Turbojet Awarded Tender to Operate Cross-Boundary Services at Tuen
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Interchange from NWFB and Citybus to Turbojet Save Ferry Fare up to $30 and Enjoy an Exclusive Seat Class Upgrade with $50
Interchange from NWFB and Citybus to TurboJET Save Ferry Fare Up to $30 and Enjoy an Exclusive Seat Class Upgrade with $50 (17 May 2019, Hong Kong) New World First Bus (“NWFB”) and Citybus announced a collaboration with TurboJET today to launch “One tap to board with Octopus” interchange discount scheme. From now to 31 December 2019, Octopus paying passengers of NWFB and Citybus routes can enjoy an interchange discount equivalent to bus fare of the last single trip, when using the “One Tap to Board with Octopus” service to pay their ferry fare at the first gate of ferry terminal to Macau at Hong Kong Macau Ferry Terminal in Sheung Wan, Tuen Mun Ferry Terminal and China Hong Kong City Ferry Terminal. The maximum discount is $30. In addition, passengers of NWFB and Citybus can at the same time enjoy an exclusive offer by TurboJET for seat class upgrade with $50 using “One Tap to Board with Octopus” service. Please visit http://www.turbojet.com.hk/en/promotions/octopus-tj-discount.aspx for *terms and conditions. – END – *Terms and conditions 1. The offer is valid from now until 31 December 2019, provided by TurboJET. 2. Interchange must take place within 120 minutes after the bus fare payment and the use of “One Tap to Board with Octopus” service at designated Ferry Terminals; same Octopus has to be used in order to enjoy the offer. 3. The interchange discount is equivalent to the bus fare of the last paid trip, to be directly deducted from the ferry fare during the use of “One Tap to Board with Octopus” service. -
Experience Lingnan University, Located in Tuen
e r X p i e E n c e Index e l c X Explore Hong Kong 1 E Experience 2 Excel @ 10 E X p l o r e Fast facts 11 L ingn an U ST nive ART rs HE ity RE! L ingn an U ST nive ART rs HE ity RE! Welcome to Hong Kong Experience Lingnan University, located in Tuen Mun, offers a stimulating and thought-provoking liberal arts education. We are the only university in Hong Kong to offer a dedicated liberal arts education. Our goal is to cultivate in our graduates the skills and sensibilities necessary to successfully pursue their career goals and take their place as socially responsible citizens in today’s rapidly evolving global environment. Lively and outward-looking, the university is located on an award-winning campus that visually represents our East-West orientation. Courses are offered by 16 departments in the Faculties of Arts, Business and Social Sciences, the Core Curriculum and General Education Explore Office and two language centres. Hong Kong Mission and vision Lingnan University is committed to the provision of quality education The geographical position of Hong Kong, a vibrant world city situated at the mouth of distinguished by the best liberal arts the Pearl River Delta on the coast of southern China, has made it a gateway between traditions. We adopt a whole-person East and West, turning it into one of the world’s most cosmopolitan metropolises. approach to education that enables our students to think, judge, care Bi-literacy and tri-lingualism thrive in Hong Kong. -
Comparison of Helicopter Turboshaft Engines
Comparison of Helicopter Turboshaft Engines John Schenderlein1, and Tyler Clayton2 University of Colorado, Boulder, CO, 80304 Although they garnish less attention than their flashy jet cousins, turboshaft engines hold a specialized niche in the aviation industry. Built to be compact, efficient, and powerful, turboshafts have made modern helicopters and the feats they accomplish possible. First implemented in the 1950s, turboshaft geometry has gone largely unchanged, but advances in materials and axial flow technology have continued to drive higher power and efficiency from today's turboshafts. Similarly to the turbojet and fan industry, there are only a handful of big players in the market. The usual suspects - Pratt & Whitney, General Electric, and Rolls-Royce - have taken over most of the industry, but lesser known companies like Lycoming and Turbomeca still hold a footing in the Turboshaft world. Nomenclature shp = Shaft Horsepower SFC = Specific Fuel Consumption FPT = Free Power Turbine HPT = High Power Turbine Introduction & Background Turboshaft engines are very similar to a turboprop engine; in fact many turboshaft engines were created by modifying existing turboprop engines to fit the needs of the rotorcraft they propel. The most common use of turboshaft engines is in scenarios where high power and reliability are required within a small envelope of requirements for size and weight. Most helicopter, marine, and auxiliary power units applications take advantage of turboshaft configurations. In fact, the turboshaft plays a workhorse role in the aviation industry as much as it is does for industrial power generation. While conventional turbine jet propulsion is achieved through thrust generated by a hot and fast exhaust stream, turboshaft engines creates shaft power that drives one or more rotors on the vehicle. -
Contents Issue No. 6 March 2004 Feature Article
1 Issue No. 6 March 2004 Feature Article Contents Migration and overwintering page Feature Article: aggregation of Danaid butterflies in Migration and overwintering Hong Kong aggregation of Danaid butterflies in Hong Kong 1 Eric WONG, PC LEUNG, Phoebe SZE, Alfred WONG Butterfly Working Group Article Review: Endemic Bird Species of China and Their Distribution 7 漁農自然護理署於 2002 年年底，在香港斑蝶越冬的主要停留地點 進行了「重複捕取」實驗，以了解越冬斑蝶的遷移路線及小冷水越冬群 Working Group Column: 落的族群動態。本文闡述實驗的主要結果並附討論。 Kandelia obovata (Rhizophoraceae), a new name for the Kandelia Introduction in Hong Kong Danaids (Family Danaidae 斑蝶科) are the only group of 秋茄樹（紅樹科）的新學名 8 butterflies that may aggregate in large numbers to survive over the cold winter at their adult stage. This peculiar behaviour of butterflies Summer Breeding and is usually referred as overwintering aggregation and has attracted Winter Night Roosting Sites the interest of the public and naturalists particularly in the US, of Egrets in Hong Kong 2003 10 Canada, Australia, India and Taiwan. The Monarch (Danaus plexippus 君主斑蝶) in the US and Mexico is the most well studied Preliminary Results of Trial example of overwintering butterflies (Knight et al. 1999). In Taiwan, Contraceptive Treatment with SpayVacTM on Wild Monkeys more than ten active overwintering sites have been documented in Hong Kong 13 whose numbers of butterflies range from hundreds to hundred thousands (Lee and Wang, 1997). Contribution to the Hong Kong Biodiversity Do you have any views, findings and observations to share with your colleagues on the Biodiversity Survey programme? Please prepare your articles in MS Word format and send as attachment files by email to the Article Editor. -
China's Pearl River Delta Escorted Tour
3rd - 13th October 2016 China’s Pearl River Delta Come and explore the amazing sites of China’s Pearl River Delta region on this tour that is the perfect blend Escorted Tour of historic and modern day China. Incorporating the destinations of Hong Kong, Guangzhou, Shenzhen, per person Twin Share Zhuhai and Macau you will experience incredible shopping, amazing scenery, historic sites and $4,995 ex BNE monuments, divine cuisine and possibly a win at the Single Supplement gaming tables! This is China like you have never $1,200 ex BNE seen it before!! BOOK YOUR TRAVEL INCLUSIONSINSURANCE WITH GO SEE Return EconomyTOURIN AirfaresG and Taxes ex Brisbane & RECEIVE A 25% 3 Nights in HongDISCOUNT Kong 3 Nights in Guangzhou 3 Nights in Macau 9 x Breakfasts 6 x lunches Book your Travel Insurance 7 x Dinners with Go See Touring All touring and entrance& fees receiv eas a 25% discount outlined in the itinerary China Entry Visa Gratuities for the driver and guide Train from Hong Kong to Guangzhou Turbojet Sea Express ferry from Macau to Hong Kong TERMS & CONDITIONS: * Prices are per person twin share in AUD. Single supplement applies. Deposit of $500.00 per person is required within 3 days of booking (unless by prior arrangement with Go See Touring), balance due by 03rd August 2016. For full terms & conditions refer to our website. Go See Touring Pty Ltd T/A Go See Touring Member of Helloworld QLD Lic No: 3198772 ABN: 72 122 522 276 1300 551 997 www.goseetouring.com Day 1 - Tuesday 04 October 2016 (L, D) Depart BNE 12:50AM Arrive HKG 7:35AM Welcome to Hong Kong!!!! After arrival enjoy a delicious Dim Sum lunch followed by an afternoon exploring the wonders of Kowloon. -
2. Afterburners
2. AFTERBURNERS 2.1 Introduction The simple gas turbine cycle can be designed to have good performance characteristics at a particular operating or design point. However, a particu lar engine does not have the capability of producing a good performance for large ranges of thrust, an inflexibility that can lead to problems when the flight program for a particular vehicle is considered. For example, many airplanes require a larger thrust during takeoff and acceleration than they do at a cruise condition. Thus, if the engine is sized for takeoff and has its design point at this condition, the engine will be too large at cruise. The vehicle performance will be penalized at cruise for the poor off-design point operation of the engine components and for the larger weight of the engine. Similar problems arise when supersonic cruise vehicles are considered. The afterburning gas turbine cycle was an early attempt to avoid some of these problems. Afterburners or augmentation devices were first added to aircraft gas turbine engines to increase their thrust during takeoff or brief periods of acceleration and supersonic flight. The devices make use of the fact that, in a gas turbine engine, the maximum gas temperature at the turbine inlet is limited by structural considerations to values less than half the adiabatic flame temperature at the stoichiometric fuel-air ratio. As a result, the gas leaving the turbine contains most of its original concentration of oxygen. This oxygen can be burned with additional fuel in a secondary combustion chamber located downstream of the turbine where temperature constraints are relaxed. -
Helicopter Turboshafts
Helicopter Turboshafts Luke Stuyvenberg University of Colorado at Boulder Department of Aerospace Engineering The application of gas turbine engines in helicopters is discussed. The work- ings of turboshafts and the history of their use in helicopters is briefly described. Ideal cycle analyses of the Boeing 502-14 and of the General Electric T64 turboshaft engine are performed. I. Introduction to Turboshafts Turboshafts are an adaptation of gas turbine technology in which the principle output is shaft power from the expansion of hot gas through the turbine, rather than thrust from the exhaust of these gases. They have found a wide variety of applications ranging from air compression to auxiliary power generation to racing boat propulsion and more. This paper, however, will focus primarily on the application of turboshaft technology to providing main power for helicopters, to achieve extended vertical flight. II. Relationship to Turbojets As a variation of the gas turbine, turboshafts are very similar to turbojets. The operating principle is identical: atmospheric gases are ingested at the inlet, compressed, mixed with fuel and combusted, then expanded through a turbine which powers the compressor. There are two key diferences which separate turboshafts from turbojets, however. Figure 1. Basic Turboshaft Operation Note the absence of a mechanical connection between the HPT and LPT. An ideal turboshaft extracts with the HPT only the power necessary to turn the compressor, and with the LPT all remaining power from the expansion process. 1 of 10 American Institute of Aeronautics and Astronautics A. Emphasis on Shaft Power Unlike turbojets, the primary purpose of which is to produce thrust from the expanded gases, turboshafts are intended to extract shaft horsepower (shp). -
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A Study on the Stall Detection of an Axial Compressor Through Pressure Analysis
applied sciences Article A Study on the Stall Detection of an Axial Compressor through Pressure Analysis Haoying Chen 1,† ID , Fengyong Sun 2,†, Haibo Zhang 2,* and Wei Luo 1,† 1 Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing 210016, China; [email protected] (H.C.); [email protected] (W.L.) 2 AVIC Aero-engine Control System Institute, No. 792 Liangxi Road, Wuxi 214000, China; [email protected] * Correspondence: [email protected] † These authors contributed equally to this work. Received: 5 June 2017; Accepted: 22 July 2017; Published: 28 July 2017 Abstract: In order to research the inherent working laws of compressors nearing stall state, a series of compressor experiments are conducted. With the help of fast Fourier transform, the amplitude–frequency characteristics of pressures at the compressor inlet, outlet and blade tip region outlet are analyzed. Meanwhile, devices imitating inlet distortion were applied in the compressor inlet distortion disturbance. The experimental results indicated that compressor blade tip region pressure showed a better performance than the compressor’s inlet and outlet pressures in regards to describing compressor characteristics. What’s more, compressor inlet distortion always disturbed the compressor pressure characteristics. Whether with inlet distortion or not, the pressure characteristics of pressure periodicity and amplitude frequency could always be maintained in compressor blade tip pressure. For the sake of compressor real-time stall detection application, a compressor stall detection algorithm is proposed to calculate the compressor pressure correlation coefficient. The algorithm also showed a good monotonicity in describing the relationship between the compressor surge margin and the pressure correlation coefficient. -
Tai Lam Country Park MTR 3 Station 2
Port V city To Shenzhen Bay 6 Tuen Mun Tmtplaza Tai Lam Country Park MTR 3 Station 2 Tuen Mun Tuen Mun Park Town Town Hall Centre Light Rail Stop 2 Tai Lam Chung Reservoir 5 1 2 Sam Shing Light Rail Stop MacLehose Trail Chu Hai Harrow Section 10 Tuen Mun 3 Tuen Mun 5 College of International School Public Riding 5 Typhoon Shelter Higher Education Hong Kong School 3 4 The Jockey Club Hong Kong Aegean Coast So KwunRoad Wat Tuen Mun Butterfly Beach 3 Gold Coast Shopping Sports Centre 4 Kwun Tsing 6 Hotel Arcade 4 2 Road Kwun RdChui Waterfront Podium Garden 1 Hong Kong Gold Castle Peak Bay Coast Piazza Tuen Mun Ferry Pier Gold Coast Yacht & Tuen Mun Road Country Club 1 Castle Peak Road 1 Hong Kong Maritime Service Training Institute To Tsuen Wan Tuen Mun Road 1 Tsing Lung Garden 1 Golden Beach 1 Lok On Pai Siu Lam Flea Market 1 Tuen Mun Swimming Pool Interchange 2 Wu Shan Riverside Park 2 Cafeteria New Beach 2 Tuen Mun Trend Plaza 2 Tuen Mun Golf Centre 3 Wu Shan Recreation Playground 3 Cafeteria Old Beach 3 Waldorf Plaza 3 Wu Shan Tennis Courts 4 Butterfly Beach Park 4 Kadoorie Beach 4 Wu Shan Bowling Green 5 Adventure Park 5 Castle Peak Beach 5 Tuen Mun Recreation And Sports Centre Archery Cum Gateball Court 6 Yeung Siu Hang Garden 6 Butterfly Beach The above route map and map are not drawn to scale. They are simplied and edited with computerized effects and are not for the purpose of showing the Development, its surrounding environment, landscape, layout, streets, routes, location of the stations, buildings, facilities and the location of the relevant areas. -
Ferry Service to Shenzhen
IEEE 802.16 WG Session # 31 at Shenzhen Access to Crowne Plaza Shenzhen from Hong Kong International Airport via High-Speed Ferry Service High speed ferry service is also available between Hong Kong International Airport (HKIA) and Shekou Harbor. Ferry services are operated by HKIA Ferry Terminal Services Ltd and operated between Hong Kong International Airport and major cities in the Pearl River Delta. At the SkyPier, located inside the Hong Kong International Airport, passengers can take the Ferry Services to the Shenzhen Shekou Harbor. With ferry services, you avoid the hassle of going through the immigration procedures at the Airport and the the baggage is delivered straight at the Shenzhen Shekou Harbor. It is about 30 minutes ride between the HKIA and Shekou Harbor. From Shekou harbour to Crowne Plaza Shenzhen, it’s about 20km . You would need to take a taxi from the harbor to the hotel. The taxi charge is about RMB50. (Please pay according to the taxi charge meter.) Ferry Sailing schedule: Hong Kong International Airport fl‡ Shenzhen Shekou Harbour From HK International Airport From Shenzhen Shekou Harbour to Shenzhen Shekou Harbour to HK International Airport 900 745 1015 845 1100 1000 1215 1115 1430 1330 1520 1440 1715 1610 1900 1800 l The time table on the web page may not be updated. The information above is more current. l If the airlines you want to take are not listed below, you CAN’T take the ferry from Shenzhen Shekou Harbour to HKIA due to the customs regulation. Airlines participating in Skypier Operation (as of February -
Introduction to Turboprop Engine Types
INTRODUCTION TO TURBOPROP ENGINE TYPES The turbopropeller engine consists of a gas turbine engine driving a propeller. Most of the energy of the gas flow (air and burned fuel) is used to drive the propeller and compressor. The remaining energy, in the form of differential velocity of the airflow exiting the turbine, provides a small amount of residual thrust (effectively, a small amount of jet propulsion). Additional information on the specifics of the gas turbine cycle is provided elsewhere in this training package. There are two basic types of turboprop engines: 1. Single shaft 2. Free turbine The main difference between single shaft and free turbines is in the transmission of the power to the propeller. In the majority of turboprops, the fuel pump is driven by the engine. This is known as "direct drive.” In some older types of engines, the fuel pump is driven by the propeller, which can affect proper response to an engine failure. Refer to type-specific procedures. Single Shaft. In a single-shaft engine, the propeller is driven by the same shaft (spool) that drives the compressor. Because the propeller needs to rotate at a lower RPM than the turbine, a reduction gearbox reduces the engine shaft rotational speed to accommodate the propeller through the propeller drive shaft. Free Turbine. In a free-turbine engine, the propeller is driven by a dedicated turbine. A different turbine drives the compressor; this turbine and its compressor run at near-constant RPM regardless of the propeller pitch and speed. Because the propeller needs to rotate at lower RPM than the turbine, a reduction gearbox converts the turbine RPM to an appropriate level for the propeller.