Stroke of engine 2
Analytical study to minimize the engine exhaust emissions and safe knock limit of CNG powered four-stroke SI engine
... related to the compression ratio, and engine knock occurs more easily if the compression ratio is increased In order to fully understand the knock phenomenon and to find possible way to avoid knock ... fuel and engine design The present work involves a theoretical approach to develop a computational model of combustion in SI engine in order to understand auto-ignition mechanism including knock ... variation, and exhaust emission concentration along the exhaust pipes In the cylinder domain, which takes into account the various type of processes occurring inside the engine cylinder e.g compression,...
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Báo cáo y học: "Lifetime health effects and medical costs of integrated stroke services - a non-randomized controlled cluster-trial based life table approach"
... the characteristics of the EDISSE study population Disability-stratified stroke life- table A life- table approach was applied to extrapolate the trial findings and to arrive at estimates of lifetime ... 3% and 0% discounting rates for both costs and health effects Results Lifetime costs and health effects Table presents the average (half) yearly costs and the EuroQoL-5 D score at discharge and ... proportional hazards analysis of 4219 patients Stroke 1986, 17:29 4-2 99 doi:10.1186/147 8-7 54 7-8 -2 1 Cite this article as: Baeten et al.: Lifetime health effects and medical costs of integrated stroke services...
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Báo cáo y học: "Comparison between single antiplatelet therapy and combination of antiplatelet and anticoagulation therapy for secondary prevention in ischemic stroke patients with antiphospholipid syndrome"
... focused on the secondary prevention of stroke with APS, and compared single antiplatelet therapy and a combination of antiplatelet and anticoagulation therapy in ischemic stroke patients with APS The ... Int J Med Sci 2010, with APS We therefore compared single antiplatelet therapy and a combination of antiplatelet and anticoagulation therapy for secondary prevention in ischemic stroke patients ... combination of antiplatelet and anticoagulation therapy may be more effective than single antiplatelet therapy for secondary prevention in ischemic stroke patients with APS 18 Conflict of Interest...
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Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine
... investigating the relationship between percentage of unsaturation, maximum heat release rate and peak pressure for karanjia biodiesel Biodiesel of karanjia has a lower percentage of unsaturation and ... relatively higher in mahua biodiesel than that of biodiesel of palm In addition to unsaturation, ignition delay increases with fuel density and iodine value The effect of unsaturation on ignition ... and exhaust gas temperature was observed in case of high unsaturated biodiesel Heat release rate and cumulative heat release rate is lower in case of high- unsaturated biodiesel fuel A general...
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Ecological performance of a generalized irreversible Carnot heat engine with complex heat transfer law
... results of irreversible Carnot heat engine with linear phenomenological heat transfer law [54, 57] If n = , they are the results of irreversible Carnot heat engine with radiative heat transfer law ... optimal ecological performance of the Carnot heat engine with heat resistance and heat leakage ( m ≠ 0, n ≠ 0, q > 0, Φ = ), and optimal ecological performance of the irreversible Carnot heat engine ... [51] Carnot heat engines by using a complex heat transfer law, including generalized convective heat transfer law [ Q ∝ (∆T )n ][18, 39-41, 47, 48] and generalized radiative heat transfer law [...
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Performance characteristic of energy selective electron (ESE) heat engine with filter heat conduction
... 40] are obtained with out considering the heat conduction of the filter due to the propagation of phonons So far, the optimum performance of the ESE heat engine with filter heat conduction via ... heat engine model with heat conduction of the energy filter via phonons, and to analyze the optimum performance of the model as well as the influence of the heat conduction of the filter The general ... intermediate operation regime with ∆E k B = 2.0 K Conclusions A model of an energy selective electron (ESE) heat engine with filter heat conduction via the propagation of phonons is proposed in...
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Hamilton–Jacobi–Bellman equations and dynamic programming for power-optimization of radiative law multistage heat engine system
... 100 of heat engines are shown with the step of in Figures 7-9 Table lists optimization results of the key parameters of the multistage endoreversible heat engine system with the radiative heat ... Wi of each stage heat engine versus the stage i for Newtonian heat transfer law (fixed T1 f ) Table Optimization results of the key parameters of the multistage endoreversible heat engine system ... the power output of each stage heat engine for the radiative heat transfer law is smaller than that for the pseudo-Newtonian heat transfer law This shows that heat transfer laws have significant...
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Finite time exergoeconomic performance optimization of a thermoacoustic heat engine
... Ceperly P H Gain and efficiency of a traveling wave heat engine J Acoust.Soc Am., 1982, 7(3): 1239-1243 [3] Yazaki T, Iwata A, mackawa T and Tominaga A Traveling wave thermoacoustic engine in a looped ... / F1 and FT = F1 + F2 Here, the total heat transfer surface area FT of the two heat exchangers is assumed to be a constant (3) There is a constant rate of heat leakage ( q ) from the heat source ... i is a complex heat transfer exponent, k1 is the overall heat transfer coefficient and F1 is the total heat transfer surface area of the hot-side heat exchanger, k2 is the overall heat transfer...
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The effect of EGR rates on NOX and smoke emissions of an IDI diesel engine fuelled with Jatropha biodiesel blends
... reduction in NOX emission and increase in smoke, CO and HC emissions [3-5] Pradeep & Sharma [3] investigated the effects of hot EGR along with JB100 (100% Jatropha biodiesel) on engine performance and ... CO and unburned HC emissions The aim of the current study is to investigate the effect of EGR on performance parameters and exhaust emissions of an indirect injection (IDI) diesel engine fuelled ... discussion The results and discussion based on the effect of EGR rates on engine performance and emission characteristics of JB5, JB20 and DF, compared to DF without EGR (baseline) The engine...
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A computational study to investigate the effects of insulation and EGR in a diesel engine
... of insulation of an IDI diesel engine The indicated power increased at the adiabatic case 30% and 22.5% in part and full loads respectively Although in the EGR applying case, performance characteristics ... also worked as a Professor and Head of department in the Department of Mechanical Engineering, Vidya Vikas Institute of Technology, Andhra Pradesh, India He has 14 years of teaching and research ... [29] Arash Nemati, Shahram Khalilarya, Samad Jafarmadar, Hassan Khatamnejhad, Vahid Fathi Numerical parametric investigation of a gasoline fuelled partially-premixed compression-ignition engine International...
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An experimental investigation of performance and exhaust emission of a diesel engine fuelled with Jatropha biodiesel and its blends
... supply large volume of biodiesel, in fact, nearly half a dozen states of India have reserve a total of 1.72 million hectares of land for Jatropha cultivation and small quantities of Jatropha biodiesel ... some unreacted remainder of methanol and catalyst which if not removed can react and damage storing and fuel carrying parts During washing ester present react with water and can form soap Two to ... Figure shows Jatropha plant in Energy park of Rajiv Gandhi Proudyogiki Vishwavidyalaya (R.G.P.V.) Jatropha plant bears fruits from second year of its plantation and the economic yield stabilizes...
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Theoretical modeling of combustion characteristics and performance parameters of biodiesel in DI diesel engine with variable compression ratio
... S.K Bhatti, Effect of soybean oil biofuel blending on the performance and emissions of diesel engine using diesel- rk software, International journal of engineering science and technology, 4539-4555, ... TDC than diesel fuel The pressure of cylinder for both diesel and biodiesel comes into agreement with the results obtained by Diesel- rk software [7] 100 Diesel 80 Present Simulation Cylinder Pressure, ... up with 1.47% in the results of Diesel- rk 120 Diesel, Present Simulation Diesel ,Diesel- rk simulation Maximum Pressure, bar Biodiesel (B20%SME) Present Simulation 100 Biodiesel (B20%SME) Diesel- rk...
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Effect of injection timing on combustion and performance of a direct injection diesel engine running on Jatropha methyl ester
... Jindal, B.P Nandwana, N.S Rathore and V Vashistha Experimental investigation of the effect of compression ratio and injection pressure in a direct injection diesel engine running on Jatropha methyl ... pp 343-350 D Agarwal and A. K Agarwal Performance and emissions characteristics of Jatropha oil (preheated and blends) in a direct injection compression ignition engine Applied Thermal Eng 27 (2007) ... overall effects of injection timing on combustion, engine performance and emissions are discussed in this section 3.1 Effect on brake thermal efficiency The effect of injection timing on engine performance...
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Optimization of injection timing and injection pressure of a DI diesel engine fueled with preheated rice bran oil
... operation shows a higher and with rice bran oil shows a lower efficiency as compared to the rest of the fuels The magnitude of the preheated rice bran oil falls between rice bran oil and rice bran ... Deepak Agarwal, Avinash Kumar Agarwal, Performance and emissions characteristics of Jatropha oil (preheated and blends) in a direct injection compression ignition engine, Applied Thermal Engineering ... rice bran vegetable oil called rice bran oil methyl ester respectively The performance and emission parameters were measured at different loads Finally, the rice bran vegetable oil was preheated...
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Từ khóa: Nghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDETrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Thiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM