propeller shaft as the rear axles move toward or away from the CAR frame. (141) Two factors can lead to pitch instability: no or too small horizontal stabilizers (h - stabs) on too short a tail and high thrust line propeller placement which destabilises the force diagram. (142) The surface of propeller and its trailing vortex is divided into a number of small hyperboloidal quadrilateral panels with constant source sink and doublet distributions. (143) Our company produces the outboard motor propeller support's factory specially. (144) Caterpillar Arm Pull Interestingly, the paddle wheel or propeller style movement creates lift and thrust. In this case lift adds to thrust. (145) The optimum distribution of circulation on a marine propeller blade is numerically determined by using the lift_line vortex model and variational calculus. (146) Secondly this dissertation analyses two important parts-the screw propeller and the propulsion motor. (147) A marine propeller propulsion system was first analyzed to describe the objective, clew, and procedure for hull-propeller-engine matching. (148) To avoid the inaccuracy caused by this potential flow assumption, propeller designers have introduced the notion of the effective wake. (149) Each pair drives one crankpin , via two connecting rods, and the front of the crankshaft is geared down to a slower-running propeller. (150) The spanner for dismantling the propeller is the steering gear room. (151) Blade twist is important because a propeller moves at much greater speed at the blade tips than at the center hub. (152) Also let us adjust the size or pitch of the screw propeller , then try to get high-speed running. (153) The applications of titanium alloys in torpedo tube, high pressure vessel, severe cooling vessel, sonar dome, water brake cylinder and propeller for naval vessels were introduced in details. (154) A few years later we found ourselves journeying to Russia in the cargo hold of an Ilyushin Il 20M propeller plane, a onetime aerial spy from the cold war era. (155) Different nacelle with deeper ross - section and intake over propeller shaft. (156) When you're done, rebuild jet into a dual propeller plane or a high-speed boat! (157) On the basis of above theoretical model, the spectrum formula of propeller cavitation noise has been derived. (158) The circular BMW logo was a representation of the spinning propeller of a Bavarian Luftwaffe. (159) The three bladed Warp Drive composite propeller was mounted between the two halves of its clamshell hub and the initial blade angle was set. (160) Secondly, we do the initial treatment and non-dimensional treatment of experimental data, and calculate trust coefficient, torque coefficient(), propulsion efficiency of propeller on different status. (161) The asymmetrical skeg is an energy-saving unit which is fixed on the sternpost forward of the propeller on a single screw ship. (162) The hydrodynamic performance of podded propeller is calculated, including the open water characteristics and bearing force. (163) This article elaborated the formation mechanism of propeller cavitation, the noise and the cavitation noise spectrum which produced by the bubbles were analyzed. (164) In the steam engine as a driving force, the propeller propulsion for the ship in the past, large-scale multi-mast sailing has always been a European merchant ships and warships of the main ship. (165) Conclusion The molar root movement controller could prevent the side effects and avoid the second molar buccally positioned movement in the process of molar propeller moving the two molars distally. (166) The boss vortex cavitation of propeller can be avoided by PBCF, and an increase of 2% in propulsion efficiency has been measured in the model tests. (167) It is easy to adapt to the Stirling engine boat, but the propulsive force is lower than that of the screw propeller . (168) A backward flow of air, as from the propeller of an aircraft. (169) IV flying propeller aircraft vertical flight control procedures to ARM - processor. (170) For piston - engine - propeller system, the usual fixed - control case implies fixed throttle and constant RPM. (171) The aluminum propeller which is molded in one body with airfoil design, its exhaust wind is much higher than steeliness propeller that is stroke out and molding. (172) Using this formula to estimate the performance of the cycloidal propeller and comparing the computational results with experimental results, it is shown that the agreement between them is quite good. (173) In this paper, the laser doppler method to measure the turbulence velocity of the jet propeller has been researched. (174) The results reveals that two linear motors could drive the flexible axis to a one and only state, so is the orientation of the vectorial fore caused by the screw propeller. (175) The ship lines advantage they have V head, U-shaped and haft tunnel steen. To a fishing boat of low draught can hold a longer diameter of propeller. But also to raise their speed of ship. (176) Tiny deformation will appear in the local of the propeller shaft of certain ship which is endured an invariableness load, although the shaft stress is within the elastic limit range. (177) The powerplant of propeller aircraft is composed of two main parts, piston engine and propeller. (178) Disconnect the axle or end of the propeller shaft or the universal joint, according to type. (179) In order to satisfy the operation requirement of the rated thrust of the propeller, the propulsion motor performs only in rated torque on the low speed, so the motor power is low. (180) A pusher propeller has been fitted at the rear of the X 2 to provide extra oomph. (181) A fairing fitted over the hub of the propeller in some aircraft. (182) Therefore , it is recommended to adopt the two - step change - speed propeller in the tug design. (183) Abstract: The system of transforming data and generating process data of propeller was introduced. (184) An on-line measurement system of screw propeller for for special Lathe-Mill NC Machine with Seven-Five Axis is developed. (185) How to raise the propeller efficiency has been the key problem in airplane propeller design. (186) Charcoal screw propeller is an important component of the device, the wear rate directly affects the salary bar for quality and yield. (187) Period characteristics of radiated noise at high frequency is investigated by a method based on short time Fast Fourier Transformation,(Sentence dictionary) and propeller speed is estimated. (188) Clutch Disc, Cover, Release Bearing, Clutch Parts, Flywheels, Propeller Shafts, Universal Joint, Clutch Woking Cylinder, Clutch Cables Shaft , Shaft Collars and Bright Bars. (189) Water jet propulsion, widely used in the area of fast-speed ships nowadays, has increasingly taken the place of traditional propeller. (190) When the power required by propeller is so high that the shaft speed cann't arrive a rated value, the tip of propeller can be cut to decrease its load. (191) Can be used in ship industry, cold water treatment, sea water and cold oil, Low pressure valves, rotating equipment, and reciprocating pump hydraulic squeeze machine, the ship propeller equipments. (192) The model is applicable to the reliability analysis and design of infinite life for propeller blades or other structural members with initial defects and accident damage. (193) Sure that at least one propeller was moving in and out of phase. |
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