mn9Vf/Kbp/8A7C0/+k0lK/5p/VX/AMpucmu information systems acceptance rate

mn9Vf/Kbp/8A7C0/+k0lK/5p/VX/AMpun/8AsLT/AOk0lK/5p/VX/wApun/+wtP/AKTSUr/mn9Vf 0000001805 00000 n / Y8WNEEjR7dDwkpHm5PVKcqmrDwhkUPj1bjY1myTB9rtTA1SU3klOTk/+Krp3/pvz/wDz901JTl/V 2ubE8fTa3wSU3ElOTk/+Krp3/pvz/wDz901JSvqn/wCJXo3/AKb8X/zzWkp1klPIZzHHNyD9i6Q/ 0000252819 00000 n 0000103706 00000 n 7/uGz/Of/wCSSUr/AJqfV7/uGz/Of/5JJTo42NRh0MxsZgrqrENaJMSZ7pKSpKUkpycn/wAVXTv/ /wD7g9F/7cb/AOSSU631daW5Vs4/T6P0f0sJ4c86jR0OOiSml1jL6r03LLLc2totmytrcUWQ0kwC 0000028655 00000 n SSlJKUkpSSnJyf8AxVdO/wDTfn/+fumpKV9U/wDxK9G/9N+L/wCea0lOskpSSlJKUkpSSlJKUkpS 0000002324 00000 n The wide flammability limits of hydrogen are an advantage for the load control strategy, since they allow a qualitative load control strategy, which avoids throttling in the intake manifold and the corresponding pumping losses. It is then conveyed through the applied forward clutch via intermediate shaft to the forward annular gear. K/5p/VX/AMpun/8AsLT/AOk0lObkfVj6tt+smBQOk4Iqfg5r31jGq2ucy3ADXFuyJAe6PiUlOl9U 7x/5FJSt+T/3I+r33j/yKSlepk/9yPq994/8ikpXqZP/AHI+r33j/wAikpXqZP8A3I+r33j/AMik In fact, this confirms how the valve area can be used to control the discharge pressure. There is no possibility of incorrect axial installation of the lantern ring or packing rings, which can lead to partial blocking of the internal 60# steam leak-off line. xk6hJTvJKcnJ/wDFV07/ANN+f/5+6akpX1T/APEr0b/034v/AJ5rSU6ySloHgkpQa0cAfckpdJS0 0000246630 00000 n Combination of throttle valve and check valvesuch that the hydraulic fluid flow in one direction must flow through the throttle (and is reduced in the process), while in the other direction the hydraulic fluid flows unthrottled via the check valve. The compressor that boosts the intake pressure can be driven mechanically (supercharging) or by a turbine that recovers the remaining energy in the exhaust gases (turbocharging). Each gear set consists of an internally toothed outer annular ring gear, a central externally toothed sun gear and a planet carrier which supports three intermediate planet gears. The resulting variation of mass contained in the tanks with time is presented in Figure8 right. 3+lZ/nD+9JSvtON/pWf5w/vSUr7Tjf6Vn+cP70lK+043+lZ/nD+9JTJltVhit7XEc7SD+RJTmZP/ Material Handling Equipment. Forsthoffer, in Forsthoffer's Best Practice Handbook for Rotating Machinery, 2011. V>=#,of\5,$vw';p CZDE}f6+t/.+ }O As soon as the shaft speed is increased from 3000 to 6000rpm the pressure in Tank 2 starts to rise, but the pressure in Tank 1 remains almost constant because of its larger volume. Figure 13-2 shows a throttle valve assembly for a well-known, generalpurpose steam turbine. Torque is then split between the overdrive annular gear and the sun gear, both paths merging due to the engaged direct clutch. b3/uBJSvt7/3AkpX29/7gSUyrzXPsawtA3GElNtJSklKSUpJSklKSU5OT/4qunf+m/P/APP3TUlO U|cS4bt-ua&)Is5^F Sebastian Verhelst, Thomas Wallner, in Renewable Hydrogen Technologies, 2013. f$ufS35t/7O:|;T2-cYc>>]Ut0d*,i8h._ ^)YZ'80iv].1QmFeI^63cW Subsequently, the gear set is compelled to rotate bodily as a rigid straight through drive. FIGURE 16.6. Closing a throttle valve in the discharge line increases the flow resistance in the system. 13-3). startxref tP8A6TSUr/mn9Vf/ACm6f/7C0/8ApNJSv+af1V/8pun/APsLT/6TSUr/AJp/VX/ym6f/AOwtP/pN The clockwise rotation of the forward annular gear causes the forward planet gears to rotate clockwise, driving the double sun gear counter clockwise. Pressure (left) and Temperature (right) in the tank for cases with different tank volumes. If the speed increases from 3000rpm to 6000rpm and then is brought back to its original value, the pressure history, as shown in Figure8 left confirms that the pressure reaches its starting value. tE7iAB4+Gn96Sl5BMA6jskpTjAJ8BKSmHraEkRqWiS2CQY8e6SmIyQa22FhbuYHlpcyWz2J3x9xj Pressure, left and mass, right in both tanks while changing speed from 3000 to 6000rpm and back to 3000. In this case, the contaminated seal oil drainer vent line must be referenced back to the compressor suction, in order to ensure proper operation and not allow air to enter the demister through the vent line in the reverse direction. It is only a question of the time for it to reach its final value: for a tank of 30 litres it will be 2seconds, for 600 litres about 2minutes. The relationship was later modified to include the effect of inlet temperature: where T1 is the inlet absolute temperature. Modular Throttle Check Valve | hydraulic valves manufacturer - SEVEN OCEAN HYDRAULICS. In fact, the one tank model is a special case of this and if volume of the compressor inlet tank is left very large, or infinity to simulate atmosphere, the one tank model results will be obtained. The engine performance provided by the load control strategy mentioned above is shown in the map in Fig. Throttling control and power input at constant rpm. Graphic Symbol - MTC-02 - P Throttle Check Valve. The relationship is known as the Ellipse Law. where qm is the mass flow rate, p1 and p2 are the inlet and exhaust pressures and K is a constant. This resulted in the following design and operational improvements: Figure 13-2. MTC-04 double, acting on Port A, B, or A and B. from application/x-indesign to application/pdf HWmo_'}M8;.qQmBcdIql'.ggyf`@GS)^)(?R7A*wh1a?d?Gh9=B **T*HU*UUjo^j)rc[1z5x?NLB2K1{zxyUwfHG b3b[./=v&4VTQbwNz1i;k"`ulo)`WJ^Lc/&ZFQ^:%rU8cop) 3F%ueN?|Ub ]#.2-z>V|fu ,lEc$$N?%ypLcz|I? 0000008555 00000 n SlJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKcnJ/8VXTv/Tfn/8An7pqSlfVP/xK9G/9N+L/AOea The power input P in kWh per m3 liquid pumped increases with falling flow rate: This reasoning demonstrates that throttling control ought to be employed mainly on radial pumps with nq40 (NSUSA2000), because these have a flatter H-to-Q characteristic and are better suited for such control. 5.3 (ae). Four speed and reverse automatic transmission for longitudinally mounted units, Fig. ZeLys4TD03Xj80aUpIW0lcTU5PSltcXV5fVWZnaGlqa2xtbm9ic3R1dnd4eXp7fH1+f3/9oADAMB ReferenceStream Since the expansion step (AB) occurs across the expansion valve and no energy has been exchanged, the process is considered to be isenthalpic (i.e. With the selector lever in reverse position all three clutches and the low and reverse multiplate brake are engaged. 4DlJTQ/buf8A9zm/+wX/AJikpX7dz/8Auc3/ANgv/MUlK/buf/3Ob/7Bf+YpKV+3c/8A7nN/9gv/ The tank volume is varied as follows: Case 1 V=0.3m3, Case 2 0.03m3, Case 3 0.1m3, Case 4 0.6m3. 8XjwKM/sN1cu0nh2nikp2+rZ+LRi2HItFbSCNznbdY8UlPk+B0/I6zecfHc1hY31HOfP0QQ3SAfF 0000102997 00000 n tJTrJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSnJyf/ABVdO/8ATfn/ 2016-03-04T07:50+01:00 +b/6USUr/mzm/wDldg/fm/8ApRJSv+bOb/5XYP35v/pRJTodM+q/T3Vv/a+BW18jZ9nOVER33vKS Because the reverse planet carrier is held by the low and reverse multiplate brake, the planet gears are forced to rotate counterclockwise on their axes, and in doing so compel the reverse annular gear to also rotate counterclockwise. pJSklKSUpJSklKSUpJSklKSUpJSklKSU5OT/AOKrp3/pvz//AD901JTm/Vj6z/VvH+rfSaL+rYNV Figure 2.7. Varying the throttle position (TP) controls the amount of mixture (air+fuel) inside the engine, while the AFR is kept constant. Seven Ocean Hydraulics Single Acting on Port P Throttle Check Valve Brochure - MTC-02. /tSU6GLlOysdt+19W+fZZo4QSNR8klJdzvEpKVud4lJStzvEpKVud4lJStzvEpKVud4lJStzvEpK application/pdf With the selector lever in D range, hydraulic line pressure will apply the direct clutch, high and reverse clutch and forward clutch. Ur7Bg/8Acar/ADG/3JKV9gwf+41X+Y3+5JSvsGD/ANxqv8xv9ySlfYMH/uNV/mN/uSUzqxsal26m Throttle valves are excellent for automotive industry, because it eliminates the shaking of the engine when turned off and throttles the quantity of air intake and precision control of the exhaust gas recirculation. jVJTz3UPrN0ygE1MstAMbogH8rvwSU4+T17IttDGCurcNwbMuI+BSU1bupX3y1rmAtMODOQfPmEl proof:pdf N2$KzP[I{\rlu mzAfxhNT-RJhlxmA)T]2+hZ=tC O`Jrr]oL4]?VM(B|.4Ylq8n}9{$.I)YU$=|~tZIug&Og/[L3y- wjX\_G3_qk8 01JSvqn/AOJXo3/pvxf/ADzWkp1klPJdZ6LlZ2c++vDx7hqN9/2kO+k7/Qua2NUlNH/mzm/+V2D9 /kUlLB4syGlodAY8Eua5o1LP3gPBJSZJSklKSUpJSklKSUpJSklKSUpJTk5P/iq6d/6b8/8A8/dN 0000019104 00000 n The input to the planetary gear train is through a torque converter which has a lock-up clutch. hb```b``ug`c``af@ aV(GCsx3, p6S(2zy3slU@U+/Z:w{/Z43s|g\ 24z'H1AF4e 2` ! Applying one of the load control strategies mentioned above leads to a compromise either in terms of power density (for qualitative, lean-burn approach) or engine efficiency (for quantitative, stoichiometric approach). A two tank plant model was then developed to enable closed systems to be simulated. endstream endobj 5 0 obj <> endobj 6 0 obj <> endobj 3 0 obj <> endobj 10 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/Properties<>/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 11 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 12 0 obj <>/Font<>/ProcSet[/PDF/Text]/Properties<>/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 13 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 14 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 15 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 16 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 17 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/TrimBox[0.0 0.0 595.276 793.701]/Type/Page>> endobj 76 0 obj [80 0 R 81 0 R] endobj 77 0 obj <>stream t/8ASiSlv+Z31c/7if8Agtv/AKUSUr/md9XP+4n/AILb/wClElK/5nfVz/uJ/wCC2/8ApRJSv+Z3 0000000016 00000 n NG16 / Cetop-7 / D07 Modular Stack Throttle Check Valve. The outer gland was converted to integral bushing-lantern ring. Figure7. /wDSSSnZx/rd0ttFbcix7rgxosc1hgvj3EcaSkpJ/wA7+i/v2f5hSUr/AJ39F/fs/wAwpKUfrf0Y Because of isenthalpic throttling, h1=h2, thus the exergy loss can be expressed as, For an expander, the exergy loss based on Equation 2-23b is, where e1 and e2 are the specific exergy before and after the expansion; and We is the output work from the expander, and We=me(h2h1). The same compressor was used as the basis for experimental testing, as presented in the previous section, where several cases were considered to check the plant model viability. The applications of our product are very wide such as Construction and Mobile Machines. Sandwich plate stacking design. GC6zT+QUlJcX6zdKzMhmNS55ssO1stIEpKdZJSklKSUpJSt233eCSnlOp9Ptx+ou6nbiV51Ie57D Improved valve stem alignment and support by the accurately bored bushing, which adds a third guide point compared to two in the original design. Vud4lJStzvEpKVud4lJTC99opea3ua6NC0kEH4hJTnG7qX/cq/8A7cf/AOSSUjff1Mf9q7/+3H/+ 16.6, as a result of the intensive research carried out on a single-cylinder engine at BMW.16 This result was later scaled to the 12 cylinders case, for implementation in a demonstration vehicle. v2dk/wDlHg/9vj/ySSlfs7J/8o8H/t8f+SSUr9nZH/lHg/8Ab4/8kkp1Pq/i20ZVrrOnY+EDXAfR Because the forward pinion gear pins are mounted on the pinion carrier, which is itself attached to the output shaft, the output shaft will be driven clockwise at a reduced speed ratio of approximately 1.46. Throttling control (Fig. ADFJTp9OZ1/qeP8AacbOo2BxZ78YNMiOxb5pKbX7L+s//c/G/wDYdv8A5FJSv2X9Z/8Aufjf+w7f SEVEN OCEAN HYDRAULIC INDUSTRIAL CO., LTD. Solenoid Controlled Pilot Operated Valves, Pilot / Mechanically / Manually Operated Valves, NG6 Cetop-3 D03- Port P Throttle Check Valve Brochure, NG6 Cetop-3 D03- Port A and/or B Throttle Check Valve Brochure, NG10 Cetop-5 D05- Port P Throttle Check Valve Brochure, NG10 Cetop-5 D05- Port A and/or B Throttle Check Valve Brochure, NG16 Cetop-7 D07- Port A and/or B Throttle Check Valve Brochure. In this case, the volume of the inlet tank is kept much larger than that of the discharge tank. K+yt/eKSlfZW/vFJSvsrf3ikpX2Vv7xSUr7K394pKWdit2nUlJSE4nkkppZtuDhj9auZWf3Sfd/m Theoretical power density of a PFI H2 engine compared to stoichiometric gasoline operation as a function of relative air/fuel ratio or fuel/air equivalence ratio and charging strategy. The pressure drop produced at the nozzles of the turbine inlet and all subsequent fixed blades restricts the mass flow through the turbine and hence the power output. 1klPNZef9bWZVzMZmGaW2OFRe9odsBO3d+lGsJKQ/tH65/6PC/z2/wDpVJSv2j9c/wDR4X+e3/0q 9b43cadc-98ca-11dc-9b5e-d79d4f4c7dfb Check valves provide unidirectional flow, sealing against reverse flow, and are commonly used on the outlet side of a pump. This causes both external and internal gears on the forward gear set to revolve in the same direction at similar speeds so that the bridging planet gears become locked and the whole gear set therefore revolves together as one. /bx/8ikpX/NHA/7k5n/bx/8AIpKV/wA0cD/uTmf9vH/yKSkmN9WMPFyK8hmRlOdU4ODX2y0keIhJ In Equation 4-30, ex denotes the expander efficiency. 1 Figure6. However, for parallel flow path the reverse flow will be blocked if you are equipped with a check valve. Seven Ocean Hydraulics will continue to operate despite the threat of COVID-19. D+0Vt3ONtVUBjrCPVsbXIYyHOjdwElOXg/W6vLxfWdjPa8VPvBlrazW31yxznvfDC5lMlrvok7Sd Figure3. APn7pqSlfVP/AMSvRv8A034v/nmtJTrJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKUkp The expansion valve serves the purpose of controlling the refrigerant flow and of dropping the refrigerant from condenser to evaporator conditions, both in temperature and pressure. The principle additional items requiring up-front costs are the reinforcement of the last IP turbine blades to tolerate pressure and temperature variations at the IP/LP crossover, a tee and a flange for a suitably sized steam off-take to be connected.

0000016490 00000 n E. Chukanova, A. Kovacevic, in 8th International Conference on Compressors and their Systems, 2013. %PDF-1.4 % 28hJSH9sZ3/l/h/9tf8AmKSlftfP/wDL/D/7a/8AMUlK/a+f/wCX+H/21/5ikpX7Xz//AC/w/wDt QiMkFVLBYjM0coLRQwclklPw4fFjczUWorKDJkSTVGRFwqN0NhfSVeJl8rOEw9N14/NGJ5SkhbSV PRESSURES UP TO 15,000-PSI COMPATIBLE WITH MOST FLUIDS STAINLESS STEEL CONSTRUCTION CAPABLE OF RESISTING HIGH SHOCK LOADS CRACKING PRESSURE WITHIN 1-PSI TO 3-PSI SC Hydraulic Engineering inline check valves are designed for high shock loads using a ball check for positive sealing. It is meant for controlling flow in one direction in the system by throttle of flow and allows free flow in the opposite direction. In D range in second gear, both direct and forward clutches are engaged. Hydraulic Configuration - MTC - Throttle Check Valve, Single Acting on Port P. Hydraulic Configuration - MTC - Throttle Check Valve, Single or Double Acting on Port A and / or B. Compressors that act with suction pressure below atmospheric pressure, or use a suction throttle valve, can have a reference pressure less than atmospheric. The maximum achievable power output per unit of engine displacement can be increased by increasing the pressure in the intake manifold of the engine. W9j8q/L3kHdkP3lsDgJKbqSlJKUkpycn/wAVXTv/AE35/wD5+6akpX1T/wDEr0b/ANN+L/55rSU6 zcj6z/Vt31kwLx1bBNTMHNY+wZNW1rn24Ba0u3xJDHR8Ckp//9k= 10.7. MTC-02 single, acting port P; double, acting on Port A, B, or A and B. 0000246699 00000 n /wDxK9G/9N+L/wCea0lOskpH6j/U27DtgnfIiQTpEz2SUo3DgDcREtBbOpj95JTMGQCRE9j2SUsX At point B, the enthalpy of the saturated liquid is hLB, while the corresponding saturated vapor enthalpy is hVB. 0000020915 00000 n For example for the case of the closed valve pressure in the tank reaching 33bar in less than 2minutes and the temperature of the air increasing from 350K (77C) to 450K (177C) in just 10seconds.

default KSUpJSklKSUpJSklKSUpJS7BueB4pKeU619auoY+ZfgYlTKTU9zA94LnODTG5sw3VJTx13pVz65E 0000256557 00000 n The map is characterized by an island of peak performance between 4 and 6 bar indicated mean effective pressure (IMEP) with an indicated thermal efficiency (ITE) of 42%. Then a two tank model results were presented which enables to closed cycle systems.

72.00 NG6 / Cetop-3 / D03 Modular Stack Throttle Check Valve. NV2Y+k7Xnf5Hn70lJ/U/Q+vtMbd0JKfW/qn/AOJXo3/pvxf/ADzWkpv5X0B8UlNZJSklKSUpJSkl Hydraulic valves are reliable, sustainable, and cost effective, bringing you long-term value at an affordable price-point. Torque is then transmitted via the intermediate shaft to the forward planetary gear set which are then locked together by the engagement of the high and reverse clutch and the forward clutch. 3Gj/AMikpXqdK/8AL2r/ANxo/wDIpKV6nSv/AC9q/wDcaP8AyKSlep0r/wAvav8A3Gj/AMikp3sH JKUkpSSlJKUkpSSlJKUkpSSlJKUkpJR/PM/rBJTqJKUkpSSlJKUkpSSnJyf/ABVdO/8ATfn/APn7 em//ALg9F/7cb/5JJSvTf/3B6L/243/ySSlem/8A7g9F/wC3G/8AkklK9N//AHB6L/243/ySSlem For this application, a buffer gas system must be installed that will be designed to maintain the drainer pressure above atmospheric pressure at all times in order to allow the drainer to be drained. Q%44,4h4{Vbm$ KC17q(/nV9:#10031_ b5,*'\`0be0g8pOqR#A ^rH#1F/4#[@}_ rq adobe:docid:indd:22e0bf0b-98cd-11dc-9b5e-d79d4f4c7dfb M]6%oJ+yy_Q(o!HNqbNPwv6'q#@I

In Figure 17-4, point B is inside the envelope, where liquid and vapor coexist. Unlike the previous option, the extraction pressure is not controlled by a throttle valve but rather determined by the amount of steam extracted. plbiIJY0NMfIJKSJKUkpSSlJKUkpJR/PM/rBJTLJ+rvRsy9+Tk4rbLbNXOJcJgR2cPBJSP8A5qfV xref 72.00 interference fit, using molybdenum disulfide grease. /9j/4AAQSkZJRgABAgEASABIAAD/7QAsUGhvdG9zaG9wIDMuMAA4QklNA+0AAAAAABAASAAAAAEA 2007-11-20T07:59:18+01:00 d|. Efficiency map of a PFI hydrogen engine developed by BMW.16 (For color version of this figure, the reader is referred to the online version of this book. 2016-03-04T07:49:54+01:00 JT0X7Hf+z/2b6g3ens9SNJmeJSU+lfVP/wASvRv/AE34v/nmtJTfyvoD4pKfN+p3NHUssbsbS+z6 Note: The inner, high-pressure bushing was retained as is. converted Seven Ocean Hydraulics MTC-03 Single Acting on Port P Throttle Check Valve Brochure - MTC-03. 7m1fef7klK/5y9B/7m1fef7klNrC6jg9RD3YVzbhXAcWdp4/IkpspKUkpSSnJyf/ABVdO/8ATfn/ f/7C0/8ApNJSv+af1V/8pun/APsLT/6TSUr/AJp/VX/ym6f/AOwtP/pNJSv+af1V/wDKbp//ALC0 the axial thrust changes for single flow turbines, increased blade bending moments) and possibly also flow restrictions.

A more comprehensive analysis is given by Traupel [5] who showed that: where V represents the specific volume and n is the polytropic exponent, related to the efficiency and isentropic exponent k by: The Ellipse Law is a useful tool when modelling the effects of partial load on a turbine. (Similar gear trains are adopted by some ZF, Mercedes-Benz and Nissan transmissions) The epicyclic gear train is comprised of three planetary gear sets, an overdrive gear set, a forward gear set and a reverse gear set. HlW$ WYg-y Y,SU$d0_{o[8?~zK;xv:1Y>n/|^O9vquPYKU^[?j+0{``1Ncu@0q0u.02p- si`S2N1:Ri]A[FXhUkmcmLcN8Bz+ Bc&AX#LL66Ap#DtokW|zG0QDZ!E Y9?neA;Fz}7>IPa[xf &6{;GU}s4z. 0000022645 00000 n H d!>#,u/)w:ItA"Be\ 3>8(97n,8^ qu-0z]g*B(0[X8UENq2?Bf#*@c.

Figure 16.5 demonstrates that the same power output of the reference gasoline engine can be achieved with hydrogen if the intake pressure is boosted by 1 bar and a relative AFR of around two is used. Torque is then conveyed from the overdrive annular gear to the intermediate shaft where it passes through the applied forward clutch plates to the annular gear of the forward gear set. ;y~9?N^4%-I_\,eL)`?i)hZg&M]Uf+iS!*K9 MqD.L8UE#VtZ._Tl^6UY_b=gRPcxZgkVrrj{\N{}pfgqT\l e7f}u;g HWms|[ g2qKXv.thxDbY Eq^ze3NWt, 7ey&c'V&__H5ts&_'$:Z#Yrkk-''`uY4Wg3j'S4cY7jYj4(+6[MN\]vpaIrn60NT$$cy[lualrv^]K)M2Asf5+GU}D!dYu? Seven Ocean Hydraulics MTC-02 Single / Double on Port A and/or B Throttle Check Valve Brochure - MTC-02. The lower pressure, PB is determined by the desired refrigerant temperature TB (point B). SUu+vLDnuY2h24aFwIM6fS57BJTaSU5OT/4qunf+m/P/APP3TUlK+qf/AIlejf8Apvxf/PNaSnWS /tr/AMxSU6fQc7Jysmxl3U6M8NZIZSzYWmR7iYCSmhk9VzWZNrG9cxKg17gK3VSWgE+0+3skpH+1 From the diagrams in Figure3 it can be seen how the pressure and temperature change for different valve areas. With high specific speeds (nq>100, NSUSA>5000) this control is wasteful of energy because the power input to the pump rises when throttling is effected. Similar characteristics apply to the temperature: the less volume the faster temperature reaches its peak (400-420K) and the faster that it returns to its initial value of 350K. Figure4. Valve stem wear has been reduced and steam leaks at this location have been eradicated. Flow adjustment by handle knob or slotted screw. Available in 3 Mounting Patterns Fig. 2016-03-04T07:50+01:00 From: Compression Machinery for Oil and Gas, 2019, Sulzer Pumps, in Centrifugal Pump Handbook (Third Edition), 2010. 1uMgHVjjI5SU1f8Annnf9xMX/wBjaf8AySSlf8887/uJi/8AsbT/AOSSU9H0zLfnYNWXY1rHWgkt zP6wSU6iSlJKUkpSSlJKUkpycn/xVdO/9N+f/wCfumpKcv6s/wDib6T/AOEcb/z0xJTpJKUkpSSl of8AkUlK+zde/c6x/wCxQ/8AIpKdtv1ZvLQT1fqIJEkesdElL/8ANi7/AMuOo/8AbxSU6HTOnP6d endstream endobj 2 0 obj <> endobj 7 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/Properties<>>>/ExtGState<>>>/Type/Page>> endobj 57 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 198 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 234 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 264 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 307 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 376 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 397 0 obj <>/ProcSet[/PDF/Text]/ExtGState<>>>/Type/Page>> endobj 421 0 obj <>stream The lantern ring is now an integral part of the valve stem bushing. As a result, the output shaft, which is attached to the reverse annular gear, rotates counterclockwise, that is, in the reverse direction, to the input shaft at a reduction ratio of approximately 2.18:1. Adobe InDesign CC 2015 (Windows) The diagram in Figure4 confirms that whatever the starting pressure, it will reach a final value which is determined by the valve area. To avoid a reduction of the NPSHA, throttling is not admissible in the suction pipe. RJSQOBA7E9tP4JKZJKYh7du4kDSTrxpKSlwQdQZSUomCPMwkpZr2PAcxwcDqCDIKSmSSml1bOf0/ 70lK+043+lZ/nD+9JSvtON/pWf5w/vSUyZbVYYre1xHZpB/Ikp5vIz/rc3ItbQzDNQe4V7ntnaD7 Engine torque is transmitted through the locked overdrive gear set similarly to first gear. Dr. Breit Throttle Valves is highly recommended for regulating fluid supply in the steam gas or air to an engine. Pressure (left) and Temperature (right) in the tank for cases with different valve areas. The torque then passes from the forward planet carrier to the output shaft. Dr. Breit Throttle Valves are now available at Hydraulic Systems Pte Ltd. Throttle valves are best used in flow metering while adjusting the required flow of the needle valve. As a result, repacking each turbine's steam glands every 4 months was necessary. pr2Etc0vAII0IKSkuNnYeYXDFuZcWRu2OBifGElJ0lKSUpJSklKSUpJSklKSUpJSklKSUyq/nGpK In both cases a slight loss in IP cylinder efficiency occurs with capture, although this is likely to be within normal design variations. X9Wf/E30n/wjjf8AnpiSnSSU8zl/W3Ixsu7HbjscKbH1gknXaS2fwSUh/wCeeT/3Gr/zikpX/PPJ 0000019250 00000 n 0000020110 00000 n KVAPISUxNVTuWNPxASU5WRVUPrNgVBjQx2DnOc2BBc23p4aSPEbjHxSUy+qf/iV6N/6b8X/zzWkp 0000002437 00000 n This anticlockwise rotation of the sun gear causes the reverse planet gears to rotate clockwise.

256 10.7. False proof:pdf As a result, the overdrive annular gear will be forced to rotate clockwise but at a higher speed than the input overdrive carrier. 0000001839 00000 n The flow adjustment can be done by adjusting the hand knob or the set screw. A. Kayode Coker, in Ludwig's Applied Process Design for Chemical and Petrochemical Plants (Fourth Edition), 2015. A list of key components and abbreviations used are as follows: With the selector lever in D range, engine torque is transmitted to the overdrive pinion gears via the output shaft and pinion carrier. After condensation, the liquid refrigerant is stored in the liquid phase until needed. This is 4.2bar in all cases, as presented in Figure5. 0000005650 00000 n dH3JKVsZ+6PuSUsaq3AtcxpB5BAISUw+yYn+hr/zB/ckpkMbHHFTB/ZH9ySmQrrHDWj4AJKXgDgJ The throttle check function is available in port A or B as a single acting valve, double throttle controlling both port A and B, and available in size 02, 03 and 04. /Y1xhu4zA14CSmH/ADYt/wDLPK/zj/ekpX/Ni3/yzyv84/3pKV/zYt/8s8r/ADj/AHpKV/zZt/8A APIpKXZcx7tg3B0Ew5rm6CP3gPFJSRJSklKSUpJSklKSUpJSklKSUpJTk5P/AIqunf8Apvz/APz9 /wDpNJSv+af1V/8AKbp//sLT/wCk0lK/5p/VX/ym6f8A+wtP/pNJSv8Amn9Vf/Kbp/8A7C0/+k0l The output shaft drive via the reverse carrier therefore turns clockwise with no relative speed reduction to the input shaft, that is as a direct drive ratio 1:1. pqSnL+rP/ib6T/4Rxv8Az0xJToWEhummqSnHu666q19X2TKfscW7mskGDEjXhJTH/nC7/uFl/wCZ EhMTExIYFBIUFBQUEhQUGx4eHhsUJCcnJyckMjU1NTI7Ozs7Ozs7Ozs7AQ0LCxAOECIYGCIyKCEo Clutch and brake engagement sequence. JSv+af1V/wDKbp//ALC0/wDpNJSv+af1V/8AKbp//sLT/wCk0lK/5p/VX/ym6f8A+wtP/pNJSv8A MTC-04: NG16 / Cetop-7 / NFPA-D07 This system eliminates the losses in the valve when the plant operates at base load. (This unusual lifespan improvement was unexpected and is puzzling.) AQBIAAAAAQAB/+4AE0Fkb2JlAGQAAAAAAQUAAtH8/9sAhAAMCAgICAgMCAgMEAsLCxAUDg0NDhQY Once a certain engine power demand is exceeded, the operating strategy is switched to throttled stoichiometric operation. lJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKcnJ/8VXTv/Tfn/wDn7pqSlfVP/wASvRv/AE34v/nm Four speed and reverse epicycle gear set directional motion. Hence, to determine the amount of vapor formed in the expansion process [3], we proceed as follows. Seven Ocean Hydraulics MTC-03 Single / Double on Port A and/or B Throttle Check Valve Brochure - MTC-03. Based in Taiwan, SEVEN OCEAN HYDRAULIC INDUSTRIAL CO., LTD., since 1989, is a Modular Throttle Check Valve manufacturer in electrical machinery industries, including forklift, machine tool, plastic injection and recycling.

In the expansion step, the pressure and temperature are reduced by flashing the liquid through a control valve to pressure PB. ?dy*\vSLDY,5 AIqunf8Apvz/APz901JSvqn/AOJXo3/pvxf/ADzWkp1klPLZnVc2vMvrZ1zEpayx7RU6qXMAcRtJ Pressure (left) and Temperature (right) in the tank for cases with different starting pressure in the tank. 54 0 obj <> endobj 4/5rv/IpKXGZjuMNLiT2DHH/AL6kpl9or8H/APbb/wDyKSlfaK/B/wD22/8A8ikpX2ivwf8A9tv/ Seven Ocean Hydraulics MTC series valve is used for actuator speed control. %%EOF Copyright 2017 Hydraulic Systems Pte. /Kbp/wD7C0/+k0lK/wCaf1V/8pun/wDsLT/6TSUr/mn9Vf8Aym6f/wCwtP8A6TSUr/mn9Vf/ACm6

0tB7UlOZ1nM6FfmEUdRqwnVlzLWfYvV3PDjucXFiSmh6nSv/AC9q/wDcaP8AyKSlep0r/wAvav8A This load limit is largely the result of low intake charge density and partly the result of combustion limitations associated with abnormal combustion. Generally, sufficient accuracy is obtained by using the version given in Equation (1.2) where steam is the working fluid. AE35/wD5+6akpy/qz/4m+k/+Ecb/AM9MSU6SSlJKUkpSSlJKUkpSSlJKUkpSSlJKUkpSSlJKSUfz Operating the engine with ultralean mixtures also has the advantage of reducing the engine-out NOX emissions as shown in Fig. Subsequently, engine torque will be transmitted from the input shaft through the locked overdrive gear set through the locked forward gear set via the intermediate shaft to the reverse sun gear in a clockwise direction. Whilst the effect of pressure drop is useful in throttle valves for reducing load it is a restriction on the turbine itself. Throttling in Port P is also available in size 02 and 03. Recirculation of exhaust gases back to the intake of the engine is another way to reduce the power output for part-load operation without throttling. xmp.iid:91e4dd21-5382-bf47-bcc8-1aa7a9e1d9be The pressure in the discharge tank is doubled when the shaft speed is doubled. JPEG kpLi9Q+thyaRlNw20GxotLXtkMkbiP0p7JKeh+043+lZ/nD+9JSvtON/pWf5w/vSUr7Tjf6Vn+cP 0lOskpAc3HaS0uMgkH2u5Bg9klLfbsb94/5rv/IpKV9uxv3j/mu/8ikpX27G/eP+a7/yKSlfbsb9 Moreover, the flow conditions in the pump deteriorate at low flow rates, causing uneven running. It can be seen from the diagrams in Figure4 that for a given throttle valve area, the final discharge pressure will be the same for different tank volumes. Table 5.1 simplifies the clutch and brake engagement sequence for each gear ratio. Copyright 2022 Elsevier B.V. or its licensors or contributors.