Now showing items 217-236 of 341

  • Performance evaluation of irreversible stirling and ericsson heat pump cycles 

    Kaushik, Subhash Chandra; Tyagi, Sudhir Kumar; Bose, Shuvendu Kumar; Singhal, Mahendra Kumar (2002)
    This communication presents the performance evaluation of irreversible Stirling and Ericsson Heat Pumps Cycles including external and internal irreversibilities along with finite heat capacities of external reservoirs. The ...
  • Performance of a low cost solar paraboloidal dish steam generating system 

    Kaushika, N D; Reddy, K S (2000)
    This paper presents the design, development and performance characteristics of a low cost solar steam generating system which incorporates recent design and materials innovations of parabolic dish technology. The concentrator ...
  • Performance of a reverse flat plate absorber cabinet dryer:a new concept 

    Goyal, R K; Tiwari, G N (1999)
    The reverse flat plate absorber is a non-concentrating collector which can collect solar energy at high temperature, unlike conventional non-concentrating collectors. In this paper, the concept of a reverse flat plate ...
  • Performance of Indian power sector during a decade under restructuring: a critique 

    Sharma, D Parameswara; Chandramohanan Nair, P S; Balasubramanian, R (2005)
    The Indian power sector has been facing serious functional problems during the past few decades. In order to re-vitalise the sector and to improve its techno-economic performance, Government of India has initiated restructuring ...
  • Performance of thermal evaluation of multi-effect distillation system 

    Singh, A K; Tiwari, G N (1992)
    In this communication, a simple thermal analysis of a multi-effect distillation system has been presented in terms of climatic and system parameters. Numerical computations have been carried out for a typical day of Delhi. ...
  • Performance of thermal evaluation of multieffect distillation system 

    Singh, A K; Tiwari, G N (1992)
    In this communication, a simple thermal analysis of a multi-effect distillation system has been presented in terms of climatic and system parameters. Numerical computations have been carried out for a typical day of Delhi. ...
  • Performance prediction for a triangular built-in-storage-type solar water heater with transparent insulation 

    Prakash, J; Kaushik, S C; R Kumar; Garg, H P (1994)
    In this paper, the design of a triangular built-in storage-type solar water heater with transparent insulation on the top and sides is studied under various operating conditions. The transient performance of the system is ...
  • Performance prediction of a hybrid air-to-water solar heater 

    Garg, H P; Choudhury, C; Jha, Ranjana; Zaidi, Z H (1992)
    The performance parameters of a hybrid air-to-water solar heater has been presented in this paper for a cold climatic region in India. A conventional solar air heater in conjunction with an air-to-water heat exchanger of ...
  • Performance prediction of a solar heated house 

    Jha, R K; Choudhury, C; Garg, H P; Zaidi, Z H. (1992)
    This communication presents the performance parameters of a solar house integrated with an air heater on its south wall for space heating applications. A periodic approach has been adopted by writing the time dependent ...
  • Performance prediction of a solar timber kiln 

    Garg, H P; Prakash, Jai; Hrishikesan, D S (1993)
    A mathematical model of a solar timber kiln is developed by writing the energy balance equations at its different nodes. Empirical relations relating the drying time and percentage moisture content as a function of the ...
  • Performance prediction of proposed Indian MHD retrofit channel 

    Chandra, A; Bhadoria, B S (1994)
    A mathematical model for the channel analysis of MHD generators based on nonlinear fluid dynamics and Maxwell's equations has been presented. The fluid properties of the seeded combustion products of coal burnt with oxygen ...
  • Performance Studies of a Passively Cooled Mahal 

    Tiwari, G N; Lugani, N; Singh, A K; Garg, H P (1995)
    The design and performance of an ancient passively cooled mahal (building) have been presented. The mahal was generally used for pilgrims during their visit to the city of Banaras. Energy balance equations for different ...
  • Performance studies of earth air tunnel cum greenhouse technology 

    Tiwari, G N; Sutar, R F; Singh, H N; Goyal, R K (1998)
    We present performance studies of an earth air tunnel cum greenhouse technology in terms of instantaneous thermal efficiency. Analytical expressions have been obtained for heating/cooling conditions of a greenhouse. The ...
  • Performance study of double effect distillation in a multiwick solar still 

    Singh, A K; Tiwari, G N (1992)
    A thermal analysis of a double effect multiwick solar still has been presented by incorporating design and climatic parameters. Analytical expressions for the temperatures of water and glass and thermal efficiency have ...
  • Performance testing and evaluation of solid absorption solar cooling unit 

    Bansal, N K; Blumenberg, J; Kavasch, H J; Roettinger, T (1997)
    Based on solid-vapour intermitten absorption system, DORNIER a German firm designed and fabricated a solar cooling unit, which utilizes thermal energy supplied by heat pipe vacuum tube solar collectors through thermosyphonic ...
  • Potential of fly ash utilisation in India 

    Bhattacharjee, Ujjwal; Kandpal, Tara Chandra (2002)
    A simple framework for the estimation of fly ash utilisation potential in India is presented. It also enables estimation of associated resource savings. Results of some typical calculations are presented and described briefly.
  • Power factor measurement and correction techniques 

    Kumar, C S Prasama; Subberwal, S P; Mukherji, A K (1995)
    The prevailing method of power factor measurement is debatable. Certain methods are suggested in this paper with hints to improve power factor measurement and correction.
  • Preliminary study of water boiling test procedures used for performance evaluation of fuelwood cookstoves 

    Rani, C S; Kandpal, T C; Mullick, S C (1992)
    A critique of the water boiling test procedures developed over the last decade for fuelwood cookstoves is presented. Results of some preliminary tests conducted on single- and double-wall fuelwood cookstoves are presented, ...
  • Present status of solar distillation 

    Tiwari, G N; Singh, H N; Tripathi, Rajesh (2003)
    In this communication an attempt has been made to review, in brief, work on solar distillation, its present status in the world today and its future perspective. The review also includes water sources, water demand, ...
  • Production costing and economic analysis of power system containing wind energy conversion systems 

    Tripathy, S C; Lakshmi, S R; Balasubramanian, R (1998)
    Electrical energy can be generated by various sources, namely conventional sources, such as nuclear, coal, diesel, etc. and non-conventional sources, such as wind, tidal, solar energy, etc. Presently, there is a great deal ...